diff --git a/intergration/radon-test/r/show_char.result b/intergration/radon-test/r/show_char.result
new file mode 100644
index 00000000..574b3ef0
--- /dev/null
+++ b/intergration/radon-test/r/show_char.result
@@ -0,0 +1,268 @@
+show collation;
+Collation	Charset	Id	Default	Compiled	Sortlen
+big5_chinese_ci	big5	1	Yes	Yes	1
+big5_bin	big5	84		Yes	1
+dec8_swedish_ci	dec8	3	Yes	Yes	1
+dec8_bin	dec8	69		Yes	1
+cp850_general_ci	cp850	4	Yes	Yes	1
+cp850_bin	cp850	80		Yes	1
+hp8_english_ci	hp8	6	Yes	Yes	1
+hp8_bin	hp8	72		Yes	1
+koi8r_general_ci	koi8r	7	Yes	Yes	1
+koi8r_bin	koi8r	74		Yes	1
+latin1_german1_ci	latin1	5		Yes	1
+latin1_swedish_ci	latin1	8	Yes	Yes	1
+latin1_danish_ci	latin1	15		Yes	1
+latin1_german2_ci	latin1	31		Yes	2
+latin1_bin	latin1	47		Yes	1
+latin1_general_ci	latin1	48		Yes	1
+latin1_general_cs	latin1	49		Yes	1
+latin1_spanish_ci	latin1	94		Yes	1
+latin2_czech_cs	latin2	2		Yes	4
+latin2_general_ci	latin2	9	Yes	Yes	1
+latin2_hungarian_ci	latin2	21		Yes	1
+latin2_croatian_ci	latin2	27		Yes	1
+latin2_bin	latin2	77		Yes	1
+swe7_swedish_ci	swe7	10	Yes	Yes	1
+swe7_bin	swe7	82		Yes	1
+ascii_general_ci	ascii	11	Yes	Yes	1
+ascii_bin	ascii	65		Yes	1
+ujis_japanese_ci	ujis	12	Yes	Yes	1
+ujis_bin	ujis	91		Yes	1
+sjis_japanese_ci	sjis	13	Yes	Yes	1
+sjis_bin	sjis	88		Yes	1
+hebrew_general_ci	hebrew	16	Yes	Yes	1
+hebrew_bin	hebrew	71		Yes	1
+tis620_thai_ci	tis620	18	Yes	Yes	4
+tis620_bin	tis620	89		Yes	1
+euckr_korean_ci	euckr	19	Yes	Yes	1
+euckr_bin	euckr	85		Yes	1
+koi8u_general_ci	koi8u	22	Yes	Yes	1
+koi8u_bin	koi8u	75		Yes	1
+gb2312_chinese_ci	gb2312	24	Yes	Yes	1
+gb2312_bin	gb2312	86		Yes	1
+greek_general_ci	greek	25	Yes	Yes	1
+greek_bin	greek	70		Yes	1
+cp1250_general_ci	cp1250	26	Yes	Yes	1
+cp1250_czech_cs	cp1250	34		Yes	2
+cp1250_croatian_ci	cp1250	44		Yes	1
+cp1250_bin	cp1250	66		Yes	1
+cp1250_polish_ci	cp1250	99		Yes	1
+gbk_chinese_ci	gbk	28	Yes	Yes	1
+gbk_bin	gbk	87		Yes	1
+latin5_turkish_ci	latin5	30	Yes	Yes	1
+latin5_bin	latin5	78		Yes	1
+armscii8_general_ci	armscii8	32	Yes	Yes	1
+armscii8_bin	armscii8	64		Yes	1
+utf8_general_ci	utf8	33	Yes	Yes	1
+utf8_bin	utf8	83		Yes	1
+utf8_unicode_ci	utf8	192		Yes	8
+utf8_icelandic_ci	utf8	193		Yes	8
+utf8_latvian_ci	utf8	194		Yes	8
+utf8_romanian_ci	utf8	195		Yes	8
+utf8_slovenian_ci	utf8	196		Yes	8
+utf8_polish_ci	utf8	197		Yes	8
+utf8_estonian_ci	utf8	198		Yes	8
+utf8_spanish_ci	utf8	199		Yes	8
+utf8_swedish_ci	utf8	200		Yes	8
+utf8_turkish_ci	utf8	201		Yes	8
+utf8_czech_ci	utf8	202		Yes	8
+utf8_danish_ci	utf8	203		Yes	8
+utf8_lithuanian_ci	utf8	204		Yes	8
+utf8_slovak_ci	utf8	205		Yes	8
+utf8_spanish2_ci	utf8	206		Yes	8
+utf8_roman_ci	utf8	207		Yes	8
+utf8_persian_ci	utf8	208		Yes	8
+utf8_esperanto_ci	utf8	209		Yes	8
+utf8_hungarian_ci	utf8	210		Yes	8
+utf8_sinhala_ci	utf8	211		Yes	8
+utf8_german2_ci	utf8	212		Yes	8
+utf8_croatian_ci	utf8	213		Yes	8
+utf8_unicode_520_ci	utf8	214		Yes	8
+utf8_vietnamese_ci	utf8	215		Yes	8
+utf8_general_mysql500_ci	utf8	223		Yes	1
+ucs2_general_ci	ucs2	35	Yes	Yes	1
+ucs2_bin	ucs2	90		Yes	1
+ucs2_unicode_ci	ucs2	128		Yes	8
+ucs2_icelandic_ci	ucs2	129		Yes	8
+ucs2_latvian_ci	ucs2	130		Yes	8
+ucs2_romanian_ci	ucs2	131		Yes	8
+ucs2_slovenian_ci	ucs2	132		Yes	8
+ucs2_polish_ci	ucs2	133		Yes	8
+ucs2_estonian_ci	ucs2	134		Yes	8
+ucs2_spanish_ci	ucs2	135		Yes	8
+ucs2_swedish_ci	ucs2	136		Yes	8
+ucs2_turkish_ci	ucs2	137		Yes	8
+ucs2_czech_ci	ucs2	138		Yes	8
+ucs2_danish_ci	ucs2	139		Yes	8
+ucs2_lithuanian_ci	ucs2	140		Yes	8
+ucs2_slovak_ci	ucs2	141		Yes	8
+ucs2_spanish2_ci	ucs2	142		Yes	8
+ucs2_roman_ci	ucs2	143		Yes	8
+ucs2_persian_ci	ucs2	144		Yes	8
+ucs2_esperanto_ci	ucs2	145		Yes	8
+ucs2_hungarian_ci	ucs2	146		Yes	8
+ucs2_sinhala_ci	ucs2	147		Yes	8
+ucs2_german2_ci	ucs2	148		Yes	8
+ucs2_croatian_ci	ucs2	149		Yes	8
+ucs2_unicode_520_ci	ucs2	150		Yes	8
+ucs2_vietnamese_ci	ucs2	151		Yes	8
+ucs2_general_mysql500_ci	ucs2	159		Yes	1
+cp866_general_ci	cp866	36	Yes	Yes	1
+cp866_bin	cp866	68		Yes	1
+keybcs2_general_ci	keybcs2	37	Yes	Yes	1
+keybcs2_bin	keybcs2	73		Yes	1
+macce_general_ci	macce	38	Yes	Yes	1
+macce_bin	macce	43		Yes	1
+macroman_general_ci	macroman	39	Yes	Yes	1
+macroman_bin	macroman	53		Yes	1
+cp852_general_ci	cp852	40	Yes	Yes	1
+cp852_bin	cp852	81		Yes	1
+latin7_estonian_cs	latin7	20		Yes	1
+latin7_general_ci	latin7	41	Yes	Yes	1
+latin7_general_cs	latin7	42		Yes	1
+latin7_bin	latin7	79		Yes	1
+utf8mb4_general_ci	utf8mb4	45	Yes	Yes	1
+utf8mb4_bin	utf8mb4	46		Yes	1
+utf8mb4_unicode_ci	utf8mb4	224		Yes	8
+utf8mb4_icelandic_ci	utf8mb4	225		Yes	8
+utf8mb4_latvian_ci	utf8mb4	226		Yes	8
+utf8mb4_romanian_ci	utf8mb4	227		Yes	8
+utf8mb4_slovenian_ci	utf8mb4	228		Yes	8
+utf8mb4_polish_ci	utf8mb4	229		Yes	8
+utf8mb4_estonian_ci	utf8mb4	230		Yes	8
+utf8mb4_spanish_ci	utf8mb4	231		Yes	8
+utf8mb4_swedish_ci	utf8mb4	232		Yes	8
+utf8mb4_turkish_ci	utf8mb4	233		Yes	8
+utf8mb4_czech_ci	utf8mb4	234		Yes	8
+utf8mb4_danish_ci	utf8mb4	235		Yes	8
+utf8mb4_lithuanian_ci	utf8mb4	236		Yes	8
+utf8mb4_slovak_ci	utf8mb4	237		Yes	8
+utf8mb4_spanish2_ci	utf8mb4	238		Yes	8
+utf8mb4_roman_ci	utf8mb4	239		Yes	8
+utf8mb4_persian_ci	utf8mb4	240		Yes	8
+utf8mb4_esperanto_ci	utf8mb4	241		Yes	8
+utf8mb4_hungarian_ci	utf8mb4	242		Yes	8
+utf8mb4_sinhala_ci	utf8mb4	243		Yes	8
+utf8mb4_german2_ci	utf8mb4	244		Yes	8
+utf8mb4_croatian_ci	utf8mb4	245		Yes	8
+utf8mb4_unicode_520_ci	utf8mb4	246		Yes	8
+utf8mb4_vietnamese_ci	utf8mb4	247		Yes	8
+cp1251_bulgarian_ci	cp1251	14		Yes	1
+cp1251_ukrainian_ci	cp1251	23		Yes	1
+cp1251_bin	cp1251	50		Yes	1
+cp1251_general_ci	cp1251	51	Yes	Yes	1
+cp1251_general_cs	cp1251	52		Yes	1
+utf16_general_ci	utf16	54	Yes	Yes	1
+utf16_bin	utf16	55		Yes	1
+utf16_unicode_ci	utf16	101		Yes	8
+utf16_icelandic_ci	utf16	102		Yes	8
+utf16_latvian_ci	utf16	103		Yes	8
+utf16_romanian_ci	utf16	104		Yes	8
+utf16_slovenian_ci	utf16	105		Yes	8
+utf16_polish_ci	utf16	106		Yes	8
+utf16_estonian_ci	utf16	107		Yes	8
+utf16_spanish_ci	utf16	108		Yes	8
+utf16_swedish_ci	utf16	109		Yes	8
+utf16_turkish_ci	utf16	110		Yes	8
+utf16_czech_ci	utf16	111		Yes	8
+utf16_danish_ci	utf16	112		Yes	8
+utf16_lithuanian_ci	utf16	113		Yes	8
+utf16_slovak_ci	utf16	114		Yes	8
+utf16_spanish2_ci	utf16	115		Yes	8
+utf16_roman_ci	utf16	116		Yes	8
+utf16_persian_ci	utf16	117		Yes	8
+utf16_esperanto_ci	utf16	118		Yes	8
+utf16_hungarian_ci	utf16	119		Yes	8
+utf16_sinhala_ci	utf16	120		Yes	8
+utf16_german2_ci	utf16	121		Yes	8
+utf16_croatian_ci	utf16	122		Yes	8
+utf16_unicode_520_ci	utf16	123		Yes	8
+utf16_vietnamese_ci	utf16	124		Yes	8
+utf16le_general_ci	utf16le	56	Yes	Yes	1
+utf16le_bin	utf16le	62		Yes	1
+cp1256_general_ci	cp1256	57	Yes	Yes	1
+cp1256_bin	cp1256	67		Yes	1
+cp1257_lithuanian_ci	cp1257	29		Yes	1
+cp1257_bin	cp1257	58		Yes	1
+cp1257_general_ci	cp1257	59	Yes	Yes	1
+utf32_general_ci	utf32	60	Yes	Yes	1
+utf32_bin	utf32	61		Yes	1
+utf32_unicode_ci	utf32	160		Yes	8
+utf32_icelandic_ci	utf32	161		Yes	8
+utf32_latvian_ci	utf32	162		Yes	8
+utf32_romanian_ci	utf32	163		Yes	8
+utf32_slovenian_ci	utf32	164		Yes	8
+utf32_polish_ci	utf32	165		Yes	8
+utf32_estonian_ci	utf32	166		Yes	8
+utf32_spanish_ci	utf32	167		Yes	8
+utf32_swedish_ci	utf32	168		Yes	8
+utf32_turkish_ci	utf32	169		Yes	8
+utf32_czech_ci	utf32	170		Yes	8
+utf32_danish_ci	utf32	171		Yes	8
+utf32_lithuanian_ci	utf32	172		Yes	8
+utf32_slovak_ci	utf32	173		Yes	8
+utf32_spanish2_ci	utf32	174		Yes	8
+utf32_roman_ci	utf32	175		Yes	8
+utf32_persian_ci	utf32	176		Yes	8
+utf32_esperanto_ci	utf32	177		Yes	8
+utf32_hungarian_ci	utf32	178		Yes	8
+utf32_sinhala_ci	utf32	179		Yes	8
+utf32_german2_ci	utf32	180		Yes	8
+utf32_croatian_ci	utf32	181		Yes	8
+utf32_unicode_520_ci	utf32	182		Yes	8
+utf32_vietnamese_ci	utf32	183		Yes	8
+binary	binary	63	Yes	Yes	1
+geostd8_general_ci	geostd8	92	Yes	Yes	1
+geostd8_bin	geostd8	93		Yes	1
+cp932_japanese_ci	cp932	95	Yes	Yes	1
+cp932_bin	cp932	96		Yes	1
+eucjpms_japanese_ci	eucjpms	97	Yes	Yes	1
+eucjpms_bin	eucjpms	98		Yes	1
+gb18030_chinese_ci	gb18030	248	Yes	Yes	2
+gb18030_bin	gb18030	249		Yes	1
+gb18030_unicode_520_ci	gb18030	250		Yes	8
+
+show charset;
+Charset	Description	Default collation	Maxlen
+big5	Big5 Traditional Chinese	big5_chinese_ci	2
+dec8	DEC West European	dec8_swedish_ci	1
+cp850	DOS West European	cp850_general_ci	1
+hp8	HP West European	hp8_english_ci	1
+koi8r	KOI8-R Relcom Russian	koi8r_general_ci	1
+latin1	cp1252 West European	latin1_swedish_ci	1
+latin2	ISO 8859-2 Central European	latin2_general_ci	1
+swe7	7bit Swedish	swe7_swedish_ci	1
+ascii	US ASCII	ascii_general_ci	1
+ujis	EUC-JP Japanese	ujis_japanese_ci	3
+sjis	Shift-JIS Japanese	sjis_japanese_ci	2
+hebrew	ISO 8859-8 Hebrew	hebrew_general_ci	1
+tis620	TIS620 Thai	tis620_thai_ci	1
+euckr	EUC-KR Korean	euckr_korean_ci	2
+koi8u	KOI8-U Ukrainian	koi8u_general_ci	1
+gb2312	GB2312 Simplified Chinese	gb2312_chinese_ci	2
+greek	ISO 8859-7 Greek	greek_general_ci	1
+cp1250	Windows Central European	cp1250_general_ci	1
+gbk	GBK Simplified Chinese	gbk_chinese_ci	2
+latin5	ISO 8859-9 Turkish	latin5_turkish_ci	1
+armscii8	ARMSCII-8 Armenian	armscii8_general_ci	1
+utf8	UTF-8 Unicode	utf8_general_ci	3
+ucs2	UCS-2 Unicode	ucs2_general_ci	2
+cp866	DOS Russian	cp866_general_ci	1
+keybcs2	DOS Kamenicky Czech-Slovak	keybcs2_general_ci	1
+macce	Mac Central European	macce_general_ci	1
+macroman	Mac West European	macroman_general_ci	1
+cp852	DOS Central European	cp852_general_ci	1
+latin7	ISO 8859-13 Baltic	latin7_general_ci	1
+utf8mb4	UTF-8 Unicode	utf8mb4_general_ci	4
+cp1251	Windows Cyrillic	cp1251_general_ci	1
+utf16	UTF-16 Unicode	utf16_general_ci	4
+utf16le	UTF-16LE Unicode	utf16le_general_ci	4
+cp1256	Windows Arabic	cp1256_general_ci	1
+cp1257	Windows Baltic	cp1257_general_ci	1
+utf32	UTF-32 Unicode	utf32_general_ci	4
+binary	Binary pseudo charset	binary	1
+geostd8	GEOSTD8 Georgian	geostd8_general_ci	1
+cp932	SJIS for Windows Japanese	cp932_japanese_ci	2
+eucjpms	UJIS for Windows Japanese	eucjpms_japanese_ci	3
+gb18030	China National Standard GB18030	gb18030_chinese_ci	4
diff --git a/intergration/radon-test/t/show_char.test b/intergration/radon-test/t/show_char.test
new file mode 100644
index 00000000..99592276
--- /dev/null
+++ b/intergration/radon-test/t/show_char.test
@@ -0,0 +1,2 @@
+show collation;
+show charset;
diff --git a/src/proxy/query.go b/src/proxy/query.go
index 13eced70..ea042251 100644
--- a/src/proxy/query.go
+++ b/src/proxy/query.go
@@ -205,6 +205,18 @@ func (spanner *Spanner) ComQuery(session *driver.Session, query string, bindVari
 				log.Error("proxy.JDBC.shows[%s].from.session[%v].error:%+v", query, session.ID(), err)
 				status = 1
 			}
+		case sqlparser.ShowCollationStr:
+			// Support for DBeaver.
+			if qr, err = spanner.handleShowCollation(session, query, node); err != nil {
+				log.Error("proxy.show.collation.status[%s].from.session[%v].error:%+v", query, session.ID(), err)
+				status = 1
+			}
+		case sqlparser.ShowCharsetStr:
+			// Support for DBeaver.
+			if qr, err = spanner.handleShowCharset(session, query, node); err != nil {
+				log.Error("proxy.show.charset.status[%s].from.session[%v].error:%+v", query, session.ID(), err)
+				status = 1
+			}
 		default:
 			log.Error("proxy.show.unsupported[%s].from.session[%v]", query, session.ID())
 			status = sqldb.ER_UNKNOWN_ERROR
diff --git a/src/proxy/show.go b/src/proxy/show.go
index 34d2dfcf..29166885 100644
--- a/src/proxy/show.go
+++ b/src/proxy/show.go
@@ -662,3 +662,11 @@ func (spanner *Spanner) handleShowVersions(session *driver.Session, query string
 func (spanner *Spanner) handleJDBCShows(session *driver.Session, query string, node sqlparser.Statement) (*sqltypes.Result, error) {
 	return spanner.ExecuteSingle(query)
 }
+
+func (spanner *Spanner) handleShowCollation(session *driver.Session, query string, node sqlparser.Statement) (*sqltypes.Result, error) {
+	return spanner.ExecuteSingle(query)
+}
+
+func (spanner *Spanner) handleShowCharset(session *driver.Session, query string, node sqlparser.Statement) (*sqltypes.Result, error) {
+	return spanner.ExecuteSingle(query)
+}
\ No newline at end of file
diff --git a/src/proxy/show_test.go b/src/proxy/show_test.go
index 5d0a201f..8e52d197 100644
--- a/src/proxy/show_test.go
+++ b/src/proxy/show_test.go
@@ -1374,13 +1374,13 @@ func TestProxyShowVersions(t *testing.T) {
 	}
 }
 
-func TestProxyShowWarnings(t *testing.T) {
+func TestProxyShowSupported(t *testing.T) {
 	log := xlog.NewStdLog(xlog.Level(xlog.PANIC))
 	fakedbs, proxy, cleanup := MockProxy(log)
 	defer cleanup()
 	address := proxy.Address()
 
-	querys := []string{"show warnings", "show variables"}
+	querys := []string{"show warnings", "show variables", "show collation", "show charset"}
 	// fakedbs.
 	{
 		fakedbs.AddQueryPattern("use .*", &sqltypes.Result{})
@@ -1403,6 +1403,29 @@ func TestProxyShowWarnings(t *testing.T) {
 	}
 }
 
+func TestProxyShowSupportedError(t *testing.T) {
+	log := xlog.NewStdLog(xlog.Level(xlog.PANIC))
+	fakedbs, proxy, cleanup := MockProxyPrivilegeN(log, MockDefaultConfig())
+	defer cleanup()
+	address := proxy.Address()
+
+	querys := []string{"show collation", "show charset"}
+	// fakedbs.
+	{
+		fakedbs.AddQueryPattern("use .*", &sqltypes.Result{})
+	}
+
+	// show ...
+	{
+		for _, query := range querys {
+			show, err := driver.NewConn("mock", "mock", address, "test", "utf8")
+			assert.Nil(t, err)
+			_, err = show.FetchAll(query, -1)
+			assert.NotNil(t, err)
+		}
+	}
+}
+
 func TestProxyShowUnsupports(t *testing.T) {
 	log := xlog.NewStdLog(xlog.Level(xlog.PANIC))
 	fakedbs, proxy, cleanup := MockProxy(log)
diff --git a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/constants.go b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/constants.go
index 4b318497..b72590d9 100644
--- a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/constants.go
+++ b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/constants.go
@@ -88,6 +88,8 @@ const (
 	ShowWarningsStr       = "warnings"
 	ShowVariablesStr      = "variables"
 	ShowBinlogEventsStr   = "binlog events"
+	ShowCharsetStr        = "charset"
+	ShowCollationStr      = "collation"
 	ShowUnsupportedStr    = "unsupported"
 
 	// JoinTableExpr.Join.
diff --git a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/show_test.go b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/show_test.go
index 412e22f3..87cb6a3f 100644
--- a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/show_test.go
+++ b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/show_test.go
@@ -198,6 +198,14 @@ func TestShow1(t *testing.T) {
 			input:  "show full fields from t1 where `Key` = 'PRI'",
 			output: "show full columns from t1 where `Key` = 'PRI'",
 		},
+		{
+			input:  "show collation",
+			output: "show collation",
+		},
+		{
+			input:  "show charset",
+			output: "show charset",
+		},
 	}
 
 	for _, show := range validSQL {
diff --git a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.go b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.go
index 4e757801..8f274e46 100644
--- a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.go
+++ b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.go
@@ -314,77 +314,78 @@ const TOKUDB_QUICKLZ = 57550
 const TOKUDB_LZMA = 57551
 const TOKUDB_SNAPPY = 57552
 const TOKUDB_UNCOMPRESSED = 57553
-const DATABASES = 57554
-const TABLES = 57555
-const WARNINGS = 57556
-const VARIABLES = 57557
-const EVENTS = 57558
-const BINLOG = 57559
-const GTID = 57560
-const STATUS = 57561
-const COLUMNS = 57562
-const FIELDS = 57563
-const CURRENT_TIMESTAMP = 57564
-const DATABASE = 57565
-const CURRENT_DATE = 57566
-const CURRENT_TIME = 57567
-const LOCALTIME = 57568
-const LOCALTIMESTAMP = 57569
-const UTC_DATE = 57570
-const UTC_TIME = 57571
-const UTC_TIMESTAMP = 57572
-const REPLACE = 57573
-const CONVERT = 57574
-const CAST = 57575
-const GROUP_CONCAT = 57576
-const SEPARATOR = 57577
-const MATCH = 57578
-const AGAINST = 57579
-const BOOLEAN = 57580
-const LANGUAGE = 57581
-const WITH = 57582
-const QUERY = 57583
-const EXPANSION = 57584
-const UNUSED = 57585
-const PARTITION = 57586
-const PARTITIONS = 57587
-const LIST = 57588
-const XA = 57589
-const DISTRIBUTED = 57590
-const ENGINES = 57591
-const VERSIONS = 57592
-const PROCESSLIST = 57593
-const QUERYZ = 57594
-const TXNZ = 57595
-const KILL = 57596
-const ENGINE = 57597
-const SINGLE = 57598
-const BEGIN = 57599
-const START = 57600
-const TRANSACTION = 57601
-const COMMIT = 57602
-const ROLLBACK = 57603
-const GLOBAL = 57604
-const LOCAL = 57605
-const SESSION = 57606
-const NAMES = 57607
-const ISOLATION = 57608
-const LEVEL = 57609
-const READ = 57610
-const WRITE = 57611
-const ONLY = 57612
-const REPEATABLE = 57613
-const COMMITTED = 57614
-const UNCOMMITTED = 57615
-const SERIALIZABLE = 57616
-const RADON = 57617
-const ATTACH = 57618
-const ATTACHLIST = 57619
-const DETACH = 57620
-const RESHARD = 57621
-const CLEANUP = 57622
-const RECOVER = 57623
-const REBALANCE = 57624
+const COLLATION = 57554
+const DATABASES = 57555
+const TABLES = 57556
+const WARNINGS = 57557
+const VARIABLES = 57558
+const EVENTS = 57559
+const BINLOG = 57560
+const GTID = 57561
+const STATUS = 57562
+const COLUMNS = 57563
+const FIELDS = 57564
+const CURRENT_TIMESTAMP = 57565
+const DATABASE = 57566
+const CURRENT_DATE = 57567
+const CURRENT_TIME = 57568
+const LOCALTIME = 57569
+const LOCALTIMESTAMP = 57570
+const UTC_DATE = 57571
+const UTC_TIME = 57572
+const UTC_TIMESTAMP = 57573
+const REPLACE = 57574
+const CONVERT = 57575
+const CAST = 57576
+const GROUP_CONCAT = 57577
+const SEPARATOR = 57578
+const MATCH = 57579
+const AGAINST = 57580
+const BOOLEAN = 57581
+const LANGUAGE = 57582
+const WITH = 57583
+const QUERY = 57584
+const EXPANSION = 57585
+const UNUSED = 57586
+const PARTITION = 57587
+const PARTITIONS = 57588
+const LIST = 57589
+const XA = 57590
+const DISTRIBUTED = 57591
+const ENGINES = 57592
+const VERSIONS = 57593
+const PROCESSLIST = 57594
+const QUERYZ = 57595
+const TXNZ = 57596
+const KILL = 57597
+const ENGINE = 57598
+const SINGLE = 57599
+const BEGIN = 57600
+const START = 57601
+const TRANSACTION = 57602
+const COMMIT = 57603
+const ROLLBACK = 57604
+const GLOBAL = 57605
+const LOCAL = 57606
+const SESSION = 57607
+const NAMES = 57608
+const ISOLATION = 57609
+const LEVEL = 57610
+const READ = 57611
+const WRITE = 57612
+const ONLY = 57613
+const REPEATABLE = 57614
+const COMMITTED = 57615
+const UNCOMMITTED = 57616
+const SERIALIZABLE = 57617
+const RADON = 57618
+const ATTACH = 57619
+const ATTACHLIST = 57620
+const DETACH = 57621
+const RESHARD = 57622
+const CLEANUP = 57623
+const RECOVER = 57624
+const REBALANCE = 57625
 
 var yyToknames = [...]string{
 	"$end",
@@ -615,6 +616,7 @@ var yyToknames = [...]string{
 	"TOKUDB_LZMA",
 	"TOKUDB_SNAPPY",
 	"TOKUDB_UNCOMPRESSED",
+	"COLLATION",
 	"DATABASES",
 	"TABLES",
 	"WARNINGS",
@@ -688,14 +690,13 @@ var yyToknames = [...]string{
 	"REBALANCE",
 	"';'",
 }
-
 var yyStatenames = [...]string{}
 
 const yyEofCode = 1
 const yyErrCode = 2
 const yyInitialStackSize = 16
 
-//line sql.y:4778
+//line sql.y:4787
 
 //line yacctab:1
 var yyExca = [...]int{
@@ -705,1077 +706,1085 @@ var yyExca = [...]int{
 	-1, 3,
 	5, 27,
 	-2, 4,
-	-1, 222,
-	92, 845,
-	-2, 661,
-	-1, 228,
-	92, 707,
-	-2, 639,
-	-1, 469,
-	120, 691,
-	-2, 687,
-	-1, 470,
-	120, 692,
-	-2, 688,
-	-1, 504,
+	-1, 224,
+	92, 847,
+	-2, 663,
+	-1, 230,
+	92, 709,
+	-2, 641,
+	-1, 473,
+	120, 693,
+	-2, 689,
+	-1, 474,
+	120, 694,
+	-2, 690,
+	-1, 508,
 	117, 82,
 	167, 82,
 	170, 82,
 	-2, 93,
-	-1, 555,
+	-1, 559,
 	1, 76,
-	300, 76,
+	301, 76,
 	-2, 82,
-	-1, 676,
+	-1, 680,
 	5, 27,
-	-2, 610,
-	-1, 710,
+	-2, 612,
+	-1, 714,
 	117, 82,
 	167, 82,
 	170, 82,
 	-2, 94,
-	-1, 768,
+	-1, 772,
 	32, 301,
 	65, 301,
 	68, 301,
 	131, 301,
-	-2, 842,
-	-1, 821,
+	-2, 844,
+	-1, 825,
 	1, 77,
-	300, 77,
+	301, 77,
 	-2, 82,
-	-1, 909,
-	120, 694,
-	-2, 690,
-	-1, 1080,
+	-1, 913,
+	120, 696,
+	-2, 692,
+	-1, 1084,
 	5, 28,
-	-2, 489,
-	-1, 1104,
+	-2, 491,
+	-1, 1108,
 	5, 28,
-	-2, 611,
-	-1, 1233,
-	5, 27,
 	-2, 613,
-	-1, 1359,
+	-1, 1237,
+	5, 27,
+	-2, 615,
+	-1, 1363,
 	5, 28,
-	-2, 614,
+	-2, 616,
 }
 
