From 3ff63e651d4ed786bf00b4772832bf5283fa97ce Mon Sep 17 00:00:00 2001 From: xuhuaiyu <391585975@qq.com> Date: Mon, 1 Jul 2019 11:27:10 +0800 Subject: [PATCH 1/2] *: add a blacklist to disallow pushing down specific expressions (#10688) --- executor/builder.go | 6 +++ executor/reload_expr_pushdown_blacklist.go | 50 +++++++++++++++++++ .../reload_expr_pushdown_blacklist_test.go | 42 ++++++++++++++++ expression/expr_to_pb.go | 13 ++++- expression/integration_test.go | 5 ++ go.mod | 2 + go.sum | 38 +------------- planner/core/common_plans.go | 5 ++ planner/core/planbuilder.go | 2 + session/bootstrap.go | 16 ++++++ session/session.go | 7 ++- 11 files changed, 147 insertions(+), 39 deletions(-) create mode 100644 executor/reload_expr_pushdown_blacklist.go create mode 100644 executor/reload_expr_pushdown_blacklist_test.go diff --git a/executor/builder.go b/executor/builder.go index 7f7921a231197..48dafed8d9e31 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -84,6 +84,8 @@ func (b *executorBuilder) build(p plannercore.Plan) Executor { return b.buildCheckIndexRange(v) case *plannercore.ChecksumTable: return b.buildChecksumTable(v) + case *plannercore.ReloadExprPushdownBlacklist: + return b.buildReloadExprPushdownBlacklist(v) case *plannercore.DDL: return b.buildDDL(v) case *plannercore.Deallocate: @@ -426,6 +428,10 @@ func (b *executorBuilder) buildChecksumTable(v *plannercore.ChecksumTable) Execu return e } +func (b *executorBuilder) buildReloadExprPushdownBlacklist(v *plannercore.ReloadExprPushdownBlacklist) Executor { + return &ReloadExprPushdownBlacklistExec{baseExecutor{ctx: b.ctx}} +} + func (b *executorBuilder) buildDeallocate(v *plannercore.Deallocate) Executor { base := newBaseExecutor(b.ctx, nil, v.ExplainID()) base.initCap = chunk.ZeroCapacity diff --git a/executor/reload_expr_pushdown_blacklist.go b/executor/reload_expr_pushdown_blacklist.go new file mode 100644 index 0000000000000..e80a9ea9cf65e --- /dev/null +++ b/executor/reload_expr_pushdown_blacklist.go @@ -0,0 +1,50 @@ +// Copyright 2019 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package executor + +import ( + "context" + "strings" + + "github.com/pingcap/tidb/expression" + "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/sqlexec" +) + +// ReloadExprPushdownBlacklistExec indicates ReloadExprPushdownBlacklist executor. +type ReloadExprPushdownBlacklistExec struct { + baseExecutor +} + +// Next implements the Executor Next interface. +func (e *ReloadExprPushdownBlacklistExec) Next(ctx context.Context, _ *chunk.Chunk) error { + return LoadExprPushdownBlacklist(e.ctx) +} + +// LoadExprPushdownBlacklist loads the latest data from table mysql.expr_pushdown_blacklist. +func LoadExprPushdownBlacklist(ctx sessionctx.Context) (err error) { + sql := "select HIGH_PRIORITY name from mysql.expr_pushdown_blacklist" + rows, _, err := ctx.(sqlexec.RestrictedSQLExecutor).ExecRestrictedSQL(ctx, sql) + if err != nil { + return err + } + newBlacklist := make(map[string]struct{}) + for _, row := range rows { + name := row.GetString(0) + newBlacklist[strings.ToLower(name)] = struct{}{} + } + expression.DefaultExprPushdownBlacklist.Store(newBlacklist) + return nil +} diff --git a/executor/reload_expr_pushdown_blacklist_test.go b/executor/reload_expr_pushdown_blacklist_test.go new file mode 100644 index 0000000000000..10092c37334b1 --- /dev/null +++ b/executor/reload_expr_pushdown_blacklist_test.go @@ -0,0 +1,42 @@ +// Copyright 2019 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package executor_test + +import ( + . "github.com/pingcap/check" + "github.com/pingcap/tidb/util/testkit" +) + +func (s *testSuite) TestReloadExprPushdownBlacklist(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("create database expr_pushdown_blacklist") + tk.MustExec("use expr_pushdown_blacklist") + tk.MustExec("create table t (a int)") + tk.MustQuery("desc select * from t where a < 1").Check(testkit.Rows( + "TableReader_7 3323.33 root data:Selection_6", + "└─Selection_6 3323.33 cop lt(expr_pushdown_blacklist.t.a, 1)", + " └─TableScan_5 10000.00 cop table:t, range:[-inf,+inf], keep order:false, stats:pseudo")) + + tk.MustExec("insert into mysql.expr_pushdown_blacklist values('lt')") + tk.MustQuery("desc select * from t where a < 1").Check(testkit.Rows( + "TableReader_7 3323.33 root data:Selection_6", + "└─Selection_6 3323.33 cop lt(expr_pushdown_blacklist.t.a, 1)", + " └─TableScan_5 10000.00 cop table:t, range:[-inf,+inf], keep order:false, stats:pseudo")) + + tk.MustExec("admin reload expr_pushdown_blacklist") + tk.MustQuery("desc select * from t where a < 1").Check(testkit.Rows( + "Selection_5 8000.00 root lt(expr_pushdown_blacklist.t.a, 1)", + "└─TableReader_7 10000.00 root data:TableScan_6", + " └─TableScan_6 10000.00 cop table:t, range:[-inf,+inf], keep order:false, stats:pseudo")) +} diff --git a/expression/expr_to_pb.go b/expression/expr_to_pb.go index 4416b464c1f4c..a863f28ba47b6 100644 --- a/expression/expr_to_pb.go +++ b/expression/expr_to_pb.go @@ -15,6 +15,7 @@ package expression import ( "context" + "sync/atomic" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/charset" @@ -321,8 +322,16 @@ func (pc PbConverter) canFuncBePushed(sf *ScalarFunction) bool { // date functions. ast.DateFormat: - - return true + _, disallowPushdown := DefaultExprPushdownBlacklist.Load().(map[string]struct{})[sf.FuncName.L] + return true && !disallowPushdown } return false } + +// DefaultExprPushdownBlacklist indicates the expressions which can not be pushed down to TiKV. +var DefaultExprPushdownBlacklist *atomic.Value + +func init() { + DefaultExprPushdownBlacklist = new(atomic.Value) + DefaultExprPushdownBlacklist.Store(make(map[string]struct{})) +} diff --git a/expression/integration_test.go b/expression/integration_test.go index 564bceb032bcc..067a25c0b4bb5 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -4155,3 +4155,8 @@ func (s *testIntegrationSuite) TestDaynameArithmetic(c *C) { tk.MustQuery(c.sql).Check(testkit.Rows(c.result)) } } + +func (s *testIntegrationSuite) TestExprPushdownBlacklist(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustQuery(`select * from mysql.expr_pushdown_blacklist`).Check(testkit.Rows()) +} diff --git a/go.mod b/go.mod index a9d7d4ece0adc..5d8a9619c051d 100644 --- a/go.mod +++ b/go.mod @@ -79,3 +79,5 @@ require ( gopkg.in/natefinch/lumberjack.v2 v2.0.0 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect ) + +replace github.com/pingcap/parser => github.com/XuHuaiyu/parser v0.0.0-20190701025952-1a27d824ea1d diff --git a/go.sum b/go.sum index 0e42ed1e8ed9a..07318bee17237 100644 --- a/go.sum +++ b/go.sum @@ -1,5 +1,7 @@ github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/XuHuaiyu/parser v0.0.0-20190701025952-1a27d824ea1d h1:D3fSYJUDTK3Qly7JpcWy0wPN4IgQAwaCDIxGxEN+knM= +github.com/XuHuaiyu/parser v0.0.0-20190701025952-1a27d824ea1d/go.mod h1:Ry7Ix7hcJTwvbGlY/iFJLSdSSgXqBfz6FS+mZCQCcFk= github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= github.com/apache/thrift v0.0.0-20161221203622-b2a4d4ae21c7 h1:Fv9bK1Q+ly/ROk4aJsVMeuIwPel4bEnD8EPiI91nZMg= github.com/apache/thrift v0.0.0-20161221203622-b2a4d4ae21c7/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ= @@ -7,45 +9,32 @@ github.com/beorn7/perks v0.0.0-20160229213445-3ac7bf7a47d1 h1:OnJHjoVbY69GG4gclp github.com/beorn7/perks v0.0.0-20160229213445-3ac7bf7a47d1/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q= github.com/blacktear23/go-proxyprotocol v0.0.0-20180807104634-af7a81e8dd0d h1:rQlvB2AYWme2bIB18r/SipGiMEVJYE9U0z+MGoU/LtQ= github.com/blacktear23/go-proxyprotocol v0.0.0-20180807104634-af7a81e8dd0d/go.mod h1:VKt7CNAQxpFpSDz3sXyj9hY/GbVsQCr0sB3w59nE7lU= -github.com/cockroachdb/cmux v0.0.0-20170110192607-30d10be49292 h1:dzj1/xcivGjNPwwifh/dWTczkwcuqsXXFHY1X/TZMtw= github.com/cockroachdb/cmux v0.0.0-20170110192607-30d10be49292/go.mod h1:qRiX68mZX1lGBkTWyp3CLcenw9I94W2dLeRvMzcn9N4= github.com/codahale/hdrhistogram v0.0.0-20160425231609-f8ad88b59a58 h1:hHWif/4GirK3P5uvCyyj941XSVIQDzuJhbEguCICdPE= github.com/codahale/hdrhistogram v0.0.0-20160425231609-f8ad88b59a58/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI= -github.com/coreos/bbolt v1.3.1-coreos.6 h1:uTXKg9gY70s9jMAKdfljFQcuh4e/BXOM+V+d00KFj3A= github.com/coreos/bbolt v1.3.1-coreos.6/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk= github.com/coreos/etcd v3.2.18+incompatible h1:E8oIF72eom0bDAB74G/H31rAe1JVoiLE5NMn+WUCNLc= github.com/coreos/etcd v3.2.18+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE= -github.com/coreos/go-semver v0.2.0 h1:3Jm3tLmsgAYcjC+4Up7hJrFBPr+n7rAqYeSw/SZazuY= github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= -github.com/coreos/go-systemd v0.0.0-20180202092358-40e2722dffea h1:IHPWgevPcOUjTvj3n7Qgm+nie6xs/xV8dmO5MddNTpc= github.com/coreos/go-systemd v0.0.0-20180202092358-40e2722dffea/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= -github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf h1:CAKfRE2YtTUIjjh1bkBtyYFaUT/WmOqsJjgtihT0vMI= github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA= github.com/cznic/mathutil v0.0.0-20160613104831-78ad7f262603 h1:hhR9hTi0ligs11JjfGDBP332