 const yyPrivate = 57344
 
-const yyLast = 9960
+const yyLast = 10028
 
 var yyAct = [...]int{
-	470, 1257, 1435, 1362, 1388, 1394, 579, 1265, 447, 1306,
-	1292, 1162, 1418, 938, 817, 1012, 445, 223, 1392, 1223,
-	423, 679, 689, 1264, 1203, 989, 939, 893, 905, 1073,
-	1303, 908, 197, 903, 962, 227, 636, 3, 103, 900,
-	803, 1002, 1229, 1065, 56, 849, 425, 991, 680, 935,
-	919, 359, 1224, 870, 571, 66, 738, 582, 966, 822,
-	422, 772, 711, 1027, 103, 489, 231, 412, 361, 358,
-	219, 490, 472, 478, 813, 992, 421, 488, 572, 218,
-	103, 103, 226, 191, 55, 206, 1113, 196, 216, 448,
-	50, 955, 1114, 1115, 954, 698, 699, 956, 492, 408,
-	409, 103, 697, 491, 491, 492, 211, 182, 708, 1316,
-	1363, 1461, 185, 187, 186, 188, 189, 356, 190, 410,
-	407, 355, 373, 374, 1434, 647, 1417, 1396, 179, 354,
-	1460, 1408, 1458, 1433, 1216, 353, 1286, 840, 375, 390,
-	50, 1005, 846, 396, 975, 1006, 1007, 974, 202, 380,
-	1407, 749, 998, 999, 1000, 1022, 382, 383, 496, 796,
-	1001, 443, 444, 70, 839, 384, 1187, 759, 76, 77,
-	71, 741, 73, 376, 804, 1281, 1279, 1047, 1419, 1397,
-	1033, 1332, 1396, 1046, 24, 51, 26, 27, 1018, 103,
-	1045, 842, 994, 370, 400, 402, 1017, 1164, 1042, 363,
-	838, 584, 584, 736, 75, 1044, 1384, 1354, 1356, 418,
-	1383, 103, 766, 368, 103, 1382, 46, 366, 365, 231,
-	28, 364, 100, 36, 965, 231, 231, 415, 473, 797,
-	968, 404, 902, 967, 1397, 226, 80, 1164, 79, 475,
-	37, 497, 497, 53, 1313, 474, 614, 835, 833, 829,
-	1271, 832, 834, 483, 1140, 1107, 486, 745, 1374, 603,
-	602, 612, 613, 605, 606, 607, 608, 609, 610, 611,
-	604, 72, 1079, 614, 968, 401, 401, 967, 78, 1355,
-	804, 60, 1077, 377, 626, 627, 705, 1263, 948, 493,
-	837, 635, 50, 1398, 485, 385, 1439, 1041, 993, 583,
-	583, 30, 31, 32, 589, 34, 592, 62, 63, 64,
-	65, 765, 1171, 836, 1261, 180, 739, 35, 47, 39,
-	963, 1005, 48, 49, 33, 1006, 1007, 740, 742, 743,
-	744, 851, 746, 747, 748, 750, 751, 752, 753, 754,
-	755, 756, 757, 758, 1406, 1019, 1020, 1043, 707, 947,
-	1015, 1016, 607, 608, 609, 610, 611, 604, 1420, 1402,
-	614, 495, 1172, 103, 1262, 591, 590, 1218, 103, 103,
-	103, 369, 831, 103, 1083, 920, 604, 103, 103, 614,
-	590, 68, 592, 841, 500, 103, 877, 386, 997, 556,
-	591, 590, 920, 480, 1090, 830, 592, 1454, 737, 594,
-	875, 876, 874, 1058, 1059, 1060, 1396, 592, 1142, 1141,
-	560, 561, 563, 1375, 362, 1446, 1441, 662, 663, 569,
-	850, 1364, 1256, 863, 865, 866, 52, 574, 1085, 864,
-	580, 1143, 1144, 1145, 1146, 1147, 1148, 1149, 1150, 1151,
-	1152, 1153, 38, 1252, 1084, 575, 595, 1253, 593, 40,
-	372, 53, 41, 42, 1255, 44, 43, 1427, 1397, 1159,
-	573, 873, 591, 590, 591, 590, 1157, 624, 1155, 1138,
-	45, 1136, 1135, 591, 590, 591, 590, 580, 231, 592,
-	1220, 592, 1134, 103, 645, 476, 103, 367, 231, 1158,
-	592, 1013, 592, 1014, 668, 1131, 1156, 1126, 1154, 1137,
-	894, 682, 895, 1335, 226, 681, 361, 664, 1125, 623,
-	625, 437, 436, 438, 439, 440, 441, 684, 676, 1124,
-	442, 686, 1031, 1030, 703, 678, 605, 606, 607, 608,
-	609, 610, 611, 604, 1023, 634, 614, 398, 637, 638,
-	639, 640, 641, 642, 643, 1254, 646, 648, 648, 648,
-	648, 648, 648, 648, 648, 656, 657, 658, 659, 805,
-	806, 807, 666, 1243, 1242, 1139, 103, 692, 1132, 819,
-	1128, 677, 700, 103, 103, 760, 691, 1127, 1119, 1051,
-	1050, 762, 1028, 103, 649, 650, 651, 652, 653, 654,
-	655, 1010, 706, 1455, 1259, 665, 1450, 411, 856, 1447,
-	845, 1325, 1422, 1325, 1390, 411, 871, 1387, 844, 1385,
-	411, 1323, 823, 1325, 1366, 1322, 853, 1325, 1365, 860,
-	861, 1258, 867, 868, 1329, 858, 815, 816, 990, 854,
-	1290, 411, 1325, 411, 231, 1189, 628, 629, 630, 631,
-	632, 633, 1071, 411, 872, 1186, 1133, 231, 1178, 1177,
-	899, 957, 226, 907, 1294, 1297, 1298, 1299, 1295, 896,
-	1296, 1300, 559, 921, 1379, 24, 580, 1174, 1175, 914,
-	915, 909, 1174, 1173, 911, 1106, 411, 1321, 231, 856,
-	411, 24, 558, 557, 940, 505, 504, 946, 371, 473,
-	1170, 682, 1099, 231, 944, 681, 937, 924, 57, 857,
-	690, 674, 945, 897, 898, 675, 936, 361, 946, 226,
-	1102, 24, 1290, 1176, 942, 50, 1071, 917, 843, 950,
-	696, 1232, 694, 660, 53, 1378, 487, 637, 53, 1368,
-	798, 1319, 928, 927, 949, 1294, 1297, 1298, 1299, 1295,
-	53, 1296, 1300, 799, 800, 801, 802, 936, 1071, 203,
-	1071, 818, 1249, 1244, 827, 946, 910, 67, 958, 810,
-	811, 812, 952, 493, 1168, 941, 951, 50, 922, 814,
-	53, 809, 964, 961, 969, 970, 971, 972, 973, 808,
-	826, 976, 977, 978, 979, 980, 981, 982, 983, 984,
-	985, 986, 987, 988, 825, 565, 1347, 959, 960, 672,
-	74, 1348, 1345, 1381, 1380, 22, 869, 1346, 53, 878,
-	879, 880, 881, 882, 883, 884, 885, 886, 887, 888,
-	889, 890, 891, 892, 1344, 1343, 103, 103, 103, 1349,
-	1448, 1298, 1299, 996, 207, 208, 1432, 1057, 1415, 859,
-	1024, 1025, 933, 932, 103, 1269, 1003, 479, 603, 602,
-	612, 613, 605, 606, 607, 608, 609, 610, 611, 604,
-	1425, 477, 614, 210, 201, 413, 1123, 1026, 1035, 1036,
-	1037, 912, 913, 1029, 501, 916, 484, 1054, 823, 759,
-	1052, 1032, 1034, 871, 1424, 1055, 1048, 1039, 1066, 923,
-	414, 925, 926, 612, 613, 605, 606, 607, 608, 609,
-	610, 611, 604, 1100, 934, 614, 231, 824, 1053, 564,
-	1302, 1193, 204, 205, 479, 1230, 1166, 1009, 1008, 995,
-	1442, 872, 1075, 1431, 1430, 198, 1338, 1429, 1061, 503,
-	103, 603, 602, 612, 613, 605, 606, 607, 608, 609,
-	610, 611, 604, 1247, 931, 614, 1246, 502, 199, 1091,
-	57, 1248, 930, 1337, 1289, 690, 568, 213, 1310, 1011,
-	361, 361, 588, 682, 59, 226, 1111, 681, 61, 1089,
-	580, 54, 1097, 1, 352, 1361, 1110, 821, 820, 771,
-	1120, 770, 1112, 1428, 909, 69, 1416, 1101, 1393, 1161,
-	1108, 1423, 1395, 1400, 1372, 1109, 1369, 1078, 1371, 710,
-	1121, 1122, 1163, 709, 357, 761, 777, 776, 775, 1129,
-	1130, 1117, 1118, 773, 1021, 795, 1068, 1165, 1260, 782,
-	1069, 781, 704, 735, 734, 733, 732, 731, 730, 729,
-	728, 1080, 1081, 1082, 727, 726, 1086, 725, 724, 723,
-	103, 1092, 1167, 1093, 1094, 1095, 1096, 722, 361, 721,
-	720, 719, 718, 1169, 717, 716, 712, 715, 714, 1315,
-	713, 1103, 1104, 1105, 780, 778, 774, 510, 1179, 1180,
-	508, 509, 507, 512, 511, 231, 506, 1301, 1116, 1305,
-	231, 1072, 1184, 1040, 828, 1062, 1063, 1064, 622, 929,
-	1004, 1075, 224, 446, 226, 907, 226, 1202, 953, 1191,
-	103, 1188, 695, 693, 1198, 1197, 1192, 231, 231, 1200,
-	1215, 940, 1214, 909, 215, 214, 943, 1190, 1201, 1219,
-	661, 1221, 471, 1235, 1236, 1181, 1182, 1183, 1336, 1231,
-	1222, 101, 1217, 1288, 1070, 1088, 644, 1240, 1241, 918,
-	424, 1237, 1233, 862, 435, 432, 1227, 434, 433, 667,
-	1087, 673, 596, 416, 1353, 1226, 562, 212, 603, 602,
-	612, 613, 605, 606, 607, 608, 609, 610, 611, 604,
-	86, 85, 614, 212, 212, 381, 481, 1293, 1250, 1163,
-	1291, 1225, 231, 231, 231, 1098, 567, 1285, 1067, 1228,
-	1196, 1373, 941, 1251, 212, 1234, 671, 779, 1266, 1266,
-	1266, 25, 58, 209, 14, 21, 1267, 1268, 603, 602,
-	612, 613, 605, 606, 607, 608, 609, 610, 611, 604,
-	15, 13, 614, 1277, 12, 29, 10, 9, 8, 103,
-	103, 7, 6, 5, 4, 200, 23, 1238, 1239, 2,
-	20, 940, 19, 18, 17, 231, 1311, 16, 11, 1287,
-	231, 763, 764, 1245, 0, 0, 0, 0, 0, 0,
-	0, 1266, 0, 1320, 1163, 0, 1266, 0, 1317, 0,
-	0, 1312, 231, 1318, 0, 1227, 1194, 1195, 0, 0,
-	0, 0, 212, 0, 0, 0, 0, 0, 226, 1202,
-	0, 103, 103, 103, 103, 0, 0, 0, 0, 0,
-	0, 0, 103, 0, 212, 103, 1284, 212, 103, 0,
-	1339, 1350, 1341, 0, 231, 0, 1331, 1357, 1304, 0,
-	231, 1272, 941, 1273, 50, 0, 231, 682, 1314, 0,
-	1360, 681, 1358, 1370, 1282, 1283, 1266, 1227, 1227, 1227,
-	1227, 911, 1266, 1367, 1340, 1377, 1342, 0, 0, 0,
-	0, 1227, 602, 612, 613, 605, 606, 607, 608, 609,
-	610, 611, 604, 0, 0, 614, 1376, 580, 0, 231,
-	0, 1389, 0, 0, 0, 0, 0, 1401, 1404, 0,
-	1228, 1228, 1228, 1228, 1324, 1266, 0, 1327, 1328, 1414,
-	1399, 1403, 1391, 0, 1304, 1421, 0, 0, 0, 0,
-	0, 0, 0, 1270, 0, 1334, 0, 1409, 1410, 0,
-	0, 0, 231, 231, 231, 1437, 1438, 0, 0, 0,
-	0, 0, 0, 1352, 0, 0, 0, 1443, 1436, 1436,
-	1436, 1426, 1359, 0, 1274, 1275, 0, 1276, 0, 0,
-	1278, 0, 1280, 0, 0, 0, 1456, 1457, 1453, 0,
-	0, 231, 1440, 0, 0, 177, 555, 0, 0, 1444,
-	1445, 212, 212, 212, 0, 0, 566, 1459, 0, 0,
-	212, 570, 1411, 1412, 1413, 789, 788, 527, 212, 0,
-	0, 1386, 0, 0, 0, 785, 0, 0, 0, 0,
-	0, 1204, 0, 1405, 1333, 178, 1326, 181, 0, 183,
-	184, 0, 192, 193, 194, 195, 0, 0, 791, 0,
-	0, 0, 0, 0, 0, 1206, 0, 0, 0, 0,
-	0, 790, 783, 0, 0, 0, 0, 0, 784, 401,
-	0, 1208, 0, 1212, 0, 1207, 0, 1205, 0, 378,
-	379, 0, 1210, 387, 388, 389, 0, 391, 392, 393,
-	394, 395, 1209, 515, 0, 1449, 0, 1451, 1452, 0,
-	0, 792, 0, 0, 0, 1211, 1213, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 212, 528, 683, 685,
-	0, 787, 541, 544, 545, 546, 547, 548, 549, 0,
-	550, 551, 552, 553, 554, 529, 530, 531, 532, 513,
-	514, 542, 0, 516, 0, 0, 517, 518, 519, 520,
-	521, 522, 523, 524, 525, 526, 533, 534, 535, 536,
-	537, 538, 539, 540, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 786, 397, 0, 0, 399, 0,
-	0, 794, 0, 403, 793, 405, 406, 0, 149, 0,
-	105, 0, 769, 768, 0, 133, 136, 137, 0, 212,
-	767, 0, 0, 766, 0, 0, 852, 212, 0, 0,
-	0, 121, 0, 0, 0, 0, 212, 0, 139, 0,
-	0, 157, 142, 0, 0, 0, 0, 0, 0, 0,
-	543, 0, 0, 598, 0, 601, 0, 0, 0, 360,
-	0, 615, 616, 617, 618, 619, 620, 621, 111, 599,
-	600, 597, 603, 602, 612, 613, 605, 606, 607, 608,
-	609, 610, 611, 604, 0, 0, 614, 0, 906, 685,
-	0, 0, 906, 906, 0, 0, 906, 0, 0, 99,
-	0, 98, 0, 0, 0, 0, 0, 0, 0, 0,
-	906, 906, 906, 906, 0, 0, 0, 0, 0, 96,
-	0, 0, 765, 168, 0, 906, 0, 0, 683, 0,
-	0, 0, 0, 115, 0, 155, 0, 166, 107, 0,
-	0, 0, 0, 95, 0, 0, 0, 120, 128, 0,
-	0, 164, 165, 116, 169, 0, 0, 108, 0, 0,
-	148, 0, 163, 0, 0, 0, 0, 0, 0, 0,
-	135, 123, 130, 152, 140, 153, 131, 146, 145, 147,
-	0, 0, 0, 158, 0, 0, 127, 122, 162, 119,
-	143, 112, 106, 0, 113, 114, 118, 117, 82, 134,
-	141, 144, 150, 151, 156, 90, 97, 0, 0, 0,
-	0, 0, 576, 0, 577, 0, 578, 0, 581, 0,
-	0, 0, 0, 585, 586, 587, 0, 161, 0, 126,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 104, 109, 138, 0, 154,
-	125, 167, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 124, 159, 0, 160, 0, 0, 0,
-	132, 0, 0, 0, 0, 0, 0, 0, 0, 212,
-	212, 212, 0, 170, 171, 173, 172, 174, 110, 175,
-	176, 0, 0, 0, 0, 0, 0, 212, 0, 0,
-	0, 0, 0, 0, 83, 0, 94, 92, 0, 81,
-	0, 89, 0, 0, 0, 0, 0, 149, 0, 105,
-	0, 0, 129, 0, 133, 136, 137, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	121, 84, 93, 87, 88, 91, 0, 139, 0, 0,
-	157, 142, 0, 0, 0, 906, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 230, 0,
-	0, 906, 0, 0, 0, 0, 0, 111, 0, 0,
-	0, 0, 0, 212, 0, 847, 848, 0, 0, 0,
-	0, 855, 0, 0, 0, 0, 0, 0, 0, 0,
-	683, 0, 685, 603, 602, 612, 613, 605, 606, 607,
-	608, 609, 610, 611, 604, 0, 0, 614, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 168, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 115, 0, 155, 0, 166, 107, 0, 0,
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 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 172, 173, 175, 174, 176, 112, 177, 178,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 168, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 115, 0, 155, 0, 166,
-	107, 0, 0, 0, 0, 0, 0, 0, 0, 120,
-	128, 0, 0, 164, 165, 116, 169, 0, 0, 108,
-	0, 0, 148, 0, 163, 0, 0, 0, 0, 0,
-	0, 0, 135, 123, 130, 152, 140, 153, 131, 146,
-	145, 147, 0, 0, 0, 158, 0, 0, 127, 122,
-	162, 119, 143, 112, 106, 0, 113, 114, 118, 117,
-	0, 134, 141, 144, 150, 151, 156, 149, 0, 105,
-	0, 0, 129, 0, 133, 136, 137, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 161,
-	121, 126, 0, 0, 0, 0, 0, 139, 0, 0,
-	157, 142, 0, 0, 0, 0, 0, 104, 109, 138,
-	0, 154, 125, 167, 0, 0, 0, 0, 1160, 0,
-	0, 0, 0, 0, 0, 124, 159, 111, 160, 0,
-	0, 0, 132, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 170, 171, 173, 172, 174,
-	110, 175, 176, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 170,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 117,
+	0, 157, 0, 168, 109, 0, 0, 0, 0, 0,
+	0, 0, 0, 122, 130, 0, 0, 166, 167, 118,
+	171, 0, 0, 110, 0, 0, 150, 0, 165, 0,
+	0, 0, 0, 0, 0, 0, 137, 125, 132, 154,
+	142, 155, 133, 148, 147, 149, 0, 0, 0, 160,
+	0, 0, 129, 124, 164, 121, 145, 114, 108, 0,
+	115, 116, 120, 119, 0, 136, 143, 146, 152, 153,
+	158, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 168, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 115, 0, 155, 0, 166, 107, 0, 0,
-	0, 0, 0, 0, 0, 0, 120, 128, 0, 0,
-	164, 165, 116, 169, 0, 0, 108, 0, 0, 148,
-	0, 163, 0, 0, 0, 0, 0, 0, 0, 135,
-	123, 130, 152, 140, 153, 131, 146, 145, 147, 0,
-	0, 0, 158, 0, 0, 127, 122, 162, 119, 143,
-	112, 106, 0, 113, 114, 118, 117, 0, 134, 141,
-	144, 150, 151, 156, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 163, 0, 128, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 161, 0, 126, 0,
+	0, 0, 106, 111, 140, 0, 156, 127, 169, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 104, 109, 138, 0, 154, 125,
-	167, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 124, 159, 0, 160, 0, 0, 0, 132,
+	126, 161, 0, 162, 0, 0, 0, 134, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 170, 171, 173, 172, 174, 110, 175, 176,
+	172, 173, 175, 174, 176, 112, 177, 178,
 }
-
 var yyPact = [...]int{
-	178, -1000, -216, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+
+	135, -1000, -215, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, 936, 959, -1000, -1000, -1000, -1000, -1000, 692,
-	141, 70, 38, 108, 106, 1715, 92, 9266, -1000, -1000,
-	57, -1000, -169, -1000, -1000, -181, -1000, -1000, -1000, -1000,
-	705, -1000, -1000, -1000, -1000, -1000, 909, 933, 743, 879,
-	782, -1000, 70, 9266, 947, 2400, -144, 9463, 64, 90,
-	87, 86, 64, -1000, 83, -1000, 58, 620, 58, 9266,
-	9266, -95, 43, -1000, -1000, -81, 285, -1000, -1000, -1000,
-	-97, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	9266, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, 942, 967, -1000, -1000, -1000, -1000, -1000, 733,
+	126, 64, 22, 92, 90, 626, 88, 9331, -1000, -1000,
+	54, -1000, -169, -1000, -1000, -176, -1000, -1000, -1000, -1000,
+	709, -1000, -1000, -1000, -1000, -1000, 915, 938, 728, 870,
+	792, -1000, 64, 9331, 957, 2439, -135, 9529, 61, 84,
+	83, 81, 61, -1000, 87, -1000, 60, 627, 60, 9331,
+	9331, -76, 10, -1000, -1000, -77, 236, -1000, -1000, -1000,
+	-90, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, 9331, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
@@ -1783,11 +1792,12 @@ var yyPact = [...]int{
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	466, -1000, -1000, -1000, -1000, 663, 663, -1000, 9266, -1000,
-	-1000, -178, -1000, -1000, -1000, -1000, 538, 847, 6363, 6363,
-	936, -1000, 705, -1000, -1000, -1000, 813, -1000, -1000, 317,
-	8675, 834, 174, 9266, 660, -1000, -1000, -180, 2990, -1000,
-	-1000, -1000, -1000, 269, 7884, 7884, -1000, -1000, -1000, 832,
+	-1000, -1000, 471, -1000, -1000, -1000, -1000, 688, 688, -1000,
+	9331, -1000, -1000, -187, -1000, -1000, -1000, -1000, 535, 857,
+	6416, 6416, 942, -1000, 709, -1000, -1000, -1000, 823, -1000,
+	-1000, 307, 8737, 835, 129, 9331, 665, -1000, -1000, -182,
+	3031, -1000, -1000, -1000, -1000, 194, 7942, 7942, -1000, -1000,
+	-1000, 834, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
@@ -1799,149 +1809,148 @@ var yyPact = [...]int{
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 937, 918, 622,
+	-1000, 143, -1000, -1000, 9331, 289, 619, 617, 599, 9331,
+	9331, 9331, 854, 751, 9331, -1000, -1000, 956, 9331, 9331,
+	-1000, -1000, 236, 236, -1000, -1000, 9331, -1000, -1000, -1000,
+	-1000, -1000, 236, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, 6416, -1000, -1000, 164, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 962, 152, 466,
+	-1000, 6416, 1572, 688, 688, -1000, -1000, 102, -1000, -1000,
+	6678, 6678, 6678, 6678, 6678, 6678, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 688,
+	128, -1000, 6151, 688, 688, 688, 688, 688, 688, 6416,
+	688, 688, 688, 688, 688, 688, 688, 688, 688, 688,
+	688, 688, 688, -1000, -1000, 663, -1000, 344, 915, 535,
+	792, 7742, 765, -1000, -1000, 668, 9331, -1000, 9133, 4807,
+	950, 2735, -1000, 662, 657, -178, -189, -1000, -182, 5356,
+	-1000, -1000, -1000, -1000, 155, -1000, 688, 100, 142, 1801,
+	1311, -28, -1000, -1000, -1000, 695, -1000, 695, 695, 695,
+	695, 2, 2, 2, 2, -1000, -1000, -1000, -1000, -1000,
+	741, 740, -1000, 695, 695, 695, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, 932, 914, 619, -1000, 1435,
-	-1000, -1000, 9266, 305, 615, 614, 594, 9266, 9266, 9266,
-	873, 731, 9266, -1000, -1000, 946, 9266, 9266, -1000, -1000,
-	285, 285, -1000, -1000, 9266, -1000, -1000, -1000, -1000, -1000,
-	285, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, 6363, -1000, -1000, 167, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, 954, 202, 382, -1000, 6363, 1609, 663,
-	663, -1000, -1000, 163, -1000, -1000, 6624, 6624, 6624, 6624,
-	6624, 6624, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, 663, 171, -1000, 6099, 663,
-	663, 663, 663, 663, 663, 6363, 663, 663, 663, 663,
-	663, 663, 663, 663, 663, 663, 663, 663, 663, -1000,
-	-1000, 657, -1000, 380, 909, 538, 782, 7685, 744, -1000,
-	-1000, 659, 9266, -1000, 9069, 4760, 944, 2695, -1000, 656,
-	654, -182, -191, -1000, -180, 5307, -1000, -1000, -1000, -1000,
-	169, -1000, 663, 85, 126, 1631, 1444, -34, -1000, -1000,
-	-1000, 665, -1000, 665, 665, 665, 665, 7, 7, 7,
-	7, -1000, -1000, -1000, -1000, -1000, 714, 706, -1000, 665,
-	665, 665, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, 739, 739, 739, 729, 729, 840,
+	850, 750, 748, 746, -1000, 1358, 655, -1000, -1000, 9331,
+	-1000, 915, -87, -1000, -1000, 331, 9331, 9331, 236, -1000,
+	-1000, -1000, -1000, 612, 279, -1000, 9331, -1000, -1000, -1000,
+	-1000, -1000, -1000, 804, 6416, 6416, 400, 6416, 6416, 178,
+	6678, 347, 316, 6678, 6678, 6678, 6678, 6678, 6678, 6678,
+	6678, 6678, 6678, 6678, 6678, 6678, 6678, 6678, 465, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 588, -1000, 709,
+	674, 674, 133, 133, 133, 133, 133, 2101, 5091, 4511,
+	535, 6151, 5621, 5621, 6416, 6416, 5621, 871, 259, 279,
+	8935, -1000, 535, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	5621, 5621, 5621, 5621, 6416, -1000, -1000, -1000, 857, -1000,
+	871, 941, -1000, 821, 820, 5621, -1000, 744, 9133, 688,
+	-1000, 7544, -1000, 724, -1000, 191, -1000, 125, -1000, -1000,
+	-1000, -1000, -1000, 942, 6416, -1000, 3919, -1000, -180, -1000,
+	-174, -192, -1000, -1000, -1000, -1000, -1000, 279, -1000, 575,
+	9529, 688, 688, -1000, 142, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	704, 704, 704, 686, 686, 838, 871, 730, 716, 690,
-	-1000, 123, 652, -1000, -1000, 9266, -1000, 909, -93, -1000,
-	-1000, 320, 9266, 9266, 285, -1000, -1000, -1000, -1000, 613,
-	283, -1000, 9266, -1000, -1000, -1000, -1000, -1000, -1000, 789,
-	6363, 6363, 345, 6363, 6363, 207, 6624, 386, 300, 6624,
-	6624, 6624, 6624, 6624, 6624, 6624, 6624, 6624, 6624, 6624,
-	6624, 6624, 6624, 6624, 432, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, 591, -1000, 705, 442, 442, 129, 129,
-	129, 129, 129, 1940, 5043, 4465, 538, 6099, 5571, 5571,
-	6363, 6363, 5571, 880, 287, 283, 8872, -1000, 538, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, 5571, 5571, 5571, 5571,
-	6363, -1000, -1000, -1000, 847, -1000, 880, 934, -1000, 797,
-	796, 5571, -1000, 683, 9069, 663, -1000, 7488, -1000, 689,
-	-1000, 257, -1000, 168, -1000, -1000, -1000, -1000, -1000, 936,
-	6363, -1000, 3875, -1000, -187, -1000, -179, -194, -1000, -1000,
-	-1000, -1000, -1000, 283, -1000, 583, 9463, 663, 663, -1000,
-	126, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, 228, 228, 107, 228,
-	228, 228, 228, 228, -58, -61, 228, 228, 228, 228,
-	228, 228, 228, 228, 228, 228, 228, 228, 228, -1000,
-	-1000, -1000, 560, 180, 161, -1000, -1000, -1000, -1000, 889,
-	-1000, 1444, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 310, 82, -1000, 886, -1000, 885,
-	521, 951, 423, 155, 147, -39, -1000, -1000, 463, 7,
-	7, -1000, -1000, -1000, 825, -1000, -1000, -1000, 512, 512,
-	-1000, -1000, -1000, -1000, 452, -1000, -1000, -1000, 451, -1000,
-	-1000, 838, -1000, 63, -1000, 9266, 9266, 9266, -1000, 166,
-	255, 72, 52, 45, 39, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, 9266, -1000, -1000, 510, -1000, -1000, -1000,
-	509, 6363, -1000, 285, 944, -1000, 6363, -1000, -1000, 786,
-	207, 297, -1000, -1000, 325, -1000, -1000, 283, 283, 1055,
-	-1000, -1000, -1000, -1000, 386, 6624, 6624, 6624, 745, 1055,
-	1105, 788, 1248, 129, 243, 243, 262, 262, 262, 262,
-	262, 419, 419, -1000, -1000, -1000, 538, -1000, -1000, -1000,
-	538, 5571, 650, -1000, -1000, 6889, 162, 663, 152, -1000,
-	-1000, 538, 576, 576, 308, 393, 576, 5571, 304, -1000,
-	6363, 538, -1000, 576, 538, 576, 576, -1000, -1000, 9266,
-	-1000, -1000, -1000, -1000, 682, -1000, 863, 642, 644, -1000,
-	-1000, 5835, 538, 609, 135, 936, 9069, 6363, 4465, 909,
-	283, -1000, -1000, -1000, -199, -197, -1000, -1000, 538, 9463,
-	9463, -1000, 508, -1000, 423, 228, 228, -1000, 824, 448,
-	437, 426, 507, 500, 228, 228, 424, 498, 578, 411,
-	401, 400, 428, 495, 213, 427, 425, 418, 9660, 61,
-	-1000, 560, -1000, 884, 180, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 699, -1000, -1000, -1000, -1000, -1000,
-	-1000, -98, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, 623, -1000, -1000, 244, 606, -1000, 601,
-	647, 582, -1000, 228, 228, 663, 663, 663, -1000, 9266,
-	-1000, -1000, -1000, 577, -1, 692, 567, 9463, -1000, -1000,
-	-1000, -1000, 283, 320, -1000, 283, -1000, -1000, -1000, -1000,
-	-1000, -1000, 745, 1055, 828, -1000, 6624, 6624, -1000, -1000,
-	576, 5571, -1000, -1000, 8475, -1000, -1000, 3580, 5571, 4170,
-	-1000, -1000, -1000, 1373, 432, 1373, -120, 684, 276, -1000,
-	6363, 391, -1000, -1000, -1000, -1000, -1000, -1000, 944, 8278,
-	883, -1000, 663, -1000, -1000, 675, 8872, 8872, 909, -1000,
-	283, -1000, -1000, -1000, -1000, -1000, -1000, 538, 538, -1000,
-	-1000, 423, 423, -1000, -1000, -1000, -1000, -1000, -1000, 494,
-	493, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	186, 186, 67, 186, 186, 186, 186, 186, -45, -46,
+	186, 186, 186, 186, 186, 186, 186, 186, 186, 186,
+	186, 186, 186, -1000, -1000, -1000, 554, 179, 202, -1000,
+	-1000, -1000, -1000, 881, -1000, 1311, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 296, 318,
+	-1000, 877, -1000, 876, 499, 961, 421, 145, 137, -30,
+	-1000, -1000, 470, 2, 2, -1000, -1000, -1000, 830, -1000,
+	-1000, -1000, 498, 498, -1000, -1000, -1000, -1000, 468, -1000,
+	-1000, -1000, 467, -1000, -1000, 840, -1000, 59, -1000, 9331,
+	9331, 9331, -1000, 235, 190, 69, 43, 37, 36, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 9331, -1000, -1000,
+	497, -1000, -1000, -1000, 491, 6416, -1000, 236, 950, -1000,
+	6416, -1000, -1000, 802, 178, 309, -1000, -1000, 366, -1000,
+	-1000, 279, 279, 1032, -1000, -1000, -1000, -1000, 347, 6678,
+	6678, 6678, 964, 1032, 1466, 1103, 812, 133, 324, 324,
+	154, 154, 154, 154, 154, 504, 504, -1000, -1000, -1000,
+	535, -1000, -1000, -1000, 535, 5621, 654, -1000, -1000, 6944,
+	123, 688, 122, -1000, -1000, 535, 579, 579, 294, 386,
+	579, 5621, 313, -1000, 6416, 535, -1000, 579, 535, 579,
+	579, -1000, -1000, 9331, -1000, -1000, -1000, -1000, 689, -1000,
+	842, 639, 647, -1000, -1000, 5886, 535, 610, 120, 942,
+	9133, 6416, 4511, 915, 279, -1000, -1000, -1000, -181, -195,
+	-1000, -1000, 535, 9529, 9529, -1000, 490, -1000, 421, 186,
+	186, -1000, 828, 463, 459, 453, 489, 486, 186, 186,
+	431, 485, 573, 427, 424, 417, 458, 484, 717, 456,
+	378, 368, 9727, 58, -1000, 554, -1000, 875, 179, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 736, -1000,
+	-1000, -1000, -1000, -1000, -1000, -94, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 629, -1000, -1000,
+	219, 606, -1000, 587, 651, 581, -1000, 186, 186, 688,
+	688, 688, -1000, 9331, -1000, -1000, -1000, 571, 1, 733,
+	569, 9529, -1000, -1000, -1000, -1000, 279, 331, -1000, 279,
+	-1000, -1000, -1000, -1000, -1000, -1000, 964, 1032, 1426, -1000,
+	6678, 6678, -1000, -1000, 579, 5621, -1000, -1000, 8536, -1000,
+	-1000, 3623, 5621, 4215, -1000, -1000, -1000, 649, 465, 649,
+	-120, 684, 198, -1000, 6416, 382, -1000, -1000, -1000, -1000,
+	-1000, -1000, 950, 8338, 874, -1000, 688, -1000, -1000, 696,
+	8935, 8935, 915, -1000, 279, -1000, -1000, -1000, -1000, -1000,
+	-1000, 535, 535, -1000, -1000, 421, 421, -1000, -1000, -1000,
+	-1000, -1000, -1000, 483, 482, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, 688, -1000, 923, 687, 61, 560, 376, -1000,
-	-1000, -1000, -1000, -1000, 475, -1000, 383, -1000, 351, 553,
-	246, 8872, 8872, 8872, -1000, -1000, -1000, 803, -1000, -1000,
-	-1000, -1000, -1000, 6624, 1055, 1055, -1000, -1000, -1000, -1000,
-	130, 538, -1000, 538, 665, 665, -1000, 665, 686, -1000,
-	665, 24, 665, 23, 538, 538, 663, -116, -1000, 283,
-	6363, 942, 646, 681, -1000, -1000, -1000, 875, 7090, 7287,
-	950, -1000, 663, -1000, 705, 124, -1000, -1000, 663, -153,
-	-1000, -1000, -1000, -1000, 8872, -1000, -1000, -1000, -1000, 8872,
-	666, 61, -1000, 610, -1000, 548, 544, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 566, -1000, 665, 566, 566, 556,
-	1055, 3285, -1000, -1000, -1000, 113, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 6624, 538, 433, 283, 940, 911,
-	8278, 8278, 8278, 8278, -1000, 771, 770, -1000, 748, 742,
-	775, 9266, -1000, 564, 7090, 145, -1000, 8081, -1000, -1000,
-	9069, 644, 538, 8872, -151, -1000, 350, 551, 547, 8872,
-	664, -1000, -1000, -1000, -1000, 8872, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, 156, -1000, -1000, -1000, 6363, 6363, 681,
-	661, 600, -1000, -1000, -1000, -1000, 750, -1000, 749, -1000,
-	-1000, -1000, -1000, -1000, 84, 79, 75, -1000, 621, -1000,
-	-1000, 543, -1000, 539, -1000, -1000, -1000, 537, 8872, 157,
-	-1000, 102, 381, 538, 89, -127, 283, 532, 6363, 6363,
-	-1000, -1000, 663, 663, 663, -151, -1000, 792, 101, 101,
-	-1000, 535, 841, -1000, -1000, -1000, 228, 387, 904, 841,
-	-1000, -1000, 896, 841, -1000, -1000, 785, -123, -135, 283,
-	283, 8872, 8872, 8872, -1000, 194, -1000, 228, -1000, 346,
-	893, 101, -1000, -1000, 228, 228, 344, -1000, -1000, -1000,
-	-1000, 531, -1000, 779, -1000, 530, -1000, 530, 530, 663,
-	326, -1000, 525, 101, 553, 553, -1000, -1000, -125, -1000,
-	8872, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -128, -1000,
-	-148, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, 732, -1000, 926, 730,
+	58, 554, 405, -1000, -1000, -1000, -1000, -1000, 480, -1000,
+	399, -1000, 377, 531, 216, 8935, 8935, 8935, -1000, -1000,
+	-1000, 826, -1000, -1000, -1000, -1000, -1000, 6678, 1032, 1032,
+	-1000, -1000, -1000, -1000, 116, 535, -1000, 535, 695, 695,
+	-1000, 695, 729, -1000, 695, 20, 695, 19, 535, 535,
+	688, -116, -1000, 279, 6416, 948, 650, 779, -1000, -1000,
+	-1000, 867, 7145, 7343, 960, -1000, 688, -1000, 709, 110,
+	-1000, -1000, 688, -152, -1000, -1000, -1000, -1000, 8935, -1000,
+	-1000, -1000, -1000, 8935, 727, 58, -1000, 623, -1000, 582,
+	539, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 566, -1000,
+	695, 566, 566, 520, 1032, 3327, -1000, -1000, -1000, 98,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 6678, 535,
+	477, 279, 945, 917, 8338, 8338, 8338, 8338, -1000, 789,
+	775, -1000, 767, 763, 808, 9331, -1000, 563, 7145, 130,
+	-1000, 8140, -1000, -1000, 9133, 647, 535, 8935, -149, -1000,
+	371, 561, 553, 8935, 694, -1000, -1000, -1000, -1000, 8935,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 349, -1000, -1000,
+	-1000, 6416, 6416, 779, 690, 605, -1000, -1000, -1000, -1000,
+	773, -1000, 769, -1000, -1000, -1000, -1000, -1000, 79, 78,
+	72, -1000, 641, -1000, -1000, 542, -1000, 517, -1000, -1000,
+	-1000, 538, 8935, 176, -1000, 111, 370, 535, 77, -133,
+	279, 634, 6416, 6416, -1000, -1000, 688, 688, 688, -149,
+	-1000, 814, 105, 105, -1000, 534, 855, -1000, -1000, -1000,
+	186, 476, 927, 855, -1000, -1000, 903, 855, -1000, -1000,
+	801, -125, -145, 279, 279, 8935, 8935, 8935, -1000, 150,
+	-1000, 186, -1000, 350, 901, 105, -1000, -1000, 186, 186,
+	358, -1000, -1000, -1000, -1000, 503, -1000, 796, -1000, 516,
+	-1000, 516, 516, 688, 315, -1000, 469, 105, 531, 531,
+	-1000, -1000, -130, -1000, 8935, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -143, -1000, -146, -1000,
 }
-
 var yyPgo = [...]int{
-	0, 12, 11, 1253, 1252, 1251, 25, 1248, 1247, 1244,
-	1243, 1242, 1240, 1239, 36, 805, 1236, 1235, 1234, 1233,
-	1232, 1231, 1228, 1227, 1226, 1225, 1224, 1221, 1220, 1205,
-	1204, 281, 1203, 1202, 1201, 41, 1197, 73, 1196, 85,
-	1191, 1187, 1186, 43, 232, 39, 33, 28, 1185, 30,
-	19, 52, 1181, 1180, 10, 1177, 42, 1176, 1175, 54,
-	78, 1171, 1170, 45, 1156, 1155, 1154, 2, 22, 1153,
-	60, 1152, 1151, 76, 209, 1149, 1148, 1147, 1145, 1144,
-	1143, 53, 6, 13, 8, 26, 1140, 46, 20, 1139,
-	50, 1136, 1135, 1133, 1128, 44, 1122, 72, 1120, 32,
-	67, 1116, 49, 21, 48, 1115, 1114, 70, 88, 77,
-	71, 1103, 65, 1102, 1098, 158, 1092, 1090, 1089, 800,
-	1088, 371, 414, 1084, 57, 1083, 35, 0, 16, 17,
-	29, 1081, 51, 1093, 31, 9, 1079, 1077, 1455, 27,
-	79, 24, 1076, 1074, 1073, 1072, 1071, 1070, 1067, 229,
-	1066, 1065, 1064, 1060, 1059, 1058, 1057, 1056, 1055, 1054,
-	1052, 1051, 1050, 1049, 1047, 1039, 1038, 1037, 1035, 1034,
-	1030, 1029, 1028, 1027, 1026, 1025, 1024, 1023, 40, 1022,
-	1021, 1019, 15, 58, 34, 56, 1018, 1015, 1014, 74,
-	14, 1013, 1008, 1007, 1006, 63, 69, 1005, 75, 47,
-	55, 1004, 1003, 999, 62, 7, 23, 998, 18, 996,
-	994, 4, 5, 993, 992, 991, 988, 986, 985, 983,
-	1, 981, 979, 61, 978, 977, 59, 3, 975, 974,
-	973, 971, 89, 119, 968, 125,
-}
 
+	0, 22, 23, 1282, 1277, 1275, 25, 1274, 1273, 1269,
+	1268, 1266, 1261, 1260, 42, 819, 1259, 1256, 1255, 1252,
+	1251, 1250, 1248, 1247, 1246, 1245, 1244, 1243, 1242, 1241,
+	1239, 179, 1237, 1236, 1235, 40, 1232, 79, 1231, 85,
+	1230, 1229, 1228, 39, 75, 44, 33, 204, 1227, 29,
+	19, 17, 1226, 1225, 15, 1224, 53, 1222, 1221, 57,
+	83, 1219, 1218, 37, 1205, 1204, 1203, 6, 28, 1202,
+	61, 1199, 1198, 77, 1033, 1189, 1185, 1183, 1182, 1181,
+	1180, 48, 11, 26, 1, 16, 1179, 69, 12, 1178,
+	56, 1177, 1176, 1175, 1174, 32, 1172, 76, 1171, 52,
+	71, 1170, 49, 14, 45, 1169, 1168, 67, 88, 82,
+	90, 1167, 72, 1166, 1164, 163, 1163, 1162, 1161, 816,
+	1155, 394, 404, 1153, 58, 1151, 35, 0, 4, 18,
+	34, 1134, 54, 1120, 36, 13, 1132, 1130, 1470, 30,
+	87, 31, 1128, 1126, 1125, 1122, 1114, 1110, 1105, 55,
+	1103, 1101, 1099, 1098, 1094, 1089, 1087, 1085, 1082, 1080,
+	1066, 1064, 1061, 1059, 1058, 1057, 1055, 1054, 1053, 1051,
+	1050, 1049, 1048, 1045, 1043, 1042, 1041, 1040, 20, 1039,
+	1038, 1037, 21, 60, 24, 65, 1036, 1035, 1034, 78,
+	27, 1029, 1028, 1027, 1026, 59, 41, 1025, 74, 47,
+	46, 1024, 1023, 1022, 73, 10, 8, 1020, 9, 1017,
+	1011, 5, 7, 1009, 1008, 1007, 999, 998, 992, 986,
+	2, 984, 983, 62, 980, 978, 63, 3, 977, 976,
+	975, 974, 50, 84, 973, 129,
+}
 var yyR1 = [...]int{
+
 	0, 230, 231, 231, 13, 13, 13, 13, 13, 13,
 	13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
 	13, 13, 13, 14, 14, 14, 15, 16, 16, 17,
@@ -1977,41 +1986,41 @@ var yyR1 = [...]int{
 	64, 64, 7, 26, 8, 9, 10, 10, 11, 11,
 	11, 11, 12, 12, 12, 12, 12, 12, 12, 12,
 	12, 27, 27, 27, 27, 27, 27, 27, 27, 27,
-	27, 27, 27, 27, 27, 27, 27, 27, 42, 42,
-	62, 62, 62, 59, 59, 60, 60, 61, 61, 58,
-	58, 63, 63, 63, 30, 28, 29, 29, 29, 29,
-	234, 31, 32, 32, 33, 33, 33, 39, 39, 39,
-	37, 37, 38, 38, 45, 45, 44, 44, 46, 46,
-	46, 46, 131, 131, 131, 130, 130, 48, 48, 49,
-	49, 50, 50, 51, 51, 51, 65, 52, 52, 52,
-	52, 137, 137, 136, 136, 136, 135, 135, 53, 53,
-	53, 53, 54, 54, 54, 54, 55, 55, 57, 57,
-	56, 56, 66, 66, 66, 66, 67, 67, 68, 68,
-	47, 47, 47, 47, 47, 47, 47, 120, 120, 70,
-	70, 69, 69, 69, 69, 69, 69, 69, 69, 69,
-	69, 80, 80, 80, 80, 80, 80, 71, 71, 71,
-	71, 71, 71, 71, 43, 43, 81, 81, 81, 87,
-	82, 82, 74, 74, 74, 74, 74, 74, 74, 74,
+	27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
+	42, 42, 62, 62, 62, 59, 59, 60, 60, 61,
+	61, 58, 58, 63, 63, 63, 30, 28, 29, 29,
+	29, 29, 234, 31, 32, 32, 33, 33, 33, 39,
+	39, 39, 37, 37, 38, 38, 45, 45, 44, 44,
+	46, 46, 46, 46, 131, 131, 131, 130, 130, 48,
+	48, 49, 49, 50, 50, 51, 51, 51, 65, 52,
+	52, 52, 52, 137, 137, 136, 136, 136, 135, 135,
+	53, 53, 53, 53, 54, 54, 54, 54, 55, 55,
+	57, 57, 56, 56, 66, 66, 66, 66, 67, 67,
+	68, 68, 47, 47, 47, 47, 47, 47, 47, 120,
+	120, 70, 70, 69, 69, 69, 69, 69, 69, 69,
+	69, 69, 69, 80, 80, 80, 80, 80, 80, 71,
+	71, 71, 71, 71, 71, 71, 43, 43, 81, 81,
+	81, 87, 82, 82, 74, 74, 74, 74, 74, 74,
 	74, 74, 74, 74, 74, 74, 74, 74, 74, 74,
 	74, 74, 74, 74, 74, 74, 74, 74, 74, 74,
-	74, 74, 78, 78, 78, 76, 76, 76, 76, 76,
-	76, 76, 76, 76, 77, 77, 77, 77, 77, 77,
-	77, 77, 235, 235, 79, 79, 79, 79, 40, 40,
-	40, 40, 40, 139, 139, 141, 141, 141, 141, 141,
-	141, 141, 141, 141, 141, 141, 141, 141, 91, 91,
-	41, 41, 89, 89, 90, 92, 92, 88, 88, 88,
-	73, 73, 73, 73, 73, 73, 73, 75, 75, 75,
-	93, 93, 94, 94, 95, 95, 96, 96, 97, 98,
-	98, 98, 99, 99, 99, 99, 100, 100, 100, 72,
-	72, 72, 72, 72, 72, 101, 101, 101, 101, 102,
-	102, 83, 83, 85, 85, 84, 86, 103, 103, 104,
-	105, 105, 108, 108, 107, 107, 107, 107, 107, 116,
-	116, 115, 115, 115, 106, 106, 109, 109, 113, 113,
-	112, 114, 114, 114, 114, 111, 111, 110, 110, 140,
-	140, 140, 118, 118, 121, 121, 122, 122, 119, 119,
-	123, 123, 123, 123, 123, 123, 123, 123, 123, 123,
-	124, 124, 124, 125, 125, 218, 218, 128, 128, 129,
-	129, 133, 133, 134, 134, 126, 126, 126, 126, 126,
+	74, 74, 74, 74, 78, 78, 78, 76, 76, 76,
+	76, 76, 76, 76, 76, 76, 77, 77, 77, 77,
+	77, 77, 77, 77, 235, 235, 79, 79, 79, 79,
+	40, 40, 40, 40, 40, 139, 139, 141, 141, 141,
+	141, 141, 141, 141, 141, 141, 141, 141, 141, 141,
+	91, 91, 41, 41, 89, 89, 90, 92, 92, 88,
+	88, 88, 73, 73, 73, 73, 73, 73, 73, 75,
+	75, 75, 93, 93, 94, 94, 95, 95, 96, 96,
+	97, 98, 98, 98, 99, 99, 99, 99, 100, 100,
+	100, 72, 72, 72, 72, 72, 72, 101, 101, 101,
+	101, 102, 102, 83, 83, 85, 85, 84, 86, 103,
+	103, 104, 105, 105, 108, 108, 107, 107, 107, 107,
+	107, 116, 116, 115, 115, 115, 106, 106, 109, 109,
+	113, 113, 112, 114, 114, 114, 114, 111, 111, 110,
+	110, 140, 140, 140, 118, 118, 121, 121, 122, 122,
+	119, 119, 123, 123, 123, 123, 123, 123, 123, 123,
+	123, 123, 124, 124, 124, 125, 125, 218, 218, 128,
+	128, 129, 129, 133, 133, 134, 134, 126, 126, 126,
 	126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
 	126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
 	126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
@@ -2023,7 +2032,7 @@ var yyR1 = [...]int{
 	126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
 	126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
 	126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
-	126, 126, 126, 126, 126, 126, 126, 127, 127, 127,
+	126, 126, 126, 126, 126, 126, 126, 126, 126, 127,
 	127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
 	127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
 	127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
@@ -2031,10 +2040,10 @@ var yyR1 = [...]int{
 	127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
 	127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
 	127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
-	232, 233, 138,
+	127, 127, 232, 233, 138,
 }
-
 var yyR2 = [...]int{
+
 	0, 2, 0, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 4, 6, 7, 10, 1, 3, 1,
@@ -2070,40 +2079,41 @@ var yyR2 = [...]int{
 	1, 3, 3, 3, 2, 2, 3, 4, 2, 3,
 	2, 2, 4, 4, 3, 6, 3, 3, 4, 4,
 	4, 6, 5, 5, 3, 3, 5, 6, 7, 3,
-	3, 3, 5, 3, 3, 3, 3, 3, 0, 3,
-	1, 1, 1, 0, 2, 1, 1, 0, 1, 1,
-	1, 0, 2, 2, 4, 2, 2, 2, 2, 2,
-	0, 2, 0, 2, 1, 2, 2, 0, 1, 1,
-	0, 1, 0, 1, 0, 1, 1, 3, 1, 2,
-	3, 5, 0, 1, 2, 1, 1, 0, 2, 1,
-	3, 1, 1, 1, 3, 3, 3, 3, 5, 5,
-	3, 0, 1, 0, 1, 2, 1, 1, 1, 2,
-	2, 1, 2, 3, 2, 3, 2, 2, 2, 1,
-	1, 3, 0, 5, 5, 5, 1, 3, 0, 2,
-	1, 3, 3, 2, 3, 1, 2, 0, 3, 1,
-	1, 3, 3, 4, 4, 5, 3, 4, 5, 6,
-	2, 1, 2, 1, 2, 1, 2, 1, 1, 1,
-	1, 1, 1, 1, 0, 2, 1, 1, 1, 3,
-	1, 3, 1, 1, 1, 1, 1, 3, 3, 3,
+	3, 3, 5, 3, 3, 3, 3, 3, 3, 3,
+	0, 3, 1, 1, 1, 0, 2, 1, 1, 0,
+	1, 1, 1, 0, 2, 2, 4, 2, 2, 2,
+	2, 2, 0, 2, 0, 2, 1, 2, 2, 0,
+	1, 1, 0, 1, 0, 1, 0, 1, 1, 3,
+	1, 2, 3, 5, 0, 1, 2, 1, 1, 0,
+	2, 1, 3, 1, 1, 1, 3, 3, 3, 3,
+	5, 5, 3, 0, 1, 0, 1, 2, 1, 1,
+	1, 2, 2, 1, 2, 3, 2, 3, 2, 2,
+	2, 1, 1, 3, 0, 5, 5, 5, 1, 3,
+	0, 2, 1, 3, 3, 2, 3, 1, 2, 0,
+	3, 1, 1, 3, 3, 4, 4, 5, 3, 4,
+	5, 6, 2, 1, 2, 1, 2, 1, 2, 1,
+	1, 1, 1, 1, 1, 1, 0, 2, 1, 1,
+	1, 3, 1, 3, 1, 1, 1, 1, 1, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
-	3, 3, 2, 2, 2, 2, 2, 3, 1, 1,
-	1, 1, 4, 5, 6, 4, 4, 6, 6, 6,
-	9, 7, 5, 4, 2, 2, 2, 2, 2, 2,
-	2, 2, 0, 2, 4, 4, 4, 4, 0, 3,
-	4, 7, 3, 1, 1, 2, 3, 3, 1, 2,
-	2, 1, 2, 1, 2, 2, 1, 2, 0, 1,
-	0, 2, 1, 2, 4, 0, 2, 1, 3, 5,
-	1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
-	0, 3, 0, 2, 0, 3, 1, 3, 2, 0,
-	1, 1, 0, 2, 4, 4, 0, 2, 4, 2,
-	1, 3, 5, 4, 6, 1, 3, 3, 5, 0,
-	5, 1, 3, 1, 2, 3, 1, 1, 3, 3,
-	1, 3, 1, 2, 3, 3, 3, 2, 3, 1,
-	2, 1, 1, 1, 2, 3, 2, 2, 0, 2,
-	3, 2, 2, 2, 1, 0, 2, 2, 2, 1,
-	1, 1, 1, 1, 0, 2, 0, 3, 0, 1,
+	3, 3, 3, 3, 2, 2, 2, 2, 2, 3,
+	1, 1, 1, 1, 4, 5, 6, 4, 4, 6,
+	6, 6, 9, 7, 5, 4, 2, 2, 2, 2,
+	2, 2, 2, 2, 0, 2, 4, 4, 4, 4,
+	0, 3, 4, 7, 3, 1, 1, 2, 3, 3,
+	1, 2, 2, 1, 2, 1, 2, 2, 1, 2,
+	0, 1, 0, 2, 1, 2, 4, 0, 2, 1,
+	3, 5, 1, 1, 1, 1, 1, 1, 1, 1,
+	2, 2, 0, 3, 0, 2, 0, 3, 1, 3,
+	2, 0, 1, 1, 0, 2, 4, 4, 0, 2,
+	4, 2, 1, 3, 5, 4, 6, 1, 3, 3,
+	5, 0, 5, 1, 3, 1, 2, 3, 1, 1,
+	3, 3, 1, 3, 1, 2, 3, 3, 3, 2,
+	3, 1, 2, 1, 1, 1, 2, 3, 2, 2,
+	0, 2, 3, 2, 2, 2, 1, 0, 2, 2,
+	2, 1, 1, 1, 1, 1, 0, 2, 0, 3,
+	0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+	1, 1, 0, 1, 1, 1, 1, 0, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-	0, 1, 1, 1, 1, 0, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
@@ -2123,186 +2133,185 @@ var yyR2 = [...]int{
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-	1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-	1, 1, 0,
+	1, 1, 1, 1, 0,
 }
-
 var yyChk = [...]int{
+
 	-1000, -230, -13, -14, -18, -19, -20, -21, -22, -23,
 	-24, -7, -26, -27, -30, -28, -8, -9, -10, -11,
 	-12, -29, -15, -16, 6, -34, 8, 9, 42, -25,
-	123, 124, 125, 146, 127, 139, 45, 62, 264, 141,
-	271, 274, 275, 278, 277, 292, 38, 140, 144, 145,
-	-232, 7, 248, 65, -231, 300, -95, 14, -33, 5,
-	-31, -234, -31, -31, -31, -31, -200, 65, 240, -218,
-	22, 29, 130, 31, -119, 134, 130, 131, 240, 130,
-	130, 234, 123, 229, 266, -61, -62, 268, 269, 236,
-	130, 270, 232, 267, 231, 68, 44, 131, 26, 24,
-	130, -133, 68, -127, 254, 19, 201, 147, 166, 255,
-	297, 77, 200, 203, 204, 142, 162, 206, 205, 198,
-	156, 40, 196, 180, 272, 259, 238, 195, 157, 22,
-	181, 185, 279, 24, 208, 179, 25, 26, 256, 47,
-	183, 209, 51, 199, 210, 187, 186, 188, 169, 17,
-	211, 212, 182, 184, 258, 144, 213, 50, 192, 273,
-	275, 236, 197, 171, 160, 161, 146, 260, 132, 163,
-	292, 293, 295, 294, 296, 298, 299, -138, -138, 71,
-	258, -138, 276, -138, -138, 293, 295, 294, 296, 297,
-	299, 264, -138, -138, -138, -138, -14, -99, 16, 15,
-	-17, -15, -232, 6, 33, 34, -39, 52, 53, -32,
-	-119, -56, -133, 10, -105, -106, -108, 276, -140, -107,
-	280, 281, 279, -129, -116, 282, -128, -126, 170, 167,
-	68, -127, 83, 35, 37, 190, 86, 153, 118, 175,
-	15, 87, 164, 117, 237, 202, 249, 123, 60, 241,
-	242, 239, 240, 229, 158, 41, 9, 38, 140, 34,
-	111, 125, 90, 91, 266, 143, 36, 141, 80, 18,
-	63, 10, 44, 12, 13, 135, 134, 102, 131, 58,
-	7, 151, 152, 119, 39, 99, 54, 32, 56, 100,
-	16, 243, 244, 43, 178, 174, 253, 177, 150, 173,
-	113, 61, 48, 84, 78, 159, 81, 64, 145, 82,
-	14, 59, 269, 137, 268, 155, 101, 126, 248, 57,
-	6, 252, 42, 139, 149, 55, 130, 230, 176, 148,
-	172, 89, 133, 79, 270, 5, 31, 193, 8, 62,
-	136, 245, 246, 247, 46, 168, 165, 267, 257, 88,
-	11, 194, -229, 279, 273, 265, 261, -201, -196, -132,
-	68, -127, -122, 135, 131, 131, 131, -122, 130, -121,
-	135, 68, -121, -56, -56, 233, 130, 240, -138, -138,
-	230, -58, 237, 238, -60, 10, 102, -138, -138, -138,
-	236, -138, -138, -138, -138, -138, -56, -138, 71, -138,
-	-84, -232, -84, -138, -56, -138, -138, 298, 277, 278,
-	-233, 67, -100, 18, 43, -47, -69, 84, -74, 41,
-	36, -73, -70, -88, -86, -87, 118, 107, 108, 115,
-	85, 119, -78, -76, -77, -79, 70, 69, 71, 72,
-	73, 74, 78, 79, 80, -128, -133, -84, -232, 56,
-	57, 249, 250, 253, 251, 87, 46, 239, 247, 246,
-	245, 243, 244, 241, 242, 135, 240, 113, 248, 68,
-	-127, -96, -97, -47, -95, -14, -31, 48, -37, 34,
-	76, -57, 39, -56, 42, 120, -56, 66, -109, -112,
-	-110, 283, 285, -107, 276, 92, -115, -128, 70, 41,
-	-115, 42, 15, 15, 67, 66, -142, -145, -147, -146,
-	-148, -143, -144, 164, 165, 118, 168, 171, 172, 173,
-	174, 175, 176, 177, 178, 179, 180, 42, 142, 160,
-	161, 162, 163, 181, 182, 183, 184, 185, 186, 187,
-	188, 147, 166, 255, 148, 149, 150, 151, 152, 153,
-	155, 156, 157, 158, 159, -133, 84, 68, 68, 68,
-	-56, -56, -64, -56, 36, 64, -133, -42, 10, -56,
-	-133, -59, -60, -60, -56, -59, -138, -138, -138, -82,
-	-47, -138, -124, 133, 35, -138, -138, -138, 8, 102,
-	83, 82, 99, 66, 17, -47, -71, 102, 84, 100,
-	101, 86, 104, 103, 114, 107, 108, 109, 110, 111,
-	112, 113, 105, 106, 117, 92, 93, 94, 95, 96,
-	97, 98, -120, -232, -87, -232, 121, 122, -74, -74,
-	-74, -74, -74, -74, -232, 120, -14, -232, -232, -232,
-	-232, -232, -232, -232, -91, -47, -232, -235, -232, -235,
-	-235, -235, -235, -235, -235, -235, -232, -232, -232, -232,
-	66, -98, 37, 38, -99, -233, -39, -75, -128, 71,
-	74, -38, 55, -72, 42, 46, -14, -232, -56, -103,
-	-104, -88, -128, -133, -134, -133, -126, 167, 170, -68,
-	11, -108, -140, -111, 66, -113, 66, 284, 286, 287,
-	-109, 64, 81, -47, -179, 117, -232, 263, 23, -202,
-	-203, -204, -157, -153, -155, -156, -158, -159, -160, -161,
-	-162, -163, -164, -165, -166, -167, -168, -169, -170, -171,
-	-172, -173, -174, -175, -176, -177, 77, 272, -185, 190,
-	201, 45, 202, 203, 204, 131, 206, 207, 208, 25,
-	209, 210, 211, 212, 213, 214, 215, 216, 217, 41,
-	-196, -197, -198, -5, -4, 131, 32, 29, 22, 21,
-	-221, -222, -223, -191, -150, -192, -193, -194, -151, -36,
-	-152, -180, -181, 78, 84, 41, 190, 137, 32, 31,
-	77, 64, 117, 200, 197, -187, 193, -149, 65, -149,
-	-149, -149, -149, -178, 167, -178, -178, -178, 65, 65,
-	-149, -149, -149, -189, 65, -189, -189, -190, 65, -190,
-	-224, -225, -226, -185, 36, 64, 64, 64, -123, 126,
-	272, 249, 128, 125, 129, 124, 190, 167, 77, 41,
-	14, 260, 68, 66, -56, -99, 235, -138, -138, -63,
-	100, 11, -133, -56, -59, -138, 66, -233, -56, 50,
-	-47, -47, -80, 78, 84, 79, 80, -47, -47, -74,
-	-81, -84, -87, 75, 102, 100, 101, 86, -74, -74,
-	-74, -74, -74, -74, -74, -74, -74, -74, -74, -74,
-	-74, -74, -74, -139, 68, 70, 68, -73, -73, -128,
-	-45, 34, -44, -46, 109, -47, -133, -129, -134, -126,
-	-233, -14, -44, -44, -47, -47, -44, -37, -89, -90,
-	88, -128, -233, -44, -45, -44, -44, -97, -100, -118,
-	18, 10, 46, 46, -44, -102, 64, -103, -83, -85,
-	-84, -232, -14, -101, -128, -68, 66, 92, 120, -95,
-	-47, -110, -112, -114, 288, 285, 291, 68, -132, -232,
-	-232, -204, -184, 92, -184, 117, -183, 170, 167, -184,
-	-184, -184, -184, -184, 205, 205, -184, -184, -184, -184,
-	-184, -184, -184, -184, -184, -184, -184, -184, -184, -6,
-	68, -199, -198, 137, 31, 30, -223, 78, 70, 71,
-	72, 78, -35, -70, -117, 239, 243, 244, 32, 32,
-	70, 8, -182, 68, 70, 195, 196, 41, 41, 198,
-	199, -188, 194, 71, -178, -178, 42, -195, 70, -195,
-	71, 71, -226, 117, -183, -56, -56, -56, -138, -124,
-	-125, 131, 32, 92, 133, 138, 138, 138, -56, -138,
-	70, 70, -47, -59, -68, -47, -138, 51, 78, 79,
-	80, -81, -74, -74, -74, -43, 143, 83, -233, -233,
-	-44, 66, -131, -130, 35, -128, 70, 120, -232, 120,
-	-233, -233, -233, 66, 136, 35, -233, -44, -92, -90,
-	90, -47, -233, -233, -233, -233, -233, -56, -48, 10,
-	40, -102, 66, -233, -233, -233, 66, 120, -95, -104,
-	-47, -129, -99, 285, 289, 290, -233, -132, -132, 70,
-	-182, -184, -184, 42, 71, 71, 71, 70, 70, -184,
-	-184, 71, 70, 68, 71, 71, 71, 71, 41, 70,
-	41, 196, 195, 218, 219, 220, 221, 222, 223, 224,
-	225, 226, 227, 228, 71, 41, 71, 41, 71, 41,
-	68, -127, -2, -1, 136, -6, 32, -199, 65, -35,
-	67, 68, 118, 67, 66, 67, 66, 67, 66, -184,
-	-184, -232, -232, -232, -56, -138, 68, 167, -200, 68,
-	-196, -63, -43, 83, -74, -74, -233, -46, -130, 109,
-	-134, -45, -129, -141, 118, 164, 142, 162, 158, 179,
-	169, 192, 160, 193, -139, -141, 254, -95, 91, -47,
-	89, -68, -49, -50, -51, -52, -65, -87, -232, -56,
-	32, -85, 46, -14, -232, -128, -128, -99, -233, -233,
-	-182, -182, 70, 70, 65, -3, 23, 20, 28, 65,
-	-2, -6, 67, 71, 70, 71, 71, -220, 68, 41,
-	-186, 68, 118, 41, -206, -205, -128, -206, -206, 42,
-	-74, 120, -233, -233, -149, -149, -149, -190, -149, 152,
-	-149, 152, -233, -233, -232, -41, 252, -47, -93, 12,
-	66, -53, -54, -55, 54, 58, 60, 55, 56, 57,
-	61, -137, 35, -49, -232, -136, -135, 35, -133, 70,
-	8, -83, -14, 120, -232, -154, 262, -206, -206, 65,
-	-2, 67, 67, 67, -233, 66, -149, -233, -233, 68,
-	109, -178, 68, -74, -233, 70, -94, 13, 15, -50,
-	-51, -50, -51, 54, 54, 54, 59, 54, 59, 54,
-	-54, -133, -233, -66, 62, 134, 63, -135, -103, -233,
-	-128, -228, -227, 261, 71, 67, 67, -206, 65, -209,
-	-205, -207, -210, -40, 102, 257, -47, -82, 64, 64,
-	54, 54, 131, 131, 131, 66, -233, 68, -211, -211,
-	67, -206, -208, -216, -212, -214, 25, 77, 136, -208,
-	-213, -212, 257, -208, -212, -233, 255, 61, 258, -47,
-	-47, -232, -232, -232, -227, 46, -217, 25, -1, 77,
-	257, -211, 67, -215, 43, 19, -184, 70, -219, 23,
-	20, 27, 51, 256, 259, -67, -128, -67, -67, 102,
-	-184, 70, 27, -211, -184, -184, 71, 68, 51, -233,
-	66, -233, -233, -84, 71, 68, -220, -220, 257, -128,
-	258, 259,
+	123, 124, 125, 146, 127, 139, 45, 62, 265, 141,
+	272, 275, 276, 279, 278, 293, 38, 140, 144, 145,
+	-232, 7, 249, 65, -231, 301, -95, 14, -33, 5,
+	-31, -234, -31, -31, -31, -31, -200, 65, 241, -218,
+	22, 29, 130, 31, -119, 134, 130, 131, 241, 130,
+	130, 235, 123, 230, 267, -61, -62, 269, 270, 237,
+	130, 271, 233, 268, 232, 229, 170, 68, 44, 131,
+	26, 24, 130, -133, 68, -127, 255, 19, 201, 147,
+	166, 256, 298, 77, 200, 203, 204, 142, 162, 206,
+	205, 198, 156, 40, 196, 180, 273, 260, 239, 195,
+	157, 22, 181, 185, 280, 24, 208, 179, 25, 26,
+	257, 47, 183, 209, 51, 199, 210, 187, 186, 188,
+	169, 17, 211, 212, 182, 184, 259, 144, 213, 50,
+	192, 274, 276, 237, 197, 171, 160, 161, 146, 261,
+	132, 163, 293, 294, 296, 295, 297, 299, 300, -138,
+	-138, 71, 259, -138, 277, -138, -138, 294, 296, 295,
+	297, 298, 300, 265, -138, -138, -138, -138, -14, -99,
+	16, 15, -17, -15, -232, 6, 33, 34, -39, 52,
+	53, -32, -119, -56, -133, 10, -105, -106, -108, 277,
+	-140, -107, 281, 282, 280, -129, -116, 283, -128, -126,
+	170, 167, 68, -127, 83, 35, 37, 190, 86, 153,
+	118, 175, 15, 87, 164, 117, 238, 202, 250, 123,
+	60, 242, 243, 240, 241, 230, 158, 41, 9, 38,
+	140, 34, 111, 125, 90, 91, 267, 143, 36, 141,
+	80, 18, 63, 10, 44, 12, 13, 135, 134, 102,
+	131, 58, 7, 151, 152, 119, 39, 99, 54, 32,
+	56, 100, 16, 244, 245, 43, 178, 174, 254, 177,
+	150, 173, 113, 61, 48, 84, 78, 159, 81, 64,
+	145, 82, 14, 59, 270, 137, 269, 155, 101, 126,
+	249, 57, 6, 253, 42, 139, 149, 55, 130, 231,
+	176, 148, 172, 89, 133, 79, 271, 5, 31, 193,
+	8, 62, 136, 246, 247, 248, 46, 168, 165, 268,
+	258, 88, 11, 194, -229, 280, 274, 266, 262, -201,
+	-196, -132, 68, -127, -122, 135, 131, 131, 131, -122,
+	130, -121, 135, 68, -121, -56, -56, 234, 130, 241,
+	-138, -138, 231, -58, 238, 239, -60, 10, 102, -138,
+	-138, -138, 237, -138, -138, -138, -138, -138, -138, -138,
+	-56, -138, 71, -138, -84, -232, -84, -138, -56, -138,
+	-138, 299, 278, 279, -233, 67, -100, 18, 43, -47,
+	-69, 84, -74, 41, 36, -73, -70, -88, -86, -87,
+	118, 107, 108, 115, 85, 119, -78, -76, -77, -79,
+	70, 69, 71, 72, 73, 74, 78, 79, 80, -128,
+	-133, -84, -232, 56, 57, 250, 251, 254, 252, 87,
+	46, 240, 248, 247, 246, 244, 245, 242, 243, 135,
+	241, 113, 249, 68, -127, -96, -97, -47, -95, -14,
+	-31, 48, -37, 34, 76, -57, 39, -56, 42, 120,
+	-56, 66, -109, -112, -110, 284, 286, -107, 277, 92,
+	-115, -128, 70, 41, -115, 42, 15, 15, 67, 66,
+	-142, -145, -147, -146, -148, -143, -144, 164, 165, 118,
+	168, 171, 172, 173, 174, 175, 176, 177, 178, 179,
+	180, 42, 142, 160, 161, 162, 163, 181, 182, 183,
+	184, 185, 186, 187, 188, 147, 166, 256, 148, 149,
+	150, 151, 152, 153, 155, 156, 157, 158, 159, -133,
+	84, 68, 68, 68, -56, -56, -64, -56, 36, 64,
+	-133, -42, 10, -56, -133, -59, -60, -60, -56, -59,
+	-138, -138, -138, -82, -47, -138, -124, 133, 35, -138,
+	-138, -138, 8, 102, 83, 82, 99, 66, 17, -47,
+	-71, 102, 84, 100, 101, 86, 104, 103, 114, 107,
+	108, 109, 110, 111, 112, 113, 105, 106, 117, 92,
+	93, 94, 95, 96, 97, 98, -120, -232, -87, -232,
+	121, 122, -74, -74, -74, -74, -74, -74, -232, 120,
+	-14, -232, -232, -232, -232, -232, -232, -232, -91, -47,
+	-232, -235, -232, -235, -235, -235, -235, -235, -235, -235,
+	-232, -232, -232, -232, 66, -98, 37, 38, -99, -233,
+	-39, -75, -128, 71, 74, -38, 55, -72, 42, 46,
+	-14, -232, -56, -103, -104, -88, -128, -133, -134, -133,
+	-126, 167, 170, -68, 11, -108, -140, -111, 66, -113,
+	66, 285, 287, 288, -109, 64, 81, -47, -179, 117,
+	-232, 264, 23, -202, -203, -204, -157, -153, -155, -156,
+	-158, -159, -160, -161, -162, -163, -164, -165, -166, -167,
+	-168, -169, -170, -171, -172, -173, -174, -175, -176, -177,
+	77, 273, -185, 190, 201, 45, 202, 203, 204, 131,
+	206, 207, 208, 25, 209, 210, 211, 212, 213, 214,
+	215, 216, 217, 41, -196, -197, -198, -5, -4, 131,
+	32, 29, 22, 21, -221, -222, -223, -191, -150, -192,
+	-193, -194, -151, -36, -152, -180, -181, 78, 84, 41,
+	190, 137, 32, 31, 77, 64, 117, 200, 197, -187,
+	193, -149, 65, -149, -149, -149, -149, -178, 167, -178,
+	-178, -178, 65, 65, -149, -149, -149, -189, 65, -189,
+	-189, -190, 65, -190, -224, -225, -226, -185, 36, 64,
+	64, 64, -123, 126, 273, 250, 128, 125, 129, 124,
+	190, 167, 77, 41, 14, 261, 68, 66, -56, -99,
+	236, -138, -138, -63, 100, 11, -133, -56, -59, -138,
+	66, -233, -56, 50, -47, -47, -80, 78, 84, 79,
+	80, -47, -47, -74, -81, -84, -87, 75, 102, 100,
+	101, 86, -74, -74, -74, -74, -74, -74, -74, -74,
+	-74, -74, -74, -74, -74, -74, -74, -139, 68, 70,
+	68, -73, -73, -128, -45, 34, -44, -46, 109, -47,
+	-133, -129, -134, -126, -233, -14, -44, -44, -47, -47,
+	-44, -37, -89, -90, 88, -128, -233, -44, -45, -44,
+	-44, -97, -100, -118, 18, 10, 46, 46, -44, -102,
+	64, -103, -83, -85, -84, -232, -14, -101, -128, -68,
+	66, 92, 120, -95, -47, -110, -112, -114, 289, 286,
+	292, 68, -132, -232, -232, -204, -184, 92, -184, 117,
+	-183, 170, 167, -184, -184, -184, -184, -184, 205, 205,
+	-184, -184, -184, -184, -184, -184, -184, -184, -184, -184,
+	-184, -184, -184, -6, 68, -199, -198, 137, 31, 30,
+	-223, 78, 70, 71, 72, 78, -35, -70, -117, 240,
+	244, 245, 32, 32, 70, 8, -182, 68, 70, 195,
+	196, 41, 41, 198, 199, -188, 194, 71, -178, -178,
+	42, -195, 70, -195, 71, 71, -226, 117, -183, -56,
+	-56, -56, -138, -124, -125, 131, 32, 92, 133, 138,
+	138, 138, -56, -138, 70, 70, -47, -59, -68, -47,
+	-138, 51, 78, 79, 80, -81, -74, -74, -74, -43,
+	143, 83, -233, -233, -44, 66, -131, -130, 35, -128,
+	70, 120, -232, 120, -233, -233, -233, 66, 136, 35,
+	-233, -44, -92, -90, 90, -47, -233, -233, -233, -233,
+	-233, -56, -48, 10, 40, -102, 66, -233, -233, -233,
+	66, 120, -95, -104, -47, -129, -99, 286, 290, 291,
+	-233, -132, -132, 70, -182, -184, -184, 42, 71, 71,
+	71, 70, 70, -184, -184, 71, 70, 68, 71, 71,
+	71, 71, 41, 70, 41, 196, 195, 218, 219, 220,
+	221, 222, 223, 224, 225, 226, 227, 228, 71, 41,
+	71, 41, 71, 41, 68, -127, -2, -1, 136, -6,
+	32, -199, 65, -35, 67, 68, 118, 67, 66, 67,
+	66, 67, 66, -184, -184, -232, -232, -232, -56, -138,
+	68, 167, -200, 68, -196, -63, -43, 83, -74, -74,
+	-233, -46, -130, 109, -134, -45, -129, -141, 118, 164,
+	142, 162, 158, 179, 169, 192, 160, 193, -139, -141,
+	255, -95, 91, -47, 89, -68, -49, -50, -51, -52,
+	-65, -87, -232, -56, 32, -85, 46, -14, -232, -128,
+	-128, -99, -233, -233, -182, -182, 70, 70, 65, -3,
+	23, 20, 28, 65, -2, -6, 67, 71, 70, 71,
+	71, -220, 68, 41, -186, 68, 118, 41, -206, -205,
+	-128, -206, -206, 42, -74, 120, -233, -233, -149, -149,
+	-149, -190, -149, 152, -149, 152, -233, -233, -232, -41,
+	253, -47, -93, 12, 66, -53, -54, -55, 54, 58,
+	60, 55, 56, 57, 61, -137, 35, -49, -232, -136,
+	-135, 35, -133, 70, 8, -83, -14, 120, -232, -154,
+	263, -206, -206, 65, -2, 67, 67, 67, -233, 66,
+	-149, -233, -233, 68, 109, -178, 68, -74, -233, 70,
+	-94, 13, 15, -50, -51, -50, -51, 54, 54, 54,
+	59, 54, 59, 54, -54, -133, -233, -66, 62, 134,
+	63, -135, -103, -233, -128, -228, -227, 262, 71, 67,
+	67, -206, 65, -209, -205, -207, -210, -40, 102, 258,
+	-47, -82, 64, 64, 54, 54, 131, 131, 131, 66,
+	-233, 68, -211, -211, 67, -206, -208, -216, -212, -214,
+	25, 77, 136, -208, -213, -212, 258, -208, -212, -233,
+	256, 61, 259, -47, -47, -232, -232, -232, -227, 46,
+	-217, 25, -1, 77, 258, -211, 67, -215, 43, 19,
+	-184, 70, -219, 23, 20, 27, 51, 257, 260, -67,
+	-128, -67, -67, 102, -184, 70, 27, -211, -184, -184,
+	71, 68, 51, -233, 66, -233, -233, -84, 71, 68,
+	-220, -220, 258, -128, 259, 260,
 }
-
 var yyDef = [...]int{
+
 	0, -2, 2, -2, 5, 6, 7, 8, 9, 10,
 	11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
-	21, 22, 594, 0, 380, 380, 380, 380, 380, 0,
-	685, 668, 0, 0, 0, 367, 0, 0, 892, 892,
-	0, 892, 0, 892, 892, 0, 892, 892, 892, 892,
-	0, 33, 34, 890, 1, 3, 602, 0, 0, 384,
-	387, 382, 668, 0, 0, 0, 49, 0, 666, 0,
-	0, 0, 666, 686, 0, 669, 664, 0, 664, 0,
-	0, 0, 0, 892, 892, 0, 0, 892, 892, 892,
-	0, 892, 892, 892, 892, 892, 368, 360, 361, 362,
-	0, 375, 691, 692, 817, 818, 819, 820, 821, 822,
+	21, 22, 596, 0, 382, 382, 382, 382, 382, 0,
+	687, 670, 0, 0, 0, 369, 0, 0, 894, 894,
+	0, 894, 0, 894, 894, 0, 894, 894, 894, 894,
+	0, 33, 34, 892, 1, 3, 604, 0, 0, 386,
+	389, 384, 670, 0, 0, 0, 49, 0, 668, 0,
+	0, 0, 668, 688, 0, 671, 666, 0, 666, 0,
+	0, 0, 0, 894, 894, 0, 0, 894, 894, 894,
+	0, 894, 894, 894, 894, 894, 894, 894, 370, 362,
+	363, 364, 0, 377, 693, 694, 819, 820, 821, 822,
 	823, 824, 825, 826, 827, 828, 829, 830, 831, 832,
 	833, 834, 835, 836, 837, 838, 839, 840, 841, 842,
 	843, 844, 845, 846, 847, 848, 849, 850, 851, 852,
 	853, 854, 855, 856, 857, 858, 859, 860, 861, 862,
 	863, 864, 865, 866, 867, 868, 869, 870, 871, 872,
 	873, 874, 875, 876, 877, 878, 879, 880, 881, 882,
-	883, 884, 885, 886, 887, 888, 889, 324, 325, 892,
-	0, 328, 892, 330, 331, 0, 0, 892, 0, 892,
-	892, 0, 376, 377, 378, 379, 27, 606, 0, 0,
-	594, 29, 0, 380, 385, 386, 390, 388, 389, 381,
-	0, 0, 440, 0, 37, 38, 630, 0, 0, 632,
-	659, 660, -2, 0, 0, 0, 689, 690, -2, 706,
-	687, 688, 695, 696, 697, 698, 699, 700, 701, 702,
-	703, 704, 705, 708, 709, 710, 711, 712, 713, 714,
+	883, 884, 885, 886, 887, 888, 889, 890, 891, 324,
+	325, 894, 0, 328, 894, 330, 331, 0, 0, 894,
+	0, 894, 894, 0, 378, 379, 380, 381, 27, 608,
+	0, 0, 596, 29, 0, 382, 387, 388, 392, 390,
+	391, 383, 0, 0, 442, 0, 37, 38, 632, 0,
+	0, 634, 661, 662, -2, 0, 0, 0, 691, 692,
+	-2, 708, 689, 690, 697, 698, 699, 700, 701, 702,
+	703, 704, 705, 706, 707, 710, 711, 712, 713, 714,
 	715, 716, 717, 718, 719, 720, 721, 722, 723, 724,
 	725, 726, 727, 728, 729, 730, 731, 732, 733, 734,
 	735, 736, 737, 738, 739, 740, 741, 742, 743, 744,
@@ -2313,127 +2322,127 @@ var yyDef = [...]int{
 	785, 786, 787, 788, 789, 790, 791, 792, 793, 794,
 	795, 796, 797, 798, 799, 800, 801, 802, 803, 804,
 	805, 806, 807, 808, 809, 810, 811, 812, 813, 814,
-	815, 816, 44, 50, 51, 0, 0, 0, 165, 0,
-	169, 170, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 322, 323, 358, 0, 0, 344, 345,
-	363, 0, 369, 370, 0, 365, 366, 349, 350, 351,
-	363, 353, 354, 355, 356, 357, 892, 326, 892, 329,
-	892, 0, 892, 334, 680, 336, 337, 892, 892, 892,
-	28, 891, 23, 0, 0, 603, 450, 0, 455, 457,
-	0, 492, 493, 494, 495, 496, 0, 0, 0, 0,
-	0, 0, 518, 519, 520, 521, 580, 581, 582, 583,
-	584, 585, 586, 459, 460, 577, 0, 626, 0, 0,
-	0, 0, 0, 0, 0, 568, 0, 542, 542, 542,
-	542, 542, 542, 542, 542, 0, 0, 0, 0, -2,
-	-2, 595, 596, 599, 602, 27, 387, 0, 392, 391,
-	383, 0, 0, 439, 0, 0, 448, 0, 644, 655,
-	648, 0, 0, 633, 0, 0, 637, 641, 642, 643,
-	266, 640, 0, 0, -2, 291, 175, 242, 172, 173,
-	174, 235, 190, 235, 235, 235, 235, 262, 262, 262,
-	262, 218, 219, 220, 221, 222, 0, 0, 205, 235,
-	235, 235, 209, 225, 226, 227, 228, 229, 230, 231,
-	232, 191, 192, 193, 194, 195, 196, 197, 198, 199,
-	237, 237, 237, 239, 239, -2, 0, 0, 0, 0,
-	91, 0, 317, 320, 665, 0, 319, 602, 0, 892,
-	892, 371, 0, 0, 363, 892, 374, 327, 332, 0,
-	490, 333, 0, 681, 682, 338, 339, 340, 607, 0,
-	0, 0, 0, 0, 0, 453, 0, 0, 0, 0,
+	815, 816, 817, 818, 44, 50, 51, 0, 0, 0,
+	165, 0, 169, 170, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 322, 323, 360, 0, 0,
+	344, 345, 365, 0, 371, 372, 0, 367, 368, 349,
+	350, 351, 365, 353, 354, 355, 356, 357, 358, 359,
+	894, 326, 894, 329, 894, 0, 894, 334, 682, 336,
+	337, 894, 894, 894, 28, 893, 23, 0, 0, 605,
+	452, 0, 457, 459, 0, 494, 495, 496, 497, 498,
+	0, 0, 0, 0, 0, 0, 520, 521, 522, 523,
+	582, 583, 584, 585, 586, 587, 588, 461, 462, 579,
+	0, 628, 0, 0, 0, 0, 0, 0, 0, 570,
+	0, 544, 544, 544, 544, 544, 544, 544, 544, 0,
+	0, 0, 0, -2, -2, 597, 598, 601, 604, 27,
+	389, 0, 394, 393, 385, 0, 0, 441, 0, 0,
+	450, 0, 646, 657, 650, 0, 0, 635, 0, 0,
+	639, 643, 644, 645, 266, 642, 0, 0, -2, 291,
+	175, 242, 172, 173, 174, 235, 190, 235, 235, 235,
+	235, 262, 262, 262, 262, 218, 219, 220, 221, 222,
+	0, 0, 205, 235, 235, 235, 209, 225, 226, 227,
+	228, 229, 230, 231, 232, 191, 192, 193, 194, 195,
+	196, 197, 198, 199, 237, 237, 237, 239, 239, -2,
+	0, 0, 0, 0, 91, 0, 317, 320, 667, 0,
+	319, 604, 0, 894, 894, 373, 0, 0, 365, 894,
+	376, 327, 332, 0, 492, 333, 0, 683, 684, 338,
+	339, 340, 609, 0, 0, 0, 0, 0, 0, 455,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 479,
+	480, 481, 482, 483, 484, 485, 458, 0, 472, 0,
+	0, 0, 514, 515, 516, 517, 518, 0, 396, 0,
+	27, 0, 0, 0, 0, 0, 0, 392, 0, 571,
+	0, 536, 0, 537, 538, 539, 540, 541, 542, 543,
+	0, 396, 0, 0, 0, 600, 602, 603, 608, 30,
+	392, 0, 589, 0, 0, 0, 395, 621, 0, 0,
+	-2, 0, 440, 450, 629, 0, 579, 0, 443, 695,
+	696, 708, 709, 596, 0, 633, 0, 648, 0, 649,
+	0, 0, 659, 660, 647, 636, 637, 638, 640, 0,
+	0, 0, 0, 92, -2, 95, 97, 98, 99, 100,
+	101, 102, 103, 104, 105, 106, 107, 108, 109, 110,
+	111, 112, 113, 114, 115, 116, 117, 118, 119, 120,
+	84, 84, 0, 84, 84, 84, 84, 84, 0, 0,
+	84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
+	84, 84, 84, 83, 166, 167, 283, 302, 0, 304,
+	305, 300, -2, 292, 168, 176, 177, 179, 180, 181,
+	182, 183, 184, 185, 186, 187, 188, 246, 0, 0,
+	261, 0, 275, 277, 0, 0, 0, 0, 0, 244,
+	243, 189, 0, 262, 262, 212, 213, 214, 0, 215,
+	216, 217, 0, 0, 206, 207, 208, 200, 0, 201,
+	202, 203, 0, 204, 45, -2, 78, 0, 669, 0,
+	0, 0, 894, 682, 0, 679, 0, 677, 0, 672,
+	673, 674, 675, 676, 678, 680, 681, 0, 318, 894,
+	0, 342, 343, 346, 0, 0, 366, 365, 450, 352,
+	0, 627, 894, 0, 453, 454, 456, 473, 0, 475,
+	477, 606, 607, 463, 464, 488, 489, 490, 0, 0,
+	0, 0, 486, 468, 0, 499, 500, 501, 502, 503,
+	504, 505, 506, 507, 508, 509, 510, 513, 555, 556,
+	0, 511, 512, 519, 0, 0, 397, 398, 400, 404,
+	0, 580, 0, -2, 491, 27, 0, 0, 0, 0,
+	0, 0, 577, 574, 0, 0, 545, 0, 0, 0,
+	0, 599, 24, 0, 664, 665, 590, 591, 409, 31,
+	0, 621, 611, 623, 625, 0, 27, 0, 617, 596,
+	0, 0, 0, 604, 451, 658, 651, 652, 0, 0,
+	656, 267, 0, 0, 0, 96, 0, 85, 0, 84,
+	84, 86, 0, 0, 0, 0, 0, 0, 84, 84,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 477, 478, 479, 480, 481,
-	482, 483, 456, 0, 470, 0, 0, 0, 512, 513,
-	514, 515, 516, 0, 394, 0, 27, 0, 0, 0,
-	0, 0, 0, 390, 0, 569, 0, 534, 0, 535,
-	536, 537, 538, 539, 540, 541, 0, 394, 0, 0,
-	0, 598, 600, 601, 606, 30, 390, 0, 587, 0,
-	0, 0, 393, 619, 0, 0, -2, 0, 438, 448,
-	627, 0, 577, 0, 441, 693, 694, 706, 707, 594,
-	0, 631, 0, 646, 0, 647, 0, 0, 657, 658,
-	645, 634, 635, 636, 638, 0, 0, 0, 0, 92,
-	-2, 95, 97, 98, 99, 100, 101, 102, 103, 104,
-	105, 106, 107, 108, 109, 110, 111, 112, 113, 114,
-	115, 116, 117, 118, 119, 120, 84, 84, 0, 84,
-	84, 84, 84, 84, 0, 0, 84, 84, 84, 84,
-	84, 84, 84, 84, 84, 84, 84, 84, 84, 83,
-	166, 167, 283, 302, 0, 304, 305, 300, -2, 292,
-	168, 176, 177, 179, 180, 181, 182, 183, 184, 185,
-	186, 187, 188, 246, 0, 0, 261, 0, 275, 277,
-	0, 0, 0, 0, 0, 244, 243, 189, 0, 262,
-	262, 212, 213, 214, 0, 215, 216, 217, 0, 0,
-	206, 207, 208, 200, 0, 201, 202, 203, 0, 204,
-	45, -2, 78, 0, 667, 0, 0, 0, 892, 680,
-	0, 677, 0, 675, 0, 670, 671, 672, 673, 674,
-	676, 678, 679, 0, 318, 892, 0, 342, 343, 346,
-	0, 0, 364, 363, 448, 352, 0, 625, 892, 0,
-	451, 452, 454, 471, 0, 473, 475, 604, 605, 461,
-	462, 486, 487, 488, 0, 0, 0, 0, 484, 466,
-	0, 497, 498, 499, 500, 501, 502, 503, 504, 505,
-	506, 507, 508, 511, 553, 554, 0, 509, 510, 517,
-	0, 0, 395, 396, 398, 402, 0, 578, 0, -2,
-	489, 27, 0, 0, 0, 0, 0, 0, 575, 572,
-	0, 0, 543, 0, 0, 0, 0, 597, 24, 0,
-	662, 663, 588, 589, 407, 31, 0, 619, 609, 621,
-	623, 0, 27, 0, 615, 594, 0, 0, 0, 602,
-	449, 656, 649, 650, 0, 0, 654, 267, 0, 0,
-	0, 96, 0, 85, 0, 84, 84, 86, 0, 0,
-	0, 0, 0, 0, 84, 84, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 295,
-	284, 283, 303, 0, 302, 293, 178, 247, 248, 249,
-	250, 251, 252, 253, 255, 258, 259, 260, 274, 276,
-	278, 0, 265, 160, 161, 268, 269, 270, 271, 272,
-	273, 171, 245, 0, 210, 211, 0, 0, 233, 0,
-	0, 0, 79, 84, 84, 0, 0, 0, 309, 0,
-	892, 683, 684, 0, 0, 0, 0, 0, 321, 341,
-	359, 372, 373, 371, 347, 491, 335, 608, 472, 474,
-	476, 463, 484, 467, 0, 464, 0, 0, 458, 522,
-	0, 0, 399, 403, 0, 405, 406, 0, 394, 0,
-	-2, 525, 526, 0, 0, 0, 0, 594, 0, 573,
-	0, 0, 533, 544, 545, 546, 547, 25, 448, 0,
-	0, 32, 0, 624, -2, 0, 0, 0, 602, 628,
-	629, 578, 36, 651, 652, 653, 52, 0, 0, 162,
-	163, 0, 0, 87, 121, 122, 159, 124, 125, 0,
-	0, 128, 129, 130, 131, 132, 133, 134, 135, 136,
-	137, 138, 139, 140, 141, 142, 143, 144, 145, 146,
-	147, 148, 149, 150, 151, 152, 153, 154, 155, 156,
-	157, 158, 0, 296, 0, 0, 295, 283, 0, 254,
-	236, 263, 264, 223, 0, 224, 0, 240, 0, 0,
-	0, 0, 0, 0, 310, 311, 312, 0, 314, 315,
-	316, 348, 465, 0, 485, 468, 523, 397, 404, 400,
-	0, 0, 579, 0, 235, 235, 558, 235, 239, 561,
-	235, 563, 235, 566, 0, 0, 0, 570, 532, 576,
-	0, 590, 408, 409, 411, 412, 413, 421, 0, 423,
-	0, 622, 0, -2, 0, 617, 616, 35, 0, 42,
-	123, 164, 126, 127, 0, 294, 297, 298, 299, 0,
-	0, 295, 256, 0, 234, 0, 0, 80, 57, 58,
-	81, 88, 89, 90, 0, 306, 235, 0, 0, 0,
-	469, 0, 524, 527, 555, 262, 559, 560, 562, 564,
-	565, 567, 529, 528, 0, 0, 0, 574, 592, 0,
-	0, 0, 0, 0, 428, 0, 0, 431, 0, 0,
-	0, 0, 422, 0, 0, 442, 424, 0, 426, 427,
-	0, 612, 27, 0, 0, 54, 0, 0, 0, 0,
-	0, 257, 238, 241, 62, 0, 308, 66, 70, 313,
-	401, 556, 557, 548, 531, 571, 26, 0, 0, 410,
-	417, 0, 420, 429, 430, 432, 0, 434, 0, 436,
-	437, 414, 415, 416, 0, 0, 0, 425, 620, -2,
-	618, 0, 39, 0, 43, 289, 289, 0, 0, 72,
-	307, 72, 72, 0, 0, 0, 593, 591, 0, 0,
-	433, 435, 0, 0, 0, 0, 53, 0, 279, 280,
-	289, 0, 46, 63, 64, 65, 84, 0, 0, 47,
-	67, 68, 0, 48, 71, 530, 0, 0, 0, 418,
-	419, 0, 0, 0, 40, 0, 290, 84, 286, 0,
-	0, 281, 289, 73, 84, 84, 0, 61, 59, 55,
-	56, 0, 549, 0, 552, 0, 446, 0, 0, 0,
-	0, 287, 0, 282, 0, 0, 60, 69, 550, 443,
-	0, 444, 445, 41, 285, 288, 74, 75, 0, 447,
-	0, 551,
+	0, 0, 0, 295, 284, 283, 303, 0, 302, 293,
+	178, 247, 248, 249, 250, 251, 252, 253, 255, 258,
+	259, 260, 274, 276, 278, 0, 265, 160, 161, 268,
+	269, 270, 271, 272, 273, 171, 245, 0, 210, 211,
+	0, 0, 233, 0, 0, 0, 79, 84, 84, 0,
+	0, 0, 309, 0, 894, 685, 686, 0, 0, 0,
+	0, 0, 321, 341, 361, 374, 375, 373, 347, 493,
+	335, 610, 474, 476, 478, 465, 486, 469, 0, 466,
+	0, 0, 460, 524, 0, 0, 401, 405, 0, 407,
+	408, 0, 396, 0, -2, 527, 528, 0, 0, 0,
+	0, 596, 0, 575, 0, 0, 535, 546, 547, 548,
+	549, 25, 450, 0, 0, 32, 0, 626, -2, 0,
+	0, 0, 604, 630, 631, 580, 36, 653, 654, 655,
+	52, 0, 0, 162, 163, 0, 0, 87, 121, 122,
+	159, 124, 125, 0, 0, 128, 129, 130, 131, 132,
+	133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
+	143, 144, 145, 146, 147, 148, 149, 150, 151, 152,
+	153, 154, 155, 156, 157, 158, 0, 296, 0, 0,
+	295, 283, 0, 254, 236, 263, 264, 223, 0, 224,
+	0, 240, 0, 0, 0, 0, 0, 0, 310, 311,
+	312, 0, 314, 315, 316, 348, 467, 0, 487, 470,
+	525, 399, 406, 402, 0, 0, 581, 0, 235, 235,
+	560, 235, 239, 563, 235, 565, 235, 568, 0, 0,
+	0, 572, 534, 578, 0, 592, 410, 411, 413, 414,
+	415, 423, 0, 425, 0, 624, 0, -2, 0, 619,
+	618, 35, 0, 42, 123, 164, 126, 127, 0, 294,
+	297, 298, 299, 0, 0, 295, 256, 0, 234, 0,
+	0, 80, 57, 58, 81, 88, 89, 90, 0, 306,
+	235, 0, 0, 0, 471, 0, 526, 529, 557, 262,
+	561, 562, 564, 566, 567, 569, 531, 530, 0, 0,
+	0, 576, 594, 0, 0, 0, 0, 0, 430, 0,
+	0, 433, 0, 0, 0, 0, 424, 0, 0, 444,
+	426, 0, 428, 429, 0, 614, 27, 0, 0, 54,
+	0, 0, 0, 0, 0, 257, 238, 241, 62, 0,
+	308, 66, 70, 313, 403, 558, 559, 550, 533, 573,
+	26, 0, 0, 412, 419, 0, 422, 431, 432, 434,
+	0, 436, 0, 438, 439, 416, 417, 418, 0, 0,
+	0, 427, 622, -2, 620, 0, 39, 0, 43, 289,
+	289, 0, 0, 72, 307, 72, 72, 0, 0, 0,
+	595, 593, 0, 0, 435, 437, 0, 0, 0, 0,
+	53, 0, 279, 280, 289, 0, 46, 63, 64, 65,
+	84, 0, 0, 47, 67, 68, 0, 48, 71, 532,
+	0, 0, 0, 420, 421, 0, 0, 0, 40, 0,
+	290, 84, 286, 0, 0, 281, 289, 73, 84, 84,
+	0, 61, 59, 55, 56, 0, 551, 0, 554, 0,
+	448, 0, 0, 0, 0, 287, 0, 282, 0, 0,
+	60, 69, 552, 445, 0, 446, 447, 41, 285, 288,
+	74, 75, 0, 449, 0, 553,
 }
-
 var yyTok1 = [...]int{
+
 	1, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 85, 3, 3, 3, 112, 104, 3,
 	65, 67, 109, 107, 66, 108, 120, 110, 3, 3,
-	3, 3, 3, 3, 3, 3, 3, 3, 3, 300,
+	3, 3, 3, 3, 3, 3, 3, 3, 3, 301,
 	93, 92, 94, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
@@ -2442,8 +2451,8 @@ var yyTok1 = [...]int{
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 103, 3, 115,
 }
-
 var yyTok2 = [...]int{
+
 	2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
 	12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
 	22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
@@ -2471,14 +2480,13 @@ var yyTok2 = [...]int{
 	259, 260, 261, 262, 263, 264, 265, 266, 267, 268,
 	269, 270, 271, 272, 273, 274,
 }
-
 var yyTok3 = [...]int{
 	57600, 275, 57601, 276, 57602, 277, 57603, 278, 57604, 279,
 	57605, 280, 57606, 281, 57607, 282, 57608, 283, 57609, 284,
 	57610, 285, 57611, 286, 57612, 287, 57613, 288, 57614, 289,
 	57615, 290, 57616, 291, 57617, 292, 57618, 293, 57619, 294,
 	57620, 295, 57621, 296, 57622, 297, 57623, 298, 57624, 299,
-	0,
+	57625, 300, 0,
 }
 
 var yyErrorMessages = [...]struct {
@@ -2490,6 +2498,7 @@ var yyErrorMessages = [...]struct {
 //line yaccpar:1
 
 /*	parser for yacc output	*/
+
 var (
 	yyDebug        = 0
 	yyErrorVerbose = false
@@ -2499,10 +2508,12 @@ type yyLexer interface {
 	Lex(lval *yySymType) int
 	Error(s string)
 }
+
 type yyParser interface {
 	Parse(yyLexer) int
 	Lookahead() int
 }
+
 type yyParserImpl struct {
 	lval  yySymType
 	stack [yyInitialStackSize]yySymType
@@ -2512,6 +2523,7 @@ type yyParserImpl struct {
 func (p *yyParserImpl) Lookahead() int {
 	return p.char
 }
+
 func yyNewParser() yyParser {
 	return &yyParserImpl{}
 }
@@ -2526,6 +2538,7 @@ func yyTokname(c int) string {
 	}
 	return __yyfmt__.Sprintf("tok-%v", c)
 }
+
 func yyStatname(s int) string {
 	if s >= 0 && s < len(yyStatenames) {
 		if yyStatenames[s] != "" {
@@ -2534,19 +2547,25 @@ func yyStatname(s int) string {
 	}
 	return __yyfmt__.Sprintf("state-%v", s)
 }
+
 func yyErrorMessage(state, lookAhead int) string {
 	const TOKSTART = 4
+
 	if !yyErrorVerbose {
 		return "syntax error"
 	}
+
 	for _, e := range yyErrorMessages {
 		if e.state == state && e.token == lookAhead {
 			return "syntax error: " + e.msg
 		}
 	}
+
 	res := "syntax error: unexpected " + yyTokname(lookAhead)
+
 	// To match Bison, suggest at most four expected tokens.
 	expected := make([]int, 0, 4)
+
 	// Look for shiftable tokens.
 	base := yyPact[state]
 	for tok := TOKSTART; tok-1 < len(yyToknames); tok++ {
@@ -2557,11 +2576,13 @@ func yyErrorMessage(state, lookAhead int) string {
 			expected = append(expected, tok)
 		}
 	}
+
 	if yyDef[state] == -2 {
 		i := 0
 		for yyExca[i] != -1 || yyExca[i+1] != state {
 			i += 2
 		}
+
 		// Look for tokens that we accept or reduce.
 		for i += 2; yyExca[i] >= 0; i += 2 {
 			tok := yyExca[i]
@@ -2573,11 +2594,13 @@ func yyErrorMessage(state, lookAhead int) string {
 			}
 			expected = append(expected, tok)
 		}
+
 		// If the default action is to accept or reduce, give up.
 		if yyExca[i+1] != 0 {
 			return res
 		}
 	}
+
 	for i, tok := range expected {
 		if i == 0 {
 			res += ", expecting "
@@ -2588,6 +2611,7 @@ func yyErrorMessage(state, lookAhead int) string {
 	}
 	return res
 }
+
 func yylex1(lex yyLexer, lval *yySymType) (char, token int) {
 	token = 0
 	char = lex.Lex(lval)
@@ -2612,6 +2636,7 @@ func yylex1(lex yyLexer, lval *yySymType) (char, token int) {
 			goto out
 		}
 	}
+
 out:
 	if token == 0 {
 		token = yyTok2[1] /* unknown char */
@@ -2621,15 +2646,18 @@ out:
 	}
 	return char, token
 }
+
 func yyParse(yylex yyLexer) int {
 	return yyNewParser().Parse(yylex)
 }
+
 func (yyrcvr *yyParserImpl) Parse(yylex yyLexer) int {
 	var yyn int
 	var yyVAL yySymType
 	var yyDollar []yySymType
 	_ = yyDollar // silence set and not used
 	yyS := yyrcvr.stack[:]
+
 	Nerrs := 0   /* number of errors */
 	Errflag := 0 /* error recovery flag */
 	yystate := 0
@@ -2643,15 +2671,19 @@ func (yyrcvr *yyParserImpl) Parse(yylex yyLexer) int {
 	}()
 	yyp := -1
 	goto yystack
+
 ret0:
 	return 0
+
 ret1:
 	return 1
+
 yystack:
 	/* put a state and value onto the stack */
 	if yyDebug >= 4 {
 		__yyfmt__.Printf("char %v in %v\n", yyTokname(yytoken), yyStatname(yystate))
 	}
+
 	yyp++
 	if yyp >= len(yyS) {
 		nyys := make([]yySymType, len(yyS)*2)
@@ -2660,6 +2692,7 @@ yystack:
 	}
 	yyS[yyp] = yyVAL
 	yyS[yyp].yys = yystate
+
 yynewstate:
 	yyn = yyPact[yystate]
 	if yyn <= yyFlag {
@@ -2683,6 +2716,7 @@ yynewstate:
 		}
 		goto yystack
 	}
+
 yydefault:
 	/* default state action */
 	yyn = yyDef[yystate]
@@ -2690,6 +2724,7 @@ yydefault:
 		if yyrcvr.char < 0 {
 			yyrcvr.char, yytoken = yylex1(yylex, &yyrcvr.lval)
 		}
+
 		/* look through exception table */
 		xi := 0
 		for {
@@ -2720,8 +2755,10 @@ yydefault:
 				__yyfmt__.Printf(" saw %s\n", yyTokname(yytoken))
 			}
 			fallthrough
+
 		case 1, 2: /* incompletely recovered error ... try again */
 			Errflag = 3
+
 			/* find a state where "error" is a legal shift action */
 			for yyp >= 0 {
 				yyn = yyPact[yyS[yyp].yys] + yyErrCode
@@ -2731,6 +2768,7 @@ yydefault:
 						goto yystack
 					}
 				}
+
 				/* the current p has no shift on "error", pop stack */
 				if yyDebug >= 2 {
 					__yyfmt__.Printf("error recovery pops state %d\n", yyS[yyp].yys)
@@ -2739,6 +2777,7 @@ yydefault:
 			}
 			/* there is no state on the stack with an error shift ... abort */
 			goto ret1
+
 		case 3: /* no shift yet; clobber input char */
 			if yyDebug >= 2 {
 				__yyfmt__.Printf("error recovery discards %s\n", yyTokname(yytoken))
@@ -2751,13 +2790,16 @@ yydefault:
 			goto yynewstate /* try again in the same state */
 		}
 	}
+
 	/* reduction by production yyn */
 	if yyDebug >= 2 {
 		__yyfmt__.Printf("reduce %v in:\n\t%v\n", yyn, yyStatname(yystate))
 	}
+
 	yynt := yyn
 	yypt := yyp
 	_ = yypt // guard against "declared and not used"
+
 	yyp -= yyR2[yyn]
 	// yyp is now the index of $0. Perform the default action. Iff the
 	// reduced production is ε, $1 is possibly out of range.
@@ -2767,10 +2809,12 @@ yydefault:
 		yyS = nyys
 	}
 	yyVAL = yyS[yyp+1]
+
 	/* consult goto table to find next state */
 	yyn = yyR1[yyn]
 	yyg := yyPgo[yyn]
 	yyj := yyg + yyS[yyp].yys + 1
+
 	if yyj >= yyLast {
 		yystate = yyAct[yyg]
 	} else {
@@ -2784,29 +2828,29 @@ yydefault:
 
 	case 1:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1014
+//line sql.y:1015
 		{
 			setParseTree(yylex, yyDollar[1].statement)
 		}
 	case 2:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1020
+//line sql.y:1021
 		{
 		}
 	case 3:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1022
+//line sql.y:1023
 		{
 		}
 	case 4:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1026
+//line sql.y:1027
 		{
 			yyVAL.statement = yyDollar[1].selStmt
 		}
 	case 23:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1050
+//line sql.y:1051
 		{
 			sel := yyDollar[1].selStmt.(*Select)
 			sel.OrderBy = yyDollar[2].orderBy
@@ -2816,49 +2860,49 @@ yydefault:
 		}
 	case 24:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:1058
+//line sql.y:1059
 		{
 			yyVAL.selStmt = &Union{Type: yyDollar[2].str, Left: yyDollar[1].selStmt, Right: yyDollar[3].selStmt, OrderBy: yyDollar[4].orderBy, Limit: yyDollar[5].limit, Lock: yyDollar[6].str}
 		}
 	case 25:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1062
+//line sql.y:1063
 		{
 			yyVAL.selStmt = &Select{Comments: Comments(yyDollar[2].bytes2), Cache: yyDollar[3].str, SelectExprs: SelectExprs{Nextval{Expr: yyDollar[5].expr}}, From: TableExprs{&AliasedTableExpr{Expr: yyDollar[7].tableName}}}
 		}
 	case 26:
 		yyDollar = yyS[yypt-10 : yypt+1]
-//line sql.y:1069
+//line sql.y:1070
 		{
 			yyVAL.selStmt = &Select{Comments: Comments(yyDollar[2].bytes2), Cache: yyDollar[3].str, Distinct: yyDollar[4].str, Hints: yyDollar[5].str, SelectExprs: yyDollar[6].selectExprs, From: yyDollar[7].tableExprs, Where: NewWhere(WhereStr, yyDollar[8].expr), GroupBy: GroupBy(yyDollar[9].exprs), Having: NewWhere(HavingStr, yyDollar[10].expr)}
 		}
 	case 27:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1075
+//line sql.y:1076
 		{
 			yyVAL.selStmt = yyDollar[1].selStmt
 		}
 	case 28:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1079
+//line sql.y:1080
 		{
 			yyVAL.selStmt = &ParenSelect{Select: yyDollar[2].selStmt}
 		}
 	case 29:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1085
+//line sql.y:1086
 		{
 			yyVAL.selStmt = yyDollar[1].selStmt
 		}
 	case 30:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1089
+//line sql.y:1090
 		{
 			yyVAL.selStmt = &ParenSelect{Select: yyDollar[2].selStmt}
 		}
 	case 31:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:1095
+//line sql.y:1096
 		{
 			// insert_data returns a *Insert pre-filled with Columns & Values
 			ins := yyDollar[5].ins
@@ -2871,7 +2915,7 @@ yydefault:
 		}
 	case 32:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1106
+//line sql.y:1107
 		{
 			cols := make(Columns, 0, len(yyDollar[6].updateExprs))
 			vals := make(ValTuple, 0, len(yyDollar[7].updateExprs))
@@ -2883,67 +2927,67 @@ yydefault:
 		}
 	case 33:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1118
+//line sql.y:1119
 		{
 			yyVAL.str = InsertStr
 		}
 	case 34:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1122
+//line sql.y:1123
 		{
 			yyVAL.str = ReplaceStr
 		}
 	case 35:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:1128
+//line sql.y:1129
 		{
 			yyVAL.statement = &Update{Comments: Comments(yyDollar[2].bytes2), Table: yyDollar[3].tableName, Exprs: yyDollar[5].updateExprs, Where: NewWhere(WhereStr, yyDollar[6].expr), OrderBy: yyDollar[7].orderBy, Limit: yyDollar[8].limit}
 		}
 	case 36:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1134
+//line sql.y:1135
 		{
 			yyVAL.statement = &Delete{Comments: Comments(yyDollar[2].bytes2), Table: yyDollar[4].tableName, Where: NewWhere(WhereStr, yyDollar[5].expr), OrderBy: yyDollar[6].orderBy, Limit: yyDollar[7].limit}
 		}
 	case 37:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1140
+//line sql.y:1141
 		{
 			yyVAL.statement = &Set{Comments: Comments(yyDollar[2].bytes2), Exprs: yyDollar[3].setExprs}
 		}
 	case 38:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1144
+//line sql.y:1145
 		{
 			yyVAL.statement = &Set{Comments: Comments(yyDollar[2].bytes2), Exprs: yyDollar[3].setExprs}
 		}
 	case 39:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1150
+//line sql.y:1151
 		{
 			yyVAL.partitionDefinitions = []*PartitionDefinition{yyDollar[1].partitionDefinition}
 		}
 	case 40:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1154
+//line sql.y:1155
 		{
 			yyVAL.partitionDefinitions = append(yyDollar[1].partitionDefinitions, yyDollar[3].partitionDefinition)
 		}
 	case 41:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1160
+//line sql.y:1161
 		{
 			yyVAL.partitionDefinition = &PartitionDefinition{Backend: string(yyDollar[2].bytes), Row: yyDollar[5].valTuple}
 		}
 	case 42:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1166
+//line sql.y:1167
 		{
 			yyVAL.optVal = nil
 		}
 	case 43:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1170
+//line sql.y:1171
 		{
 			if string(yyDollar[2].bytes) == "0" {
 				yylex.Error("Number of partitions must be a positive integer")
@@ -2953,7 +2997,7 @@ yydefault:
 		}
 	case 44:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1180
+//line sql.y:1181
 		{
 			yyDollar[1].ddl.Action = CreateTableStr
 			yyDollar[1].ddl.TableSpec = yyDollar[2].tableSpec
@@ -2962,7 +3006,7 @@ yydefault:
 		}
 	case 45:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1187
+//line sql.y:1188
 		{
 			var ifnotexists bool
 			if yyDollar[3].byt != 0 {
@@ -2972,43 +3016,43 @@ yydefault:
 		}
 	case 46:
 		yyDollar = yyS[yypt-11 : yypt+1]
-//line sql.y:1195
+//line sql.y:1196
 		{
 			yyVAL.statement = &DDL{Action: CreateIndexStr, IndexType: yyDollar[2].str, IndexName: string(yyDollar[4].bytes), Table: yyDollar[6].tableName, NewName: yyDollar[6].tableName, IndexOpts: NewIndexOptions(yyDollar[8].indexColumns, append(yyDollar[10].indexOptionList, yyDollar[11].indexOptionList...))}
 		}
 	case 47:
 		yyDollar = yyS[yypt-11 : yypt+1]
-//line sql.y:1199
+//line sql.y:1200
 		{
 			yyVAL.statement = &DDL{Action: CreateIndexStr, IndexType: FullTextStr, IndexName: string(yyDollar[4].bytes), Table: yyDollar[6].tableName, NewName: yyDollar[6].tableName, IndexOpts: NewIndexOptions(yyDollar[8].indexColumns, append(yyDollar[10].indexOptionList, yyDollar[11].indexOptionList...))}
 		}
 	case 48:
 		yyDollar = yyS[yypt-11 : yypt+1]
-//line sql.y:1203
+//line sql.y:1204
 		{
 			yyVAL.statement = &DDL{Action: CreateIndexStr, IndexType: SpatialStr, IndexName: string(yyDollar[4].bytes), Table: yyDollar[6].tableName, NewName: yyDollar[6].tableName, IndexOpts: NewIndexOptions(yyDollar[8].indexColumns, append(yyDollar[10].indexOptionList, yyDollar[11].indexOptionList...))}
 		}
 	case 49:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1209
+//line sql.y:1210
 		{
 			yyVAL.partitionOption = &PartOptNormal{}
 		}
 	case 50:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1213
+//line sql.y:1214
 		{
 			yyVAL.partitionOption = &PartOptGlobal{}
 		}
 	case 51:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1217
+//line sql.y:1218
 		{
 			yyVAL.partitionOption = &PartOptSingle{}
 		}
 	case 52:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1221
+//line sql.y:1222
 		{
 			yyVAL.partitionOption = &PartOptSingle{
 				BackendName: yyDollar[4].colIdent.String(),
@@ -3016,7 +3060,7 @@ yydefault:
 		}
 	case 53:
 		yyDollar = yyS[yypt-9 : yypt+1]
-//line sql.y:1227
+//line sql.y:1228
 		{
 			yyVAL.partitionOption = &PartOptList{
 				Name:     yyDollar[5].colIdent.String(),
@@ -3025,7 +3069,7 @@ yydefault:
 		}
 	case 54:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1234
+//line sql.y:1235
 		{
 			yyVAL.partitionOption = &PartOptHash{
 				Name:         yyDollar[5].colIdent.String(),
@@ -3034,31 +3078,31 @@ yydefault:
 		}
 	case 55:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1243
+//line sql.y:1244
 		{
 			yyVAL.str = "hash"
 		}
 	case 56:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1247
+//line sql.y:1248
 		{
 			yyVAL.str = "btree"
 		}
 	case 57:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1253
+//line sql.y:1254
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
 	case 58:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1257
+//line sql.y:1258
 		{
 			yyVAL.str = "default"
 		}
 	case 59:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1264
+//line sql.y:1265
 		{
 			yyVAL.indexOption = &IndexOption{
 				Type: IndexOptionUsing,
@@ -3067,7 +3111,7 @@ yydefault:
 		}
 	case 60:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1273
+//line sql.y:1274
 		{
 			yyVAL.indexOption = &IndexOption{
 				Type: IndexOptionBlockSize,
@@ -3076,7 +3120,7 @@ yydefault:
 		}
 	case 61:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1280
+//line sql.y:1281
 		{
 			yyVAL.indexOption = &IndexOption{
 				Type: IndexOptionComment,
@@ -3085,49 +3129,49 @@ yydefault:
 		}
 	case 62:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1288
+//line sql.y:1289
 		{
 			yyVAL.indexOptionList = []*IndexOption{}
 		}
 	case 63:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1292
+//line sql.y:1293
 		{
 			yyVAL.indexOptionList = append(yyDollar[1].indexOptionList, yyDollar[2].indexOption)
 		}
 	case 64:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1298
+//line sql.y:1299
 		{
 			yyVAL.indexOption = yyDollar[1].indexOption
 		}
 	case 65:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1302
+//line sql.y:1303
 		{
 			yyVAL.indexOption = yyDollar[1].indexOption
 		}
 	case 66:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1307
+//line sql.y:1308
 		{
 			yyVAL.indexOptionList = []*IndexOption{}
 		}
 	case 67:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1311
+//line sql.y:1312
 		{
 			yyVAL.indexOptionList = append(yyDollar[1].indexOptionList, yyDollar[2].indexOption)
 		}
 	case 68:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1317
+//line sql.y:1318
 		{
 			yyVAL.indexOption = yyDollar[1].indexOption
 		}
 	case 69:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1321
+//line sql.y:1322
 		{
 			yyVAL.indexOption = &IndexOption{
 				Type: IndexOptionParser,
@@ -3136,31 +3180,31 @@ yydefault:
 		}
 	case 70:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1329
+//line sql.y:1330
 		{
 			yyVAL.indexOptionList = []*IndexOption{}
 		}
 	case 71:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1333
+//line sql.y:1334
 		{
 			yyVAL.indexOptionList = append(yyDollar[1].indexOptionList, yyDollar[2].indexOption)
 		}
 	case 72:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1338
+//line sql.y:1339
 		{
 			yyVAL.indexOptionList = []*IndexOption{}
 		}
 	case 73:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1342
+//line sql.y:1343
 		{
 			yyVAL.indexOptionList = append(yyDollar[1].indexOptionList, yyDollar[2].indexOption)
 		}
 	case 74:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1348
+//line sql.y:1349
 		{
 			if !CheckIndexLock(yyDollar[3].str) {
 				yylex.Error("unknown lock type")
@@ -3173,7 +3217,7 @@ yydefault:
 		}
 	case 75:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1359
+//line sql.y:1360
 		{
 			if !CheckIndexAlgorithm(yyDollar[3].str) {
 				yylex.Error("unknown algorithm type")
@@ -3186,31 +3230,31 @@ yydefault:
 		}
 	case 76:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1371
+//line sql.y:1372
 		{
 			yyVAL.databaseOptionListOpt.DBOptList = []*DatabaseOption{}
 		}
 	case 77:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1375
+//line sql.y:1376
 		{
 			yyVAL.databaseOptionListOpt.DBOptList = yyDollar[1].databaseOptionList
 		}
 	case 78:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1381
+//line sql.y:1382
 		{
 			yyVAL.databaseOptionList = append(yyVAL.databaseOptionList, yyDollar[1].databaseOption)
 		}
 	case 79:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1385
+//line sql.y:1386
 		{
 			yyVAL.databaseOptionList = append(yyDollar[1].databaseOptionList, yyDollar[2].databaseOption)
 		}
 	case 80:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1391
+//line sql.y:1392
 		{
 			yyVAL.databaseOption = &DatabaseOption{
 				CharsetOrCollate: string(yyDollar[2].bytes),
@@ -3219,7 +3263,7 @@ yydefault:
 		}
 	case 81:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1398
+//line sql.y:1399
 		{
 			yyVAL.databaseOption = &DatabaseOption{
 				CharsetOrCollate: string(yyDollar[2].str),
@@ -3228,57 +3272,57 @@ yydefault:
 		}
 	case 82:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1406
+//line sql.y:1407
 		{
 		}
 	case 83:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1408
+//line sql.y:1409
 		{
 		}
 	case 84:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1411
+//line sql.y:1412
 		{
 		}
 	case 85:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1413
+//line sql.y:1414
 		{
 		}
 	case 86:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1417
+//line sql.y:1418
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
 	case 87:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1421
+//line sql.y:1422
 		{
 			yyVAL.str = "character set"
 		}
 	case 88:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1427
+//line sql.y:1428
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
 	case 89:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1431
+//line sql.y:1432
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
 	case 90:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1435
+//line sql.y:1436
 		{
 			yyVAL.str = "default"
 		}
 	case 91:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1441
+//line sql.y:1442
 		{
 			var ifnotexists bool
 			if yyDollar[3].byt != 0 {
@@ -3289,7 +3333,7 @@ yydefault:
 		}
 	case 92:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1452
+//line sql.y:1453
 		{
 			yyVAL.tableSpec = yyDollar[2].tableSpec
 
@@ -3371,31 +3415,31 @@ yydefault:
 		}
 	case 93:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1533
+//line sql.y:1534
 		{
 			yyVAL.tableOptionListOpt.TblOptList = []*TableOption{}
 		}
 	case 94:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1537
+//line sql.y:1538
 		{
 			yyVAL.tableOptionListOpt.TblOptList = yyDollar[1].tableOptionList
 		}
 	case 95:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1543
+//line sql.y:1544
 		{
 			yyVAL.tableOptionList = append(yyVAL.tableOptionList, yyDollar[1].tableOption)
 		}
 	case 96:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1547
+//line sql.y:1548
 		{
 			yyVAL.tableOptionList = append(yyDollar[1].tableOptionList, yyDollar[2].tableOption)
 		}
 	case 97:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1553
+//line sql.y:1554
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionComment,
@@ -3404,7 +3448,7 @@ yydefault:
 		}
 	case 98:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1560
+//line sql.y:1561
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionEngine,
@@ -3413,7 +3457,7 @@ yydefault:
 		}
 	case 99:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1567
+//line sql.y:1568
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionCharset,
@@ -3422,7 +3466,7 @@ yydefault:
 		}
 	case 100:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1574
+//line sql.y:1575
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionAutoInc,
@@ -3431,7 +3475,7 @@ yydefault:
 		}
 	case 101:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1581
+//line sql.y:1582
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionAvgRowLength,
@@ -3440,7 +3484,7 @@ yydefault:
 		}
 	case 102:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1588
+//line sql.y:1589
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionChecksum,
@@ -3449,7 +3493,7 @@ yydefault:
 		}
 	case 103:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1595
+//line sql.y:1596
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionCollate,
@@ -3458,7 +3502,7 @@ yydefault:
 		}
 	case 104:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1602
+//line sql.y:1603
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionCompression,
@@ -3467,7 +3511,7 @@ yydefault:
 		}
 	case 105:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1609
+//line sql.y:1610
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionConnection,
@@ -3476,7 +3520,7 @@ yydefault:
 		}
 	case 106:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1616
+//line sql.y:1617
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionDataDirectory,
@@ -3485,7 +3529,7 @@ yydefault:
 		}
 	case 107:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1623
+//line sql.y:1624
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionIndexDirectory,
@@ -3494,7 +3538,7 @@ yydefault:
 		}
 	case 108:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1630
+//line sql.y:1631
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionDelayKeyWrite,
@@ -3503,7 +3547,7 @@ yydefault:
 		}
 	case 109:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1637
+//line sql.y:1638
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionEncryption,
@@ -3512,7 +3556,7 @@ yydefault:
 		}
 	case 110:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1644
+//line sql.y:1645
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionInsertMethod,
@@ -3521,7 +3565,7 @@ yydefault:
 		}
 	case 111:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1651
+//line sql.y:1652
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionKeyBlockSize,
@@ -3530,7 +3574,7 @@ yydefault:
 		}
 	case 112:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1658
+//line sql.y:1659
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionMaxRows,
@@ -3539,7 +3583,7 @@ yydefault:
 		}
 	case 113:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1665
+//line sql.y:1666
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionMinRows,
@@ -3548,7 +3592,7 @@ yydefault:
 		}
 	case 114:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1672
+//line sql.y:1673
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionPackKeys,
@@ -3557,7 +3601,7 @@ yydefault:
 		}
 	case 115:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1679
+//line sql.y:1680
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionPassword,
@@ -3566,7 +3610,7 @@ yydefault:
 		}
 	case 116:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1686
+//line sql.y:1687
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionRowFormat,
@@ -3575,7 +3619,7 @@ yydefault:
 		}
 	case 117:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1693
+//line sql.y:1694
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionStatsAutoRecalc,
@@ -3584,7 +3628,7 @@ yydefault:
 		}
 	case 118:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1700
+//line sql.y:1701
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionStatsPersistent,
@@ -3593,7 +3637,7 @@ yydefault:
 		}
 	case 119:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1707
+//line sql.y:1708
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionStatsSamplePages,
@@ -3602,7 +3646,7 @@ yydefault:
 		}
 	case 120:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1714
+//line sql.y:1715
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionTableSpace,
@@ -3611,24 +3655,24 @@ yydefault:
 		}
 	case 121:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1723
+//line sql.y:1724
 		{
 		}
 	case 122:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1727
+//line sql.y:1728
 		{
 			yyVAL.optVal = NewIntVal(yyDollar[3].bytes)
 		}
 	case 123:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1733
+//line sql.y:1734
 		{
 			yyVAL.optVal = yyDollar[4].optVal
 		}
 	case 124:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1739
+//line sql.y:1740
 		{
 			switch StrToLower(string(yyDollar[3].bytes)) {
 			case "zlib", "lz4", "none":
@@ -3641,31 +3685,31 @@ yydefault:
 		}
 	case 125:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1752
+//line sql.y:1753
 		{
 			yyVAL.optVal = NewStrVal(yyDollar[3].bytes)
 		}
 	case 126:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1758
+//line sql.y:1759
 		{
 			yyVAL.optVal = NewStrVal(yyDollar[4].bytes)
 		}
 	case 127:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1764
+//line sql.y:1765
 		{
 			yyVAL.optVal = NewStrVal(yyDollar[4].bytes)
 		}
 	case 128:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1770
+//line sql.y:1771
 		{
 			yyVAL.optVal = NewIntVal(yyDollar[3].bytes)
 		}
 	case 129:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1776
+//line sql.y:1777
 		{
 			switch string(yyDollar[3].bytes) {
 			case "Y", "y":
@@ -3681,7 +3725,7 @@ yydefault:
 		}
 	case 130:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1792
+//line sql.y:1793
 		{
 			switch StrToLower(string(yyDollar[3].bytes)) {
 			case "no", "first", "last":
@@ -3694,232 +3738,232 @@ yydefault:
 		}
 	case 131:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1805
+//line sql.y:1806
 		{
 			yyVAL.optVal = NewIntVal(yyDollar[3].bytes)
 		}
 	case 132:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1811
+//line sql.y:1812
 		{
 			yyVAL.optVal = NewIntVal(yyDollar[3].bytes)
 		}
 	case 133:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1817
+//line sql.y:1818
 		{
 			yyVAL.optVal = NewIntVal(yyDollar[3].bytes)
 		}
 	case 134:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1823
+//line sql.y:1824
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 135:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1827
+//line sql.y:1828
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 136:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1833
+//line sql.y:1834
 		{
 			yyVAL.optVal = NewStrVal(yyDollar[3].bytes)
 		}
 	case 137:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1841
+//line sql.y:1842
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 138:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1845
+//line sql.y:1846
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 139:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1849
+//line sql.y:1850
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 140:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1853
+//line sql.y:1854
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 141:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1857
+//line sql.y:1858
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 142:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1861
+//line sql.y:1862
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 143:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1865
+//line sql.y:1866
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 144:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1869
+//line sql.y:1870
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 145:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1873
+//line sql.y:1874
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 146:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1877
+//line sql.y:1878
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 147:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1881
+//line sql.y:1882
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 148:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1885
+//line sql.y:1886
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 149:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1889
+//line sql.y:1890
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 150:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1893
+//line sql.y:1894
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 151:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1899
+//line sql.y:1900
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 152:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1903
+//line sql.y:1904
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 153:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1909
+//line sql.y:1910
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 154:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1913
+//line sql.y:1914
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 155:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1920
+//line sql.y:1921
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 156:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1924
+//line sql.y:1925
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 157:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1930
+//line sql.y:1931
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 158:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1934
+//line sql.y:1935
 		{
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[3].bytes)
 		}
 	case 159:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1940
+//line sql.y:1941
 		{
 			yyVAL.optVal = NewIntVal(yyDollar[3].bytes)
 		}
 	case 160:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1946
+//line sql.y:1947
 		{
 			// Normal str as an identify, without quote
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[1].bytes)
 		}
 	case 161:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1951
+//line sql.y:1952
 		{
 			// Str with Quote, it will be parsed by Lex begin with quote \' or \"
 			yyVAL.optVal = NewStrVal(yyDollar[1].bytes)
 		}
 	case 162:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1958
+//line sql.y:1959
 		{
 			yyVAL.optVal = NewStrVal(yyDollar[3].bytes)
 		}
 	case 163:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1964
+//line sql.y:1965
 		{
 			yyVAL.optVal = yyDollar[3].optVal
 		}
 	case 164:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1970
+//line sql.y:1971
 		{
 			yyVAL.optVal = yyDollar[4].optVal
 		}
 	case 165:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1976
+//line sql.y:1977
 		{
 			yyVAL.tableSpec = &TableSpec{}
 			yyVAL.tableSpec.AddColumn(yyDollar[1].columnDefinition)
 		}
 	case 166:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1981
+//line sql.y:1982
 		{
 			yyVAL.tableSpec.AddColumn(yyDollar[3].columnDefinition)
 		}
 	case 167:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1985
+//line sql.y:1986
 		{
 			yyVAL.tableSpec.AddIndex(yyDollar[3].indexDefinition)
 		}
 	case 168:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1991
+//line sql.y:1992
 		{
 			yyDollar[2].columnType.NotNull = yyDollar[3].columnOptionListOpt.GetColumnOption(ColumnOptionNotNull).NotNull
 			yyDollar[2].columnType.Autoincrement = yyDollar[3].columnOptionListOpt.GetColumnOption(ColumnOptionAutoincrement).Autoincrement
@@ -3935,19 +3979,19 @@ yydefault:
 		}
 	case 169:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2007
+//line sql.y:2008
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
 	case 170:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2011
+//line sql.y:2012
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
 	case 171:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2017
+//line sql.y:2018
 		{
 			yyVAL.columnType = yyDollar[1].columnType
 			yyVAL.columnType.Unsigned = yyDollar[2].boolVal
@@ -3955,31 +3999,31 @@ yydefault:
 		}
 	case 175:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2027
+//line sql.y:2028
 		{
 			yyVAL.columnOptionListOpt.ColOptList = []*ColumnOption{}
 		}
 	case 176:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2031
+//line sql.y:2032
 		{
 			yyVAL.columnOptionListOpt.ColOptList = yyDollar[1].columnOptionList
 		}
 	case 177:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2037
+//line sql.y:2038
 		{
 			yyVAL.columnOptionList = append(yyVAL.columnOptionList, yyDollar[1].columnOption)
 		}
 	case 178:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2041
+//line sql.y:2042
 		{
 			yyVAL.columnOptionList = append(yyDollar[1].columnOptionList, yyDollar[2].columnOption)
 		}
 	case 179:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2047
+//line sql.y:2048
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:     ColumnOptionNotNull,
@@ -3988,7 +4032,7 @@ yydefault:
 		}
 	case 180:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2054
+//line sql.y:2055
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:     ColumnOptionDefault,
@@ -3997,7 +4041,7 @@ yydefault:
 		}
 	case 181:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2061
+//line sql.y:2062
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:           ColumnOptionAutoincrement,
@@ -4006,7 +4050,7 @@ yydefault:
 		}
 	case 182:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2068
+//line sql.y:2069
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:           ColumnOptionKeyPrimaryOpt,
@@ -4015,7 +4059,7 @@ yydefault:
 		}
 	case 183:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2075
+//line sql.y:2076
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:          ColumnOptionKeyUniqueOpt,
@@ -4024,7 +4068,7 @@ yydefault:
 		}
 	case 184:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2082
+//line sql.y:2083
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:     ColumnOptionComment,
@@ -4033,7 +4077,7 @@ yydefault:
 		}
 	case 185:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2089
+//line sql.y:2090
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:      ColumnOptionOnUpdate,
@@ -4042,7 +4086,7 @@ yydefault:
 		}
 	case 186:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2096
+//line sql.y:2097
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:     ColumnOptionCollate,
@@ -4051,7 +4095,7 @@ yydefault:
 		}
 	case 187:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2103
+//line sql.y:2104
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:          ColumnOptionFormat,
@@ -4060,7 +4104,7 @@ yydefault:
 		}
 	case 188:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2110
+//line sql.y:2111
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:     ColumnOptionStorage,
@@ -4069,74 +4113,74 @@ yydefault:
 		}
 	case 189:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2119
+//line sql.y:2120
 		{
 			yyVAL.columnType = yyDollar[1].columnType
 			yyVAL.columnType.Length = yyDollar[2].optVal
 		}
 	case 190:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2124
+//line sql.y:2125
 		{
 			yyVAL.columnType = yyDollar[1].columnType
 		}
 	case 191:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2130
+//line sql.y:2131
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 192:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2134
+//line sql.y:2135
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 193:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2138
+//line sql.y:2139
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 194:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2142
+//line sql.y:2143
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 195:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2146
+//line sql.y:2147
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 196:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2150
+//line sql.y:2151
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 197:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2154
+//line sql.y:2155
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 198:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2158
+//line sql.y:2159
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 199:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2162
+//line sql.y:2163
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 200:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2168
+//line sql.y:2169
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].lengthScaleOption.Length
@@ -4144,7 +4188,7 @@ yydefault:
 		}
 	case 201:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2174
+//line sql.y:2175
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].lengthScaleOption.Length
@@ -4152,7 +4196,7 @@ yydefault:
 		}
 	case 202:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2180
+//line sql.y:2181
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].lengthScaleOption.Length
@@ -4160,7 +4204,7 @@ yydefault:
 		}
 	case 203:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2186
+//line sql.y:2187
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].lengthScaleOption.Length
@@ -4168,7 +4212,7 @@ yydefault:
 		}
 	case 204:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2192
+//line sql.y:2193
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].lengthScaleOption.Length
@@ -4176,206 +4220,206 @@ yydefault:
 		}
 	case 205:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2200
+//line sql.y:2201
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 206:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2204
+//line sql.y:2205
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 207:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2208
+//line sql.y:2209
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 208:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2212
+//line sql.y:2213
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 209:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2216
+//line sql.y:2217
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 210:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2222
+//line sql.y:2223
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: yyDollar[3].str}
 		}
 	case 211:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2226
+//line sql.y:2227
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: yyDollar[3].str}
 		}
 	case 212:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2230
+//line sql.y:2231
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 213:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2234
+//line sql.y:2235
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
 	case 214:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2238
+//line sql.y:2239
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str}
 		}
 	case 215:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2242
+//line sql.y:2243
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str}
 		}
 	case 216:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2246
+//line sql.y:2247
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str}
 		}
 	case 217:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2250
+//line sql.y:2251
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str}
 		}
 	case 218:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2254
+//line sql.y:2255
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 219:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2258
+//line sql.y:2259
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 220:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2262
+//line sql.y:2263
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 221:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2266
+//line sql.y:2267
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 222:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2270
+//line sql.y:2271
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 223:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2274
+//line sql.y:2275
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), EnumValues: yyDollar[3].strs}
 		}
 	case 224:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2278
+//line sql.y:2279
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), EnumValues: yyDollar[3].strs}
 		}
 	case 225:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2284
+//line sql.y:2285
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 226:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2288
+//line sql.y:2289
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 227:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2292
+//line sql.y:2293
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 228:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2296
+//line sql.y:2297
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 229:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2300
+//line sql.y:2301
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 230:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2304
+//line sql.y:2305
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 231:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2308
+//line sql.y:2309
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 232:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2312
+//line sql.y:2313
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
 	case 233:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2318
+//line sql.y:2319
 		{
 			yyVAL.strs = make([]string, 0, 4)
 			yyVAL.strs = append(yyVAL.strs, "'"+string(yyDollar[1].bytes)+"'")
 		}
 	case 234:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2323
+//line sql.y:2324
 		{
 			yyVAL.strs = append(yyDollar[1].strs, "'"+string(yyDollar[3].bytes)+"'")
 		}
 	case 235:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2328
+//line sql.y:2329
 		{
 			yyVAL.optVal = nil
 		}
 	case 236:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2332
+//line sql.y:2333
 		{
 			yyVAL.optVal = NewIntVal(yyDollar[2].bytes)
 		}
 	case 237:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2337
+//line sql.y:2338
 		{
 			yyVAL.lengthScaleOption = LengthScaleOption{}
 		}
 	case 238:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2341
+//line sql.y:2342
 		{
 			yyVAL.lengthScaleOption = LengthScaleOption{
 				Length: NewIntVal(yyDollar[2].bytes),
@@ -4384,13 +4428,13 @@ yydefault:
 		}
 	case 239:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2349
+//line sql.y:2350
 		{
 			yyVAL.lengthScaleOption = LengthScaleOption{}
 		}
 	case 240:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2353
+//line sql.y:2354
 		{
 			yyVAL.lengthScaleOption = LengthScaleOption{
 				Length: NewIntVal(yyDollar[2].bytes),
@@ -4398,7 +4442,7 @@ yydefault:
 		}
 	case 241:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2359
+//line sql.y:2360
 		{
 			yyVAL.lengthScaleOption = LengthScaleOption{
 				Length: NewIntVal(yyDollar[2].bytes),
@@ -4407,73 +4451,73 @@ yydefault:
 		}
 	case 242:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2367
+//line sql.y:2368
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
 	case 243:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2371
+//line sql.y:2372
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
 	case 244:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2376
+//line sql.y:2377
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
 	case 245:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2380
+//line sql.y:2381
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
 	case 246:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2387
+//line sql.y:2388
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
 	case 247:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2391
+//line sql.y:2392
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
 	case 248:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2397
+//line sql.y:2398
 		{
 			yyVAL.optVal = NewStrVal(yyDollar[2].bytes)
 		}
 	case 249:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2401
+//line sql.y:2402
 		{
 			yyVAL.optVal = NewIntVal(yyDollar[2].bytes)
 		}
 	case 250:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2405
+//line sql.y:2406
 		{
 			yyVAL.optVal = NewFloatVal(yyDollar[2].bytes)
 		}
 	case 251:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2409
+//line sql.y:2410
 		{
 			yyVAL.optVal = NewValArg(yyDollar[2].bytes)
 		}
 	case 252:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2413
+//line sql.y:2414
 		{
 			yyVAL.optVal = NewStrValWithoutQuote([]byte(yyDollar[2].str))
 		}
 	case 253:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2417
+//line sql.y:2418
 		{
 			if yyDollar[2].boolVal {
 				yyVAL.optVal = NewStrValWithoutQuote([]byte("true"))
@@ -4483,109 +4527,109 @@ yydefault:
 		}
 	case 254:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2427
+//line sql.y:2428
 		{
 			yyVAL.str = yyDollar[3].str
 		}
 	case 255:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2433
+//line sql.y:2434
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
 	case 256:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2437
+//line sql.y:2438
 		{
 			yyVAL.str = string(yyDollar[1].bytes) + "(" + ")"
 		}
 	case 257:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2441
+//line sql.y:2442
 		{
 			yyVAL.str = string(yyDollar[1].bytes) + "(" + string(yyDollar[3].bytes) + ")"
 		}
 	case 258:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2449
+//line sql.y:2450
 		{
 			yyVAL.bytes = yyDollar[1].bytes
 		}
 	case 259:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2453
+//line sql.y:2454
 		{
 			yyVAL.bytes = yyDollar[1].bytes
 		}
 	case 260:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2457
+//line sql.y:2458
 		{
 			yyVAL.bytes = yyDollar[1].bytes
 		}
 	case 261:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2464
+//line sql.y:2465
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
 	case 262:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2469
+//line sql.y:2470
 		{
 			yyVAL.str = ""
 		}
 	case 263:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2473
+//line sql.y:2474
 		{
 			yyVAL.str = string(yyDollar[3].bytes)
 		}
 	case 264:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2477
+//line sql.y:2478
 		{
 			yyVAL.str = string(yyDollar[3].bytes)
 		}
 	case 265:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2484
+//line sql.y:2485
 		{
 			yyVAL.optVal = yyDollar[2].optVal
 		}
 	case 266:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2489
+//line sql.y:2490
 		{
 			yyVAL.str = ""
 		}
 	case 267:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2493
+//line sql.y:2494
 		{
 			yyVAL.str = string(yyDollar[2].bytes)
 		}
 	case 268:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2499
+//line sql.y:2500
 		{
 			yyVAL.str = string(yyDollar[2].bytes)
 		}
 	case 269:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2503
+//line sql.y:2504
 		{
 			yyVAL.str = string(yyDollar[2].bytes)
 		}
 	case 270:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2507
+//line sql.y:2508
 		{
 			yyVAL.str = string(yyDollar[2].bytes)
 		}
 	case 271:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2513
+//line sql.y:2514
 		{
 			// "default" is not in official doc: https://dev.mysql.com/doc/refman/5.7/en/create-table.html
 			// but actually mysql support it, see: https://github.com/mysql/mysql-server/blob/5.7/sql/sql_yacc.yy#L6953
@@ -4593,25 +4637,25 @@ yydefault:
 		}
 	case 272:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2519
+//line sql.y:2520
 		{
 			yyVAL.str = string(yyDollar[2].bytes)
 		}
 	case 273:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2523
+//line sql.y:2524
 		{
 			yyVAL.str = string(yyDollar[2].bytes)
 		}
 	case 274:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2529
+//line sql.y:2530
 		{
 			yyVAL.colPrimaryKeyOpt = ColKeyPrimary
 		}
 	case 275:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2533
+//line sql.y:2534
 		{
 			// KEY is normally a synonym for INDEX. The key attribute PRIMARY KEY
 			// can also be specified as just KEY when given in a column definition.
@@ -4620,25 +4664,25 @@ yydefault:
 		}
 	case 276:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2542
+//line sql.y:2543
 		{
 			yyVAL.colUniqueKeyOpt = ColKeyUniqueKey
 		}
 	case 277:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2546
+//line sql.y:2547
 		{
 			yyVAL.colUniqueKeyOpt = ColKeyUniqueKey
 		}
 	case 278:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2552
+//line sql.y:2553
 		{
 			yyVAL.optVal = NewStrVal(yyDollar[2].bytes)
 		}
 	case 279:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:2558
+//line sql.y:2559
 		{
 			// TODO(): in the future we'll support format out index_type, currently skip it.
 			// If index_name is empty, becarful that the `name` result will be diffirent when doing format.
@@ -4652,7 +4696,7 @@ yydefault:
 		}
 	case 280:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:2570
+//line sql.y:2571
 		{
 			typ := string(yyDollar[1].bytes)
 			if yyDollar[3].str != "" {
@@ -4668,7 +4712,7 @@ yydefault:
 		}
 	case 281:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:2584
+//line sql.y:2585
 		{
 			// TODO(): in the future we'll support format out index_type, currently skip it
 			yyVAL.indexDefinition = &IndexDefinition{
@@ -4681,7 +4725,7 @@ yydefault:
 		}
 	case 282:
 		yyDollar = yyS[yypt-9 : yypt+1]
-//line sql.y:2595
+//line sql.y:2596
 		{
 			// TODO(): in the future we'll support format out index_type, currently skip it
 			typ := string(yyDollar[2].bytes)
@@ -4698,19 +4742,19 @@ yydefault:
 		}
 	case 283:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2611
+//line sql.y:2612
 		{
 			yyVAL.str = ""
 		}
 	case 284:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2615
+//line sql.y:2616
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
 	case 285:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2621
+//line sql.y:2622
 		{
 			yyVAL.indexOption = &IndexOption{
 				Type: IndexOptionBlockSize,
@@ -4719,7 +4763,7 @@ yydefault:
 		}
 	case 286:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2628
+//line sql.y:2629
 		{
 			yyVAL.indexOption = &IndexOption{
 				Type: IndexOptionUsing,
@@ -4728,7 +4772,7 @@ yydefault:
 		}
 	case 287:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2635
+//line sql.y:2636
 		{
 			yyVAL.indexOption = &IndexOption{
 				Type: IndexOptionComment,
@@ -4737,7 +4781,7 @@ yydefault:
 		}
 	case 288:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2642
+//line sql.y:2643
 		{
 			yyVAL.indexOption = &IndexOption{
 				Type: IndexOptionParser,
@@ -4746,174 +4790,174 @@ yydefault:
 		}
 	case 289:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2650
+//line sql.y:2651
 		{
 			yyVAL.indexOptionList = []*IndexOption{}
 		}
 	case 290:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2654
+//line sql.y:2655
 		{
 			yyVAL.indexOptionList = append(yyDollar[1].indexOptionList, yyDollar[2].indexOption)
 		}
 	case 291:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2660
+//line sql.y:2661
 		{
 		}
 	case 292:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2663
+//line sql.y:2664
 		{
 		}
 	case 293:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2666
+//line sql.y:2667
 		{
 		}
 	case 294:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2672
+//line sql.y:2673
 		{
 			yyVAL.bytes = yyDollar[2].bytes
 		}
 	case 295:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2677
+//line sql.y:2678
 		{
 		}
 	case 296:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2680
+//line sql.y:2681
 		{
 			yyVAL.bytes = yyDollar[1].bytes
 		}
 	case 297:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2686
+//line sql.y:2687
 		{
 			yyVAL.bytes = yyDollar[1].bytes
 		}
 	case 298:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2690
+//line sql.y:2691
 		{
 			yyVAL.bytes = yyDollar[1].bytes
 		}
 	case 299:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2694
+//line sql.y:2695
 		{
 			yyVAL.bytes = yyDollar[1].bytes
 		}
 	case 300:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2700
+//line sql.y:2701
 		{
 			yyVAL.bytes = yyDollar[1].bytes
 		}
 	case 301:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2704
+//line sql.y:2705
 		{
 			yyVAL.bytes = yyDollar[1].bytes
 		}
 	case 302:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2709
+//line sql.y:2710
 		{
 			// set empty
 			yyVAL.str = ""
 		}
 	case 303:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2714
+//line sql.y:2715
 		{
 			yyVAL.str = yyDollar[1].str
 		}
 	case 304:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2721
+//line sql.y:2722
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
 	case 305:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2725
+//line sql.y:2726
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
 	case 306:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2731
+//line sql.y:2732
 		{
 			yyVAL.indexColumns = []*IndexColumn{yyDollar[1].indexColumn}
 		}
 	case 307:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2735
+//line sql.y:2736
 		{
 			yyVAL.indexColumns = append(yyVAL.indexColumns, yyDollar[3].indexColumn)
 		}
 	case 308:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2741
+//line sql.y:2742
 		{
 			yyVAL.indexColumn = &IndexColumn{Column: yyDollar[1].colIdent, Length: yyDollar[2].optVal}
 		}
 	case 309:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2747
+//line sql.y:2748
 		{
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName}
 		}
 	case 310:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:2751
+//line sql.y:2752
 		{
 			// Change this to a rename statement
 			yyVAL.statement = &DDL{Action: RenameStr, Table: yyDollar[4].tableName, NewName: yyDollar[7].tableName}
 		}
 	case 311:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:2756
+//line sql.y:2757
 		{
 			// Rename an index can just be an alter
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName}
 		}
 	case 312:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:2761
+//line sql.y:2762
 		{
 			yyVAL.statement = &DDL{Action: AlterEngineStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName, Engine: string(yyDollar[7].bytes)}
 		}
 	case 313:
 		yyDollar = yyS[yypt-9 : yypt+1]
-//line sql.y:2765
+//line sql.y:2766
 		{
 			yyVAL.statement = &DDL{Action: AlterCharsetStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName, Charset: string(yyDollar[9].bytes)}
 		}
 	case 314:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:2769
+//line sql.y:2770
 		{
 			yyVAL.statement = &DDL{Action: AlterAddColumnStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName, TableSpec: yyDollar[7].tableSpec}
 		}
 	case 315:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:2773
+//line sql.y:2774
 		{
 			yyVAL.statement = &DDL{Action: AlterDropColumnStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName, DropColumnName: string(yyDollar[7].bytes)}
 		}
 	case 316:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:2777
+//line sql.y:2778
 		{
 			yyVAL.statement = &DDL{Action: AlterModifyColumnStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName, ModifyColumnDef: yyDollar[7].columnDefinition}
 		}
 	case 317:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2783
+//line sql.y:2784
 		{
 			var exists bool
 			if yyDollar[3].byt != 0 {
@@ -4923,14 +4967,14 @@ yydefault:
 		}
 	case 318:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2791
+//line sql.y:2792
 		{
 			// Change this to an alter statement
 			yyVAL.statement = &DDL{Action: DropIndexStr, IndexName: string(yyDollar[3].bytes), Table: yyDollar[5].tableName, NewName: yyDollar[5].tableName}
 		}
 	case 319:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2796
+//line sql.y:2797
 		{
 			var exists bool
 			if yyDollar[3].byt != 0 {
@@ -4940,169 +4984,169 @@ yydefault:
 		}
 	case 320:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2806
+//line sql.y:2807
 		{
 			yyVAL.tableNames = TableNames{yyDollar[1].tableName}
 		}
 	case 321:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2810
+//line sql.y:2811
 		{
 			yyVAL.tableNames = append(yyVAL.tableNames, yyDollar[3].tableName)
 		}
 	case 322:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2816
+//line sql.y:2817
 		{
 			yyVAL.statement = &DDL{Action: TruncateTableStr, Table: yyDollar[3].tableName, NewName: yyDollar[3].tableName}
 		}
 	case 323:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2822
+//line sql.y:2823
 		{
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[3].tableName, NewName: yyDollar[3].tableName}
 		}
 	case 324:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2828
+//line sql.y:2829
 		{
 			yyVAL.statement = &Xa{}
 		}
 	case 325:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2834
+//line sql.y:2835
 		{
 			yyVAL.statement = &Explain{}
 		}
 	case 326:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2840
+//line sql.y:2841
 		{
 			yyVAL.statement = &Kill{QueryID: &NumVal{raw: string(yyDollar[2].bytes)}}
 		}
 	case 327:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2844
+//line sql.y:2845
 		{
 			yyVAL.statement = &Kill{QueryID: &NumVal{raw: string(yyDollar[3].bytes)}}
 		}
 	case 328:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2850
+//line sql.y:2851
 		{
 			yyVAL.statement = &Transaction{Action: BeginTxnStr}
 		}
 	case 329:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2854
+//line sql.y:2855
 		{
 			yyVAL.statement = &Transaction{Action: StartTxnStr}
 		}
 	case 330:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2858
+//line sql.y:2859
 		{
 			yyVAL.statement = &Transaction{Action: RollbackTxnStr}
 		}
 	case 331:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2862
+//line sql.y:2863
 		{
 			yyVAL.statement = &Transaction{Action: CommitTxnStr}
 		}
 	case 332:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2868
+//line sql.y:2869
 		{
 			yyVAL.statement = &Radon{Action: AttachStr, Row: yyDollar[3].valTuple}
 		}
 	case 333:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2872
+//line sql.y:2873
 		{
 			yyVAL.statement = &Radon{Action: DetachStr, Row: yyDollar[3].valTuple}
 		}
 	case 334:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2876
+//line sql.y:2877
 		{
 			yyVAL.statement = &Radon{Action: AttachListStr}
 		}
 	case 335:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2880
+//line sql.y:2881
 		{
 			yyVAL.statement = &Radon{Action: ReshardStr, Table: yyDollar[3].tableName, NewName: yyDollar[5].tableName}
 		}
 	case 336:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2884
+//line sql.y:2885
 		{
 			yyVAL.statement = &Radon{Action: CleanupStr}
 		}
 	case 337:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2888
+//line sql.y:2889
 		{
 			yyVAL.statement = &Radon{Action: RebalanceStr}
 		}
 	case 338:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2892
+//line sql.y:2893
 		{
 			yyVAL.statement = &Radon{Action: XARecoverStr}
 		}
 	case 339:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2896
+//line sql.y:2897
 		{
 			yyVAL.statement = &Radon{Action: XACommitStr}
 		}
 	case 340:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2900
+//line sql.y:2901
 		{
 			yyVAL.statement = &Radon{Action: XARollbackStr}
 		}
 	case 341:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2906
+//line sql.y:2907
 		{
 			yyVAL.statement = &Show{Type: ShowBinlogEventsStr, From: yyDollar[4].str, Limit: yyDollar[5].limit}
 		}
 	case 342:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2910
+//line sql.y:2911
 		{
 			yyVAL.statement = &Show{Type: ShowCreateTableStr, Table: yyDollar[4].tableName}
 		}
 	case 343:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2914
+//line sql.y:2915
 		{
 			yyVAL.statement = &Show{Type: ShowCreateDatabaseStr, Database: yyDollar[4].tableIdent.v}
 		}
 	case 344:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2918
+//line sql.y:2919
 		{
 			yyVAL.statement = &Show{Type: ShowDatabasesStr}
 		}
 	case 345:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2922
+//line sql.y:2923
 		{
 			yyVAL.statement = &Show{Type: ShowEnginesStr}
 		}
 	case 346:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2926
+//line sql.y:2927
 		{
 			yyVAL.statement = &Show{Full: yyDollar[2].str, Type: ShowTablesStr, Database: yyDollar[4].str, Filter: yyDollar[5].showFilter}
 		}
 	case 347:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2930
+//line sql.y:2931
 		{
 			if yyDollar[5].str != "" {
 				yyDollar[4].tableName.Qualifier.v = yyDollar[5].str
@@ -5115,7 +5159,7 @@ yydefault:
 		}
 	case 348:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:2941
+//line sql.y:2942
 		{
 			if yyDollar[6].str != "" {
 				yyDollar[5].tableName.Qualifier.v = yyDollar[6].str
@@ -5124,512 +5168,524 @@ yydefault:
 		}
 	case 349:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2948
+//line sql.y:2949
 		{
 			yyVAL.statement = &Show{Type: ShowProcesslistStr}
 		}
 	case 350:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2952
+//line sql.y:2953
 		{
 			yyVAL.statement = &Show{Type: ShowQueryzStr}
 		}
 	case 351:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2956
+//line sql.y:2957
 		{
 			yyVAL.statement = &Show{Type: ShowStatusStr}
 		}
 	case 352:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2960
+//line sql.y:2961
 		{
 			yyVAL.statement = &Show{Type: ShowTableStatusStr, Database: yyDollar[4].str}
 		}
 	case 353:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2964
+//line sql.y:2965
 		{
 			yyVAL.statement = &Show{Type: ShowTxnzStr}
 		}
 	case 354:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2968
+//line sql.y:2969
 		{
 			yyVAL.statement = &Show{Type: ShowVariablesStr}
 		}
 	case 355:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2972
+//line sql.y:2973
 		{
 			yyVAL.statement = &Show{Type: ShowVersionsStr}
 		}
 	case 356:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2976
+//line sql.y:2977
 		{
 			yyVAL.statement = &Show{Type: ShowWarningsStr}
 		}
 	case 357:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2980
+//line sql.y:2981
 		{
-			yyVAL.statement = &Show{Type: ShowUnsupportedStr}
+			yyVAL.statement = &Show{Type: ShowCollationStr}
 		}
 	case 358:
-		yyDollar = yyS[yypt-0 : yypt+1]
+		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:2985
 		{
-			yyVAL.str = ""
+			yyVAL.statement = &Show{Type: ShowCharsetStr}
 		}
 	case 359:
 		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:2989
 		{
-			yyVAL.str = string(yyDollar[3].bytes)
+			yyVAL.statement = &Show{Type: ShowUnsupportedStr}
 		}
 	case 360:
+		yyDollar = yyS[yypt-0 : yypt+1]
+//line sql.y:2994
+		{
+			yyVAL.str = ""
+		}
+	case 361:
+		yyDollar = yyS[yypt-3 : yypt+1]
+//line sql.y:2998
+		{
+			yyVAL.str = string(yyDollar[3].bytes)
+		}
+	case 362:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2995
+//line sql.y:3004
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 361:
+	case 363:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2999
+//line sql.y:3008
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 362:
+	case 364:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3003
+//line sql.y:3012
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 363:
+	case 365:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3009
+//line sql.y:3018
 		{
 			yyVAL.str = ""
 		}
-	case 364:
+	case 366:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3013
+//line sql.y:3022
 		{
 			yyVAL.str = yyDollar[2].tableIdent.v
 		}
-	case 365:
+	case 367:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3019
+//line sql.y:3028
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 366:
+	case 368:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3023
+//line sql.y:3032
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 367:
+	case 369:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3029
+//line sql.y:3038
 		{
 			yyVAL.str = ""
 		}
-	case 368:
+	case 370:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3033
+//line sql.y:3042
 		{
 			yyVAL.str = "full "
 		}
-	case 369:
+	case 371:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3039
+//line sql.y:3048
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 370:
+	case 372:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3043
+//line sql.y:3052
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 371:
+	case 373:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3049
+//line sql.y:3058
 		{
 			yyVAL.showFilter = nil
 		}
-	case 372:
+	case 374:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3053
+//line sql.y:3062
 		{
 			yyVAL.showFilter = &ShowFilter{Like: string(yyDollar[2].bytes)}
 		}
-	case 373:
+	case 375:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3057
+//line sql.y:3066
 		{
 			yyVAL.showFilter = &ShowFilter{Filter: yyDollar[2].expr}
 		}
-	case 374:
+	case 376:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3063
+//line sql.y:3072
 		{
 			yyVAL.statement = &Checksum{Table: yyDollar[3].tableName}
 		}
-	case 375:
+	case 377:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3069
+//line sql.y:3078
 		{
 			yyVAL.statement = &Use{DBName: yyDollar[2].tableIdent}
 		}
-	case 376:
+	case 378:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3075
+//line sql.y:3084
 		{
 			yyVAL.statement = &OtherRead{}
 		}
-	case 377:
+	case 379:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3079
+//line sql.y:3088
 		{
 			yyVAL.statement = &OtherRead{}
 		}
-	case 378:
+	case 380:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3083
+//line sql.y:3092
 		{
 			yyVAL.statement = &OtherAdmin{}
 		}
-	case 379:
+	case 381:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3087
+//line sql.y:3096
 		{
 			yyVAL.statement = &OtherAdmin{}
 		}
-	case 380:
+	case 382:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3092
+//line sql.y:3101
 		{
 			setAllowComments(yylex, true)
 		}
-	case 381:
+	case 383:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3095
+//line sql.y:3104
 		{
 			yyVAL.bytes2 = yyDollar[2].bytes2
 			setAllowComments(yylex, false)
 		}
-	case 382:
+	case 384:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3101
+//line sql.y:3110
 		{
 			yyVAL.bytes2 = nil
 		}
-	case 383:
+	case 385:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3105
+//line sql.y:3114
 		{
 			yyVAL.bytes2 = append(yyDollar[1].bytes2, yyDollar[2].bytes)
 		}
-	case 384:
+	case 386:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3111
+//line sql.y:3120
 		{
 			yyVAL.str = UnionStr
 		}
-	case 385:
+	case 387:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3115
+//line sql.y:3124
 		{
 			yyVAL.str = UnionAllStr
 		}
-	case 386:
+	case 388:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3119
+//line sql.y:3128
 		{
 			yyVAL.str = UnionDistinctStr
 		}
-	case 387:
+	case 389:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3124
+//line sql.y:3133
 		{
 			yyVAL.str = ""
 		}
-	case 388:
+	case 390:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3128
+//line sql.y:3137
 		{
 			yyVAL.str = SQLNoCacheStr
 		}
-	case 389:
+	case 391:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3132
+//line sql.y:3141
 		{
 			yyVAL.str = SQLCacheStr
 		}
-	case 390:
+	case 392:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3137
+//line sql.y:3146
 		{
 			yyVAL.str = ""
 		}
-	case 391:
+	case 393:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3141
+//line sql.y:3150
 		{
 			yyVAL.str = DistinctStr
 		}
-	case 392:
+	case 394:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3146
+//line sql.y:3155
 		{
 			yyVAL.str = ""
 		}
-	case 393:
+	case 395:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3150
+//line sql.y:3159
 		{
 			yyVAL.str = StraightJoinHint
 		}
-	case 394:
+	case 396:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3155
+//line sql.y:3164
 		{
 			yyVAL.selectExprs = nil
 		}
-	case 395:
+	case 397:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3159
+//line sql.y:3168
 		{
 			yyVAL.selectExprs = yyDollar[1].selectExprs
 		}
-	case 396:
+	case 398:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3165
+//line sql.y:3174
 		{
 			yyVAL.selectExprs = SelectExprs{yyDollar[1].selectExpr}
 		}
-	case 397:
+	case 399:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3169
+//line sql.y:3178
 		{
 			yyVAL.selectExprs = append(yyVAL.selectExprs, yyDollar[3].selectExpr)
 		}
-	case 398:
+	case 400:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3175
+//line sql.y:3184
 		{
 			yyVAL.selectExpr = &StarExpr{}
 		}
-	case 399:
+	case 401:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3179
+//line sql.y:3188
 		{
 			yyVAL.selectExpr = &AliasedExpr{Expr: yyDollar[1].expr, As: yyDollar[2].colIdent}
 		}
-	case 400:
+	case 402:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3183
+//line sql.y:3192
 		{
 			yyVAL.selectExpr = &StarExpr{TableName: TableName{Name: yyDollar[1].tableIdent}}
 		}
-	case 401:
+	case 403:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:3187
+//line sql.y:3196
 		{
 			yyVAL.selectExpr = &StarExpr{TableName: TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}}
 		}
-	case 402:
+	case 404:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3192
+//line sql.y:3201
 		{
 			yyVAL.colIdent = ColIdent{}
 		}
-	case 403:
+	case 405:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3196
+//line sql.y:3205
 		{
 			yyVAL.colIdent = yyDollar[1].colIdent
 		}
-	case 404:
+	case 406:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3200
+//line sql.y:3209
 		{
 			yyVAL.colIdent = yyDollar[2].colIdent
 		}
-	case 406:
+	case 408:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3207
+//line sql.y:3216
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 407:
+	case 409:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3212
+//line sql.y:3221
 		{
 			yyVAL.tableExprs = TableExprs{&AliasedTableExpr{Expr: TableName{Name: NewTableIdent("dual")}}}
 		}
-	case 408:
+	case 410:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3216
+//line sql.y:3225
 		{
 			yyVAL.tableExprs = yyDollar[2].tableExprs
 		}
-	case 409:
+	case 411:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3222
+//line sql.y:3231
 		{
 			yyVAL.tableExprs = TableExprs{yyDollar[1].tableExpr}
 		}
-	case 410:
+	case 412:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3226
+//line sql.y:3235
 		{
 			yyVAL.tableExprs = append(yyVAL.tableExprs, yyDollar[3].tableExpr)
 		}
-	case 413:
+	case 415:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3236
+//line sql.y:3245
 		{
 			yyVAL.tableExpr = yyDollar[1].aliasedTableName
 		}
-	case 414:
+	case 416:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3240
+//line sql.y:3249
 		{
 			yyVAL.tableExpr = &AliasedTableExpr{Expr: yyDollar[1].subquery, As: yyDollar[3].tableIdent}
 		}
-	case 415:
+	case 417:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3244
+//line sql.y:3253
 		{
 			yyVAL.tableExpr = &ParenTableExpr{Exprs: yyDollar[2].tableExprs}
 		}
-	case 416:
+	case 418:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3250
+//line sql.y:3259
 		{
 			yyVAL.aliasedTableName = &AliasedTableExpr{Expr: yyDollar[1].tableName, As: yyDollar[2].tableIdent, Hints: yyDollar[3].indexHints}
 		}
-	case 417:
+	case 419:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3263
+//line sql.y:3272
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr}
 		}
-	case 418:
+	case 420:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:3267
+//line sql.y:3276
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr, On: yyDollar[5].expr}
 		}
-	case 419:
+	case 421:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:3271
+//line sql.y:3280
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr, On: yyDollar[5].expr}
 		}
-	case 420:
+	case 422:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3275
+//line sql.y:3284
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr}
 		}
-	case 421:
+	case 423:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3280
+//line sql.y:3289
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 422:
+	case 424:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3284
+//line sql.y:3293
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 423:
+	case 425:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3289
+//line sql.y:3298
 		{
 			yyVAL.tableIdent = NewTableIdent("")
 		}
-	case 424:
+	case 426:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3293
+//line sql.y:3302
 		{
 			yyVAL.tableIdent = yyDollar[1].tableIdent
 		}
-	case 425:
+	case 427:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3297
+//line sql.y:3306
 		{
 			yyVAL.tableIdent = yyDollar[2].tableIdent
 		}
-	case 427:
+	case 429:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3304
+//line sql.y:3313
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
-	case 428:
+	case 430:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3310
+//line sql.y:3319
 		{
 			yyVAL.str = JoinStr
 		}
-	case 429:
+	case 431:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3314
+//line sql.y:3323
 		{
 			yyVAL.str = JoinStr
 		}
-	case 430:
+	case 432:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3318
+//line sql.y:3327
 		{
 			yyVAL.str = JoinStr
 		}
-	case 431:
+	case 433:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3322
+//line sql.y:3331
 		{
 			yyVAL.str = StraightJoinStr
 		}
-	case 432:
+	case 434:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3328
+//line sql.y:3337
 		{
 			yyVAL.str = LeftJoinStr
 		}
-	case 433:
+	case 435:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3332
+//line sql.y:3341
 		{
 			yyVAL.str = LeftJoinStr
 		}
-	case 434:
+	case 436:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3336
+//line sql.y:3345
 		{
 			yyVAL.str = RightJoinStr
 		}
-	case 435:
+	case 437:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3340
+//line sql.y:3349
 		{
 			yyVAL.str = RightJoinStr
 		}
-	case 436:
+	case 438:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3346
+//line sql.y:3355
 		{
 			yyVAL.str = NaturalJoinStr
 		}
-	case 437:
+	case 439:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3350
+//line sql.y:3359
 		{
 			if yyDollar[2].str == LeftJoinStr {
 				yyVAL.str = NaturalLeftJoinStr
@@ -5637,459 +5693,459 @@ yydefault:
 				yyVAL.str = NaturalRightJoinStr
 			}
 		}
-	case 438:
+	case 440:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3360
+//line sql.y:3369
 		{
 			yyVAL.tableName = yyDollar[2].tableName
 		}
-	case 439:
+	case 441:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3364
+//line sql.y:3373
 		{
 			yyVAL.tableName = yyDollar[1].tableName
 		}
-	case 440:
+	case 442:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3370
+//line sql.y:3379
 		{
 			yyVAL.tableName = TableName{Name: yyDollar[1].tableIdent}
 		}
-	case 441:
+	case 443:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3374
+//line sql.y:3383
 		{
 			yyVAL.tableName = TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}
 		}
-	case 442:
+	case 444:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3379
+//line sql.y:3388
 		{
 			yyVAL.indexHints = nil
 		}
-	case 443:
+	case 445:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:3383
+//line sql.y:3392
 		{
 			yyVAL.indexHints = &IndexHints{Type: UseStr, Indexes: yyDollar[4].colIdents}
 		}
-	case 444:
+	case 446:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:3387
+//line sql.y:3396
 		{
 			yyVAL.indexHints = &IndexHints{Type: IgnoreStr, Indexes: yyDollar[4].colIdents}
 		}
-	case 445:
+	case 447:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:3391
+//line sql.y:3400
 		{
 			yyVAL.indexHints = &IndexHints{Type: ForceStr, Indexes: yyDollar[4].colIdents}
 		}
-	case 446:
+	case 448:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3397
+//line sql.y:3406
 		{
 			yyVAL.colIdents = []ColIdent{yyDollar[1].colIdent}
 		}
-	case 447:
+	case 449:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3401
+//line sql.y:3410
 		{
 			yyVAL.colIdents = append(yyDollar[1].colIdents, yyDollar[3].colIdent)
 		}
-	case 448:
+	case 450:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3406
+//line sql.y:3415
 		{
 			yyVAL.expr = nil
 		}
-	case 449:
+	case 451:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3410
+//line sql.y:3419
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 450:
+	case 452:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3416
+//line sql.y:3425
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 451:
+	case 453:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3420
+//line sql.y:3429
 		{
 			yyVAL.expr = &AndExpr{Left: yyDollar[1].expr, Right: yyDollar[3].expr}
 		}
-	case 452:
+	case 454:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3424
+//line sql.y:3433
 		{
 			yyVAL.expr = &OrExpr{Left: yyDollar[1].expr, Right: yyDollar[3].expr}
 		}
-	case 453:
+	case 455:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3428
+//line sql.y:3437
 		{
 			yyVAL.expr = &NotExpr{Expr: yyDollar[2].expr}
 		}
-	case 454:
+	case 456:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3432
+//line sql.y:3441
 		{
 			yyVAL.expr = &IsExpr{Operator: yyDollar[3].str, Expr: yyDollar[1].expr}
 		}
-	case 455:
+	case 457:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3436
+//line sql.y:3445
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 456:
+	case 458:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3440
+//line sql.y:3449
 		{
 			yyVAL.expr = &Default{ColName: yyDollar[2].str}
 		}
-	case 457:
+	case 459:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3446
+//line sql.y:3455
 		{
 			yyVAL.str = ""
 		}
-	case 458:
+	case 460:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3450
+//line sql.y:3459
 		{
 			yyVAL.str = string(yyDollar[2].bytes)
 		}
-	case 459:
+	case 461:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3456
+//line sql.y:3465
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
-	case 460:
+	case 462:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3460
+//line sql.y:3469
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
-	case 461:
+	case 463:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3466
+//line sql.y:3475
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: yyDollar[2].str, Right: yyDollar[3].expr}
 		}
-	case 462:
+	case 464:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3470
+//line sql.y:3479
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: InStr, Right: yyDollar[3].colTuple}
 		}
-	case 463:
+	case 465:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3474
+//line sql.y:3483
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotInStr, Right: yyDollar[4].colTuple}
 		}
-	case 464:
+	case 466:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3478
+//line sql.y:3487
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: LikeStr, Right: yyDollar[3].expr, Escape: yyDollar[4].expr}
 		}
-	case 465:
+	case 467:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:3482
+//line sql.y:3491
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotLikeStr, Right: yyDollar[4].expr, Escape: yyDollar[5].expr}
 		}
-	case 466:
+	case 468:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3486
+//line sql.y:3495
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: RegexpStr, Right: yyDollar[3].expr}
 		}
-	case 467:
+	case 469:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3490
+//line sql.y:3499
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotRegexpStr, Right: yyDollar[4].expr}
 		}
-	case 468:
+	case 470:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:3494
+//line sql.y:3503
 		{
 			yyVAL.expr = &RangeCond{Left: yyDollar[1].expr, Operator: BetweenStr, From: yyDollar[3].expr, To: yyDollar[5].expr}
 		}
-	case 469:
+	case 471:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:3498
+//line sql.y:3507
 		{
 			yyVAL.expr = &RangeCond{Left: yyDollar[1].expr, Operator: NotBetweenStr, From: yyDollar[4].expr, To: yyDollar[6].expr}
 		}
-	case 470:
+	case 472:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3502
+//line sql.y:3511
 		{
 			yyVAL.expr = &ExistsExpr{Subquery: yyDollar[2].subquery}
 		}
-	case 471:
+	case 473:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3508
+//line sql.y:3517
 		{
 			yyVAL.str = IsNullStr
 		}
-	case 472:
+	case 474:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3512
+//line sql.y:3521
 		{
 			yyVAL.str = IsNotNullStr
 		}
-	case 473:
+	case 475:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3516
+//line sql.y:3525
 		{
 			yyVAL.str = IsTrueStr
 		}
-	case 474:
+	case 476:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3520
+//line sql.y:3529
 		{
 			yyVAL.str = IsNotTrueStr
 		}
-	case 475:
+	case 477:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3524
+//line sql.y:3533
 		{
 			yyVAL.str = IsFalseStr
 		}
-	case 476:
+	case 478:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3528
+//line sql.y:3537
 		{
 			yyVAL.str = IsNotFalseStr
 		}
-	case 477:
+	case 479:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3534
+//line sql.y:3543
 		{
 			yyVAL.str = EqualStr
 		}
-	case 478:
+	case 480:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3538
+//line sql.y:3547
 		{
 			yyVAL.str = LessThanStr
 		}
-	case 479:
+	case 481:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3542
+//line sql.y:3551
 		{
 			yyVAL.str = GreaterThanStr
 		}
-	case 480:
+	case 482:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3546
+//line sql.y:3555
 		{
 			yyVAL.str = LessEqualStr
 		}
-	case 481:
+	case 483:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3550
+//line sql.y:3559
 		{
 			yyVAL.str = GreaterEqualStr
 		}
-	case 482:
+	case 484:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3554
+//line sql.y:3563
 		{
 			yyVAL.str = NotEqualStr
 		}
-	case 483:
+	case 485:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3558
+//line sql.y:3567
 		{
 			yyVAL.str = NullSafeEqualStr
 		}
-	case 484:
+	case 486:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3563
+//line sql.y:3572
 		{
 			yyVAL.expr = nil
 		}
-	case 485:
+	case 487:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3567
+//line sql.y:3576
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 486:
+	case 488:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3573
+//line sql.y:3582
 		{
 			yyVAL.colTuple = yyDollar[1].valTuple
 		}
-	case 487:
+	case 489:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3577
+//line sql.y:3586
 		{
 			yyVAL.colTuple = yyDollar[1].subquery
 		}
-	case 488:
+	case 490:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3581
+//line sql.y:3590
 		{
 			yyVAL.colTuple = ListArg(yyDollar[1].bytes)
 		}
-	case 489:
+	case 491:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3587
+//line sql.y:3596
 		{
 			yyVAL.subquery = &Subquery{yyDollar[2].selStmt}
 		}
-	case 490:
+	case 492:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3593
+//line sql.y:3602
 		{
 			yyVAL.exprs = Exprs{yyDollar[1].expr}
 		}
-	case 491:
+	case 493:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3597
+//line sql.y:3606
 		{
 			yyVAL.exprs = append(yyDollar[1].exprs, yyDollar[3].expr)
 		}
-	case 492:
+	case 494:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3603
+//line sql.y:3612
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 493:
+	case 495:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3607
+//line sql.y:3616
 		{
 			yyVAL.expr = yyDollar[1].boolVal
 		}
-	case 494:
+	case 496:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3611
+//line sql.y:3620
 		{
 			yyVAL.expr = yyDollar[1].colName
 		}
-	case 495:
+	case 497:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3615
+//line sql.y:3624
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 496:
+	case 498:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3619
+//line sql.y:3628
 		{
 			yyVAL.expr = yyDollar[1].subquery
 		}
-	case 497:
+	case 499:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3623
+//line sql.y:3632
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitAndStr, Right: yyDollar[3].expr}
 		}
-	case 498:
+	case 500:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3627
+//line sql.y:3636
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitOrStr, Right: yyDollar[3].expr}
 		}
-	case 499:
+	case 501:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3631
+//line sql.y:3640
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitXorStr, Right: yyDollar[3].expr}
 		}
-	case 500:
+	case 502:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3635
+//line sql.y:3644
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: PlusStr, Right: yyDollar[3].expr}
 		}
-	case 501:
+	case 503:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3639
+//line sql.y:3648
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: MinusStr, Right: yyDollar[3].expr}
 		}
-	case 502:
+	case 504:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3643
+//line sql.y:3652
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: MultStr, Right: yyDollar[3].expr}
 		}
-	case 503:
+	case 505:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3647
+//line sql.y:3656
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: DivStr, Right: yyDollar[3].expr}
 		}
-	case 504:
+	case 506:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3651
+//line sql.y:3660
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: IntDivStr, Right: yyDollar[3].expr}
 		}
-	case 505:
+	case 507:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3655
+//line sql.y:3664
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ModStr, Right: yyDollar[3].expr}
 		}
-	case 506:
+	case 508:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3659
+//line sql.y:3668
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ModStr, Right: yyDollar[3].expr}
 		}
-	case 507:
+	case 509:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3663
+//line sql.y:3672
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ShiftLeftStr, Right: yyDollar[3].expr}
 		}
-	case 508:
+	case 510:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3667
+//line sql.y:3676
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ShiftRightStr, Right: yyDollar[3].expr}
 		}
-	case 509:
+	case 511:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3671
+//line sql.y:3680
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].colName, Operator: JSONExtractOp, Right: yyDollar[3].expr}
 		}
-	case 510:
+	case 512:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3675
+//line sql.y:3684
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].colName, Operator: JSONUnquoteExtractOp, Right: yyDollar[3].expr}
 		}
-	case 511:
+	case 513:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3679
+//line sql.y:3688
 		{
 			yyVAL.expr = &CollateExpr{Expr: yyDollar[1].expr, Charset: yyDollar[3].str}
 		}
-	case 512:
+	case 514:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3683
+//line sql.y:3692
 		{
 			yyVAL.expr = &UnaryExpr{Operator: BinaryStr, Expr: yyDollar[2].expr}
 		}
-	case 513:
+	case 515:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3687
+//line sql.y:3696
 		{
 			if num, ok := yyDollar[2].expr.(*SQLVal); ok && num.Type == IntVal {
 				yyVAL.expr = num
@@ -6097,9 +6153,9 @@ yydefault:
 				yyVAL.expr = &UnaryExpr{Operator: UPlusStr, Expr: yyDollar[2].expr}
 			}
 		}
-	case 514:
+	case 516:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3695
+//line sql.y:3704
 		{
 			if num, ok := yyDollar[2].expr.(*SQLVal); ok && num.Type == IntVal {
 				// Handle double negative
@@ -6113,21 +6169,21 @@ yydefault:
 				yyVAL.expr = &UnaryExpr{Operator: UMinusStr, Expr: yyDollar[2].expr}
 			}
 		}
-	case 515:
+	case 517:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3709
+//line sql.y:3718
 		{
 			yyVAL.expr = &UnaryExpr{Operator: TildaStr, Expr: yyDollar[2].expr}
 		}
-	case 516:
+	case 518:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3713
+//line sql.y:3722
 		{
 			yyVAL.expr = &UnaryExpr{Operator: BangStr, Expr: yyDollar[2].expr}
 		}
-	case 517:
+	case 519:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3717
+//line sql.y:3726
 		{
 			// This rule prevents the usage of INTERVAL
 			// as a function. If support is needed for that,
@@ -6135,389 +6191,389 @@ yydefault:
 			// will be non-trivial because of grammar conflicts.
 			yyVAL.expr = &IntervalExpr{Expr: yyDollar[2].expr, Unit: yyDollar[3].colIdent.String()}
 		}
-	case 522:
+	case 524:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3735
+//line sql.y:3744
 		{
 			yyVAL.expr = &FuncExpr{Name: yyDollar[1].colIdent, Exprs: yyDollar[3].selectExprs}
 		}
-	case 523:
+	case 525:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:3739
+//line sql.y:3748
 		{
 			yyVAL.expr = &FuncExpr{Name: yyDollar[1].colIdent, Distinct: true, Exprs: yyDollar[4].selectExprs}
 		}
-	case 524:
+	case 526:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:3743
+//line sql.y:3752
 		{
 			yyVAL.expr = &FuncExpr{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].colIdent, Exprs: yyDollar[5].selectExprs}
 		}
-	case 525:
+	case 527:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3753
+//line sql.y:3762
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("left"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 526:
+	case 528:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3757
+//line sql.y:3766
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("right"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 527:
+	case 529:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:3761
+//line sql.y:3770
 		{
 			yyVAL.expr = &ConvertExpr{Expr: yyDollar[3].expr, Type: yyDollar[5].convertType}
 		}
-	case 528:
+	case 530:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:3765
+//line sql.y:3774
 		{
 			yyVAL.expr = &ConvertExpr{Expr: yyDollar[3].expr, Type: yyDollar[5].convertType}
 		}
-	case 529:
+	case 531:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:3769
+//line sql.y:3778
 		{
 			yyVAL.expr = &ConvertUsingExpr{Expr: yyDollar[3].expr, Type: yyDollar[5].str}
 		}
-	case 530:
+	case 532:
 		yyDollar = yyS[yypt-9 : yypt+1]
-//line sql.y:3773
+//line sql.y:3782
 		{
 			yyVAL.expr = &MatchExpr{Columns: yyDollar[3].selectExprs, Expr: yyDollar[7].expr, Option: yyDollar[8].str}
 		}
-	case 531:
+	case 533:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:3777
+//line sql.y:3786
 		{
 			yyVAL.expr = &GroupConcatExpr{Distinct: yyDollar[3].str, Exprs: yyDollar[4].selectExprs, OrderBy: yyDollar[5].orderBy, Separator: yyDollar[6].str}
 		}
-	case 532:
+	case 534:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:3781
+//line sql.y:3790
 		{
 			yyVAL.expr = &CaseExpr{Expr: yyDollar[2].expr, Whens: yyDollar[3].whens, Else: yyDollar[4].expr}
 		}
-	case 533:
+	case 535:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3785
+//line sql.y:3794
 		{
 			yyVAL.expr = &ValuesFuncExpr{Name: yyDollar[3].colIdent}
 		}
-	case 534:
+	case 536:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3795
+//line sql.y:3804
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("current_timestamp")}
 		}
-	case 535:
+	case 537:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3799
+//line sql.y:3808
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("utc_timestamp")}
 		}
-	case 536:
+	case 538:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3803
+//line sql.y:3812
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("utc_time")}
 		}
-	case 537:
+	case 539:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3807
+//line sql.y:3816
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("utc_date")}
 		}
-	case 538:
+	case 540:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3812
+//line sql.y:3821
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("localtime")}
 		}
-	case 539:
+	case 541:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3817
+//line sql.y:3826
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("localtimestamp")}
 		}
-	case 540:
+	case 542:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3822
+//line sql.y:3831
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("current_date")}
 		}
-	case 541:
+	case 543:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3827
+//line sql.y:3836
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("current_time")}
 		}
-	case 544:
+	case 546:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3842
+//line sql.y:3851
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("if"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 545:
+	case 547:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3846
+//line sql.y:3855
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("database"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 546:
+	case 548:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3850
+//line sql.y:3859
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("mod"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 547:
+	case 549:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3854
+//line sql.y:3863
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("replace"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 548:
+	case 550:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3860
+//line sql.y:3869
 		{
 			yyVAL.str = ""
 		}
-	case 549:
+	case 551:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3864
+//line sql.y:3873
 		{
 			yyVAL.str = BooleanModeStr
 		}
-	case 550:
+	case 552:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3868
+//line sql.y:3877
 		{
 			yyVAL.str = NaturalLanguageModeStr
 		}
-	case 551:
+	case 553:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:3872
+//line sql.y:3881
 		{
 			yyVAL.str = NaturalLanguageModeWithQueryExpansionStr
 		}
-	case 552:
+	case 554:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3876
+//line sql.y:3885
 		{
 			yyVAL.str = QueryExpansionStr
 		}
-	case 553:
+	case 555:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3882
+//line sql.y:3891
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 554:
+	case 556:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3886
+//line sql.y:3895
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 555:
+	case 557:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3892
+//line sql.y:3901
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 556:
+	case 558:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3896
+//line sql.y:3905
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: yyDollar[3].str, Operator: CharacterSetStr}
 		}
-	case 557:
+	case 559:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3900
+//line sql.y:3909
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: string(yyDollar[3].bytes)}
 		}
-	case 558:
+	case 560:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3904
+//line sql.y:3913
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 559:
+	case 561:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3908
+//line sql.y:3917
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 560:
+	case 562:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3912
+//line sql.y:3921
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 			yyVAL.convertType.Length = yyDollar[2].lengthScaleOption.Length
 			yyVAL.convertType.Scale = yyDollar[2].lengthScaleOption.Scale
 		}
-	case 561:
+	case 563:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3918
+//line sql.y:3927
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 562:
+	case 564:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3922
+//line sql.y:3931
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 563:
+	case 565:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3926
+//line sql.y:3935
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 564:
+	case 566:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3930
+//line sql.y:3939
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 565:
+	case 567:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3934
+//line sql.y:3943
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 566:
+	case 568:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3938
+//line sql.y:3947
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 567:
+	case 569:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3942
+//line sql.y:3951
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 568:
+	case 570:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3947
+//line sql.y:3956
 		{
 			yyVAL.expr = nil
 		}
-	case 569:
+	case 571:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3951
+//line sql.y:3960
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 570:
+	case 572:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3956
+//line sql.y:3965
 		{
 			yyVAL.str = string("")
 		}
-	case 571:
+	case 573:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3960
+//line sql.y:3969
 		{
 			yyVAL.str = " separator '" + string(yyDollar[2].bytes) + "'"
 		}
-	case 572:
+	case 574:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3966
+//line sql.y:3975
 		{
 			yyVAL.whens = []*When{yyDollar[1].when}
 		}
-	case 573:
+	case 575:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3970
+//line sql.y:3979
 		{
 			yyVAL.whens = append(yyDollar[1].whens, yyDollar[2].when)
 		}
-	case 574:
+	case 576:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3976
+//line sql.y:3985
 		{
 			yyVAL.when = &When{Cond: yyDollar[2].expr, Val: yyDollar[4].expr}
 		}
-	case 575:
+	case 577:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3981
+//line sql.y:3990
 		{
 			yyVAL.expr = nil
 		}
-	case 576:
+	case 578:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3985
+//line sql.y:3994
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 577:
+	case 579:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3991
+//line sql.y:4000
 		{
 			yyVAL.colName = &ColName{Name: yyDollar[1].colIdent}
 		}
-	case 578:
+	case 580:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3995
+//line sql.y:4004
 		{
 			yyVAL.colName = &ColName{Qualifier: TableName{Name: yyDollar[1].tableIdent}, Name: yyDollar[3].colIdent}
 		}
-	case 579:
+	case 581:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:3999
+//line sql.y:4008
 		{
 			yyVAL.colName = &ColName{Qualifier: TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}, Name: yyDollar[5].colIdent}
 		}
-	case 580:
+	case 582:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4005
+//line sql.y:4014
 		{
 			yyVAL.expr = NewStrVal(yyDollar[1].bytes)
 		}
-	case 581:
+	case 583:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4009
+//line sql.y:4018
 		{
 			yyVAL.expr = NewHexVal(yyDollar[1].bytes)
 		}
-	case 582:
+	case 584:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4013
+//line sql.y:4022
 		{
 			yyVAL.expr = NewIntVal(yyDollar[1].bytes)
 		}
-	case 583:
+	case 585:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4017
+//line sql.y:4026
 		{
 			yyVAL.expr = NewFloatVal(yyDollar[1].bytes)
 		}
-	case 584:
+	case 586:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4021
+//line sql.y:4030
 		{
 			yyVAL.expr = NewHexNum(yyDollar[1].bytes)
 		}
-	case 585:
+	case 587:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4025
+//line sql.y:4034
 		{
 			yyVAL.expr = NewValArg(yyDollar[1].bytes)
 		}
-	case 586:
+	case 588:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4029
+//line sql.y:4038
 		{
 			yyVAL.expr = &NullVal{}
 		}
-	case 587:
+	case 589:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4035
+//line sql.y:4044
 		{
 			// TODO(sougou): Deprecate this construct.
 			if yyDollar[1].colIdent.Lowered() != "value" {
@@ -6526,239 +6582,239 @@ yydefault:
 			}
 			yyVAL.expr = NewIntVal([]byte("1"))
 		}
-	case 588:
+	case 590:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4044
+//line sql.y:4053
 		{
 			yyVAL.expr = NewIntVal(yyDollar[1].bytes)
 		}
-	case 589:
+	case 591:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4048
+//line sql.y:4057
 		{
 			yyVAL.expr = NewValArg(yyDollar[1].bytes)
 		}
-	case 590:
+	case 592:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:4053
+//line sql.y:4062
 		{
 			yyVAL.exprs = nil
 		}
-	case 591:
+	case 593:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4057
+//line sql.y:4066
 		{
 			yyVAL.exprs = yyDollar[3].exprs
 		}
-	case 592:
+	case 594:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:4062
+//line sql.y:4071
 		{
 			yyVAL.expr = nil
 		}
-	case 593:
+	case 595:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4066
+//line sql.y:4075
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 594:
+	case 596:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:4071
+//line sql.y:4080
 		{
 			yyVAL.orderBy = nil
 		}
-	case 595:
+	case 597:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4075
+//line sql.y:4084
 		{
 			yyVAL.orderBy = yyDollar[3].orderBy
 		}
-	case 596:
+	case 598:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4081
+//line sql.y:4090
 		{
 			yyVAL.orderBy = OrderBy{yyDollar[1].order}
 		}
-	case 597:
+	case 599:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4085
+//line sql.y:4094
 		{
 			yyVAL.orderBy = append(yyDollar[1].orderBy, yyDollar[3].order)
 		}
-	case 598:
+	case 600:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4091
+//line sql.y:4100
 		{
 			yyVAL.order = &Order{Expr: yyDollar[1].expr, Direction: yyDollar[2].str}
 		}
-	case 599:
+	case 601:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:4096
+//line sql.y:4105
 		{
 			yyVAL.str = AscScr
 		}
-	case 600:
+	case 602:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4100
+//line sql.y:4109
 		{
 			yyVAL.str = AscScr
 		}
-	case 601:
+	case 603:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4104
+//line sql.y:4113
 		{
 			yyVAL.str = DescScr
 		}
-	case 602:
+	case 604:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:4109
+//line sql.y:4118
 		{
 			yyVAL.limit = nil
 		}
-	case 603:
+	case 605:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4113
+//line sql.y:4122
 		{
 			yyVAL.limit = &Limit{Rowcount: yyDollar[2].expr}
 		}
-	case 604:
+	case 606:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:4117
+//line sql.y:4126
 		{
 			yyVAL.limit = &Limit{Offset: yyDollar[2].expr, Rowcount: yyDollar[4].expr}
 		}
-	case 605:
+	case 607:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:4121
+//line sql.y:4130
 		{
 			yyVAL.limit = &Limit{Offset: yyDollar[4].expr, Rowcount: yyDollar[2].expr}
 		}
-	case 606:
+	case 608:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:4126
+//line sql.y:4135
 		{
 			yyVAL.str = ""
 		}
-	case 607:
+	case 609:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4130
+//line sql.y:4139
 		{
 			yyVAL.str = ForUpdateStr
 		}
-	case 608:
+	case 610:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:4134
+//line sql.y:4143
 		{
 			yyVAL.str = ShareModeStr
 		}
-	case 609:
+	case 611:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4147
+//line sql.y:4156
 		{
 			yyVAL.ins = &Insert{Rows: yyDollar[2].values}
 		}
-	case 610:
+	case 612:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4151
+//line sql.y:4160
 		{
 			yyVAL.ins = &Insert{Rows: yyDollar[1].selStmt}
 		}
-	case 611:
+	case 613:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4155
+//line sql.y:4164
 		{
 			// Drop the redundant parenthesis.
 			yyVAL.ins = &Insert{Rows: yyDollar[2].selStmt}
 		}
-	case 612:
+	case 614:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:4160
+//line sql.y:4169
 		{
 			yyVAL.ins = &Insert{Columns: yyDollar[2].columns, Rows: yyDollar[5].values}
 		}
-	case 613:
+	case 615:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:4164
+//line sql.y:4173
 		{
 			yyVAL.ins = &Insert{Columns: yyDollar[2].columns, Rows: yyDollar[4].selStmt}
 		}
-	case 614:
+	case 616:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:4168
+//line sql.y:4177
 		{
 			// Drop the redundant parenthesis.
 			yyVAL.ins = &Insert{Columns: yyDollar[2].columns, Rows: yyDollar[5].selStmt}
 		}
-	case 615:
+	case 617:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4175
+//line sql.y:4184
 		{
 			yyVAL.columns = Columns{yyDollar[1].colIdent}
 		}
-	case 616:
+	case 618:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4179
+//line sql.y:4188
 		{
 			yyVAL.columns = Columns{yyDollar[3].colIdent}
 		}
-	case 617:
+	case 619:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4183
+//line sql.y:4192
 		{
 			yyVAL.columns = append(yyVAL.columns, yyDollar[3].colIdent)
 		}
-	case 618:
+	case 620:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:4187
+//line sql.y:4196
 		{
 			yyVAL.columns = append(yyVAL.columns, yyDollar[5].colIdent)
 		}
-	case 619:
+	case 621:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:4192
+//line sql.y:4201
 		{
 			yyVAL.updateExprs = nil
 		}
-	case 620:
+	case 622:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:4196
+//line sql.y:4205
 		{
 			yyVAL.updateExprs = yyDollar[5].updateExprs
 		}
-	case 621:
+	case 623:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4202
+//line sql.y:4211
 		{
 			yyVAL.values = Values{yyDollar[1].valTuple}
 		}
-	case 622:
+	case 624:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4206
+//line sql.y:4215
 		{
 			yyVAL.values = append(yyDollar[1].values, yyDollar[3].valTuple)
 		}
-	case 623:
+	case 625:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4212
+//line sql.y:4221
 		{
 			yyVAL.valTuple = yyDollar[1].valTuple
 		}
-	case 624:
+	case 626:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4216
+//line sql.y:4225
 		{
 			yyVAL.valTuple = ValTuple{}
 		}
-	case 625:
+	case 627:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4222
+//line sql.y:4231
 		{
 			yyVAL.valTuple = ValTuple(yyDollar[2].exprs)
 		}
-	case 626:
+	case 628:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4228
+//line sql.y:4237
 		{
 			if len(yyDollar[1].valTuple) == 1 {
 				yyVAL.expr = &ParenExpr{yyDollar[1].valTuple[0]}
@@ -6766,222 +6822,210 @@ yydefault:
 				yyVAL.expr = yyDollar[1].valTuple
 			}
 		}
-	case 627:
+	case 629:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4238
+//line sql.y:4247
 		{
 			yyVAL.updateExprs = UpdateExprs{yyDollar[1].updateExpr}
 		}
-	case 628:
+	case 630:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4242
+//line sql.y:4251
 		{
 			yyVAL.updateExprs = append(yyDollar[1].updateExprs, yyDollar[3].updateExpr)
 		}
-	case 629:
+	case 631:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4248
+//line sql.y:4257
 		{
 			yyVAL.updateExpr = &UpdateExpr{Name: yyDollar[1].colName, Expr: yyDollar[3].expr}
 		}
-	case 630:
+	case 632:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4254
+//line sql.y:4263
 		{
 			yyVAL.setExprs = SetExprs{yyDollar[1].setExpr}
 		}
-	case 631:
+	case 633:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4258
+//line sql.y:4267
 		{
 			yyVAL.setExprs = append(yyDollar[1].setExprs, yyDollar[3].setExpr)
 		}
-	case 632:
+	case 634:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4264
+//line sql.y:4273
 		{
 			yyVAL.setExpr = yyDollar[1].setExpr
 		}
-	case 633:
+	case 635:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4268
+//line sql.y:4277
 		{
 			yyDollar[2].setExpr.Scope = yyDollar[1].str
 			yyVAL.setExpr = yyDollar[2].setExpr
 		}
-	case 634:
+	case 636:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4275
+//line sql.y:4284
 		{
 			yyVAL.setExpr = &SetExpr{Type: yyDollar[1].colIdent, Val: &OptVal{Value: NewStrVal([]byte("on"))}}
 		}
-	case 635:
+	case 637:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4279
+//line sql.y:4288
 		{
 			yyVAL.setExpr = &SetExpr{Type: yyDollar[1].colIdent, Val: &OptVal{Value: NewStrVal([]byte("off"))}}
 		}
-	case 636:
+	case 638:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4283
+//line sql.y:4292
 		{
 			yyVAL.setExpr = &SetExpr{Type: yyDollar[1].colIdent, Val: &OptVal{Value: yyDollar[3].expr}}
 		}
-	case 637:
+	case 639:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4287
+//line sql.y:4296
 		{
 			yyVAL.setExpr = &SetExpr{Type: NewColIdent(string(yyDollar[1].bytes)), Val: &OptVal{Value: yyDollar[2].expr}}
 		}
-	case 638:
+	case 640:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4291
+//line sql.y:4300
 		{
 			yyVAL.setExpr = &SetExpr{Type: NewColIdent(string(yyDollar[1].bytes)), Val: &OptVal{Value: &CollateExpr{Expr: yyDollar[2].expr, Charset: yyDollar[3].str}}}
 		}
-	case 640:
+	case 642:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4298
+//line sql.y:4307
 		{
 			yyVAL.bytes = []byte("charset")
 		}
-	case 641:
+	case 643:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4304
+//line sql.y:4313
 		{
 			yyVAL.expr = NewStrVal([]byte(yyDollar[1].colIdent.String()))
 		}
-	case 642:
+	case 644:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4308
+//line sql.y:4317
 		{
 			yyVAL.expr = NewStrVal(yyDollar[1].bytes)
 		}
-	case 643:
+	case 645:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4312
+//line sql.y:4321
 		{
 			yyVAL.expr = &Default{}
 		}
-	case 644:
+	case 646:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4318
+//line sql.y:4327
 		{
 			yyVAL.setExprs = SetExprs{&SetExpr{Type: NewColIdent(string(yyDollar[1].bytes)), Val: yyDollar[2].setVal}}
 		}
-	case 645:
+	case 647:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4322
+//line sql.y:4331
 		{
 			yyVAL.setExprs = SetExprs{&SetExpr{Scope: yyDollar[1].str, Type: NewColIdent(string(yyDollar[2].bytes)), Val: yyDollar[3].setVal}}
 		}
-	case 646:
+	case 648:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4328
+//line sql.y:4337
 		{
 			yyVAL.setVal = &TxnVal{Level: yyDollar[1].str, Mode: yyDollar[2].str}
 		}
-	case 647:
+	case 649:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4332
+//line sql.y:4341
 		{
 			yyVAL.setVal = &TxnVal{Level: yyDollar[2].str, Mode: yyDollar[1].str}
 		}
-	case 648:
+	case 650:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:4338
+//line sql.y:4347
 		{
 			yyVAL.str = ""
 		}
-	case 649:
+	case 651:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4342
+//line sql.y:4351
 		{
 			yyVAL.str = yyDollar[2].str
 		}
-	case 650:
+	case 652:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:4348
+//line sql.y:4357
 		{
 			yyVAL.str = yyDollar[3].str
 		}
-	case 651:
+	case 653:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4354
+//line sql.y:4363
 		{
 			yyVAL.str = RepeatableRead
 		}
-	case 652:
+	case 654:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4358
+//line sql.y:4367
 		{
 			yyVAL.str = ReadCommitted
 		}
-	case 653:
+	case 655:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4362
+//line sql.y:4371
 		{
 			yyVAL.str = ReadUncommitted
 		}
-	case 654:
+	case 656:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4366
+//line sql.y:4375
 		{
 			yyVAL.str = Serializable
 		}
-	case 655:
+	case 657:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:4372
+//line sql.y:4381
 		{
 			yyVAL.str = ""
 		}
-	case 656:
+	case 658:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4376
+//line sql.y:4385
 		{
 			yyVAL.str = yyDollar[2].str
 		}
-	case 657:
+	case 659:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4382
+//line sql.y:4391
 		{
 			yyVAL.str = TxReadWrite
 		}
-	case 658:
+	case 660:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4386
+//line sql.y:4395
 		{
 			yyVAL.str = TxReadOnly
 		}
-	case 659:
+	case 661:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4392
+//line sql.y:4401
 		{
 			yyVAL.str = SessionStr
 		}
-	case 660:
+	case 662:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4396
+//line sql.y:4405
 		{
 			yyVAL.str = SessionStr
 		}
-	case 661:
+	case 663:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4400
-		{
-			yyVAL.str = GlobalStr
-		}
-	case 664:
-		yyDollar = yyS[yypt-0 : yypt+1]
 //line sql.y:4409
 		{
-			yyVAL.byt = 0
-		}
-	case 665:
-		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:4413
-		{
-			yyVAL.byt = 1
+			yyVAL.str = GlobalStr
 		}
 	case 666:
 		yyDollar = yyS[yypt-0 : yypt+1]
@@ -6990,7 +7034,7 @@ yydefault:
 			yyVAL.byt = 0
 		}
 	case 667:
-		yyDollar = yyS[yypt-3 : yypt+1]
+		yyDollar = yyS[yypt-2 : yypt+1]
 //line sql.y:4422
 		{
 			yyVAL.byt = 1
@@ -6999,76 +7043,76 @@ yydefault:
 		yyDollar = yyS[yypt-0 : yypt+1]
 //line sql.y:4427
 		{
-			yyVAL.str = ""
+			yyVAL.byt = 0
 		}
 	case 669:
-		yyDollar = yyS[yypt-1 : yypt+1]
+		yyDollar = yyS[yypt-3 : yypt+1]
 //line sql.y:4431
 		{
-			yyVAL.str = IgnoreStr
+			yyVAL.byt = 1
 		}
 	case 670:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4437
+		yyDollar = yyS[yypt-0 : yypt+1]
+//line sql.y:4436
 		{
-			yyVAL.empty = struct{}{}
+			yyVAL.str = ""
 		}
 	case 671:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4441
+//line sql.y:4440
 		{
-			yyVAL.empty = struct{}{}
+			yyVAL.str = IgnoreStr
 		}
 	case 672:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4445
+//line sql.y:4446
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 673:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4449
+//line sql.y:4450
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 674:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4453
+//line sql.y:4454
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 675:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4457
+//line sql.y:4458
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 676:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4461
+//line sql.y:4462
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 677:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4465
+//line sql.y:4466
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 678:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4469
+//line sql.y:4470
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 679:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4473
+//line sql.y:4474
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 680:
-		yyDollar = yyS[yypt-0 : yypt+1]
+		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:4478
 		{
 			yyVAL.empty = struct{}{}
@@ -7080,89 +7124,101 @@ yydefault:
 			yyVAL.empty = struct{}{}
 		}
 	case 682:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4486
+		yyDollar = yyS[yypt-0 : yypt+1]
+//line sql.y:4487
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 683:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4492
+//line sql.y:4491
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 684:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4496
+//line sql.y:4495
 		{
 			yyVAL.empty = struct{}{}
 		}
 	case 685:
-		yyDollar = yyS[yypt-0 : yypt+1]
+		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:4501
 		{
-			yyVAL.str = IndexStr
+			yyVAL.empty = struct{}{}
 		}
 	case 686:
 		yyDollar = yyS[yypt-1 : yypt+1]
 //line sql.y:4505
 		{
-			yyVAL.str = UniqueStr
+			yyVAL.empty = struct{}{}
 		}
 	case 687:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4511
+		yyDollar = yyS[yypt-0 : yypt+1]
+//line sql.y:4510
 		{
-			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
+			yyVAL.str = IndexStr
 		}
 	case 688:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4515
+//line sql.y:4514
+		{
+			yyVAL.str = UniqueStr
+		}
+	case 689:
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:4520
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
 	case 690:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4522
+//line sql.y:4524
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 691:
+	case 692:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4528
+//line sql.y:4531
 		{
-			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
+			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 692:
+	case 693:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4532
+//line sql.y:4537
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
 	case 694:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4539
+//line sql.y:4541
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
-	case 890:
+	case 696:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4761
+//line sql.y:4548
+		{
+			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
+		}
+	case 892:
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:4770
 		{
 			if incNesting(yylex) {
 				yylex.Error("max nesting level reached")
 				return 1
 			}
 		}
-	case 891:
+	case 893:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:4770
+//line sql.y:4779
 		{
 			decNesting(yylex)
 		}
-	case 892:
+	case 894:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:4775
+//line sql.y:4784
 		{
 			forceEOF(yylex)
 		}
diff --git a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.y b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.y
index 815c45d2..547bd957 100644
--- a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.y
+++ b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.y
@@ -460,6 +460,7 @@ func forceEOF(yylex interface{}) {
 
 // Supported SHOW tokens
 %token	<bytes>
+	COLLATION
 	DATABASES
 	TABLES
 	WARNINGS
@@ -2976,6 +2977,14 @@ show_statement:
 	{
 		$$ = &Show{Type: ShowWarningsStr}
 	}
+|	SHOW COLLATION force_eof
+	{
+		$$ = &Show{Type: ShowCollationStr}
+	}
+|	SHOW CHARSET force_eof
+	{
+		$$ = &Show{Type: ShowCharsetStr}
+	}
 |	SHOW ID force_eof
 	{
 		$$ = &Show{Type: ShowUnsupportedStr}
diff --git a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/token.go b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/token.go
index b3c848de..ff3edf51 100644
--- a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/token.go
+++ b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/token.go
@@ -100,6 +100,7 @@ var keywords = map[string]int{
 	"checksum":            CHECKSUM,
 	"cleanup":             CLEANUP,
 	"collate":             COLLATE,
+	"collation":           COLLATION,
 	"column":              COLUMN,
 	"column_format":       COLUMN_FORMAT,
 	"columns":             COLUMNS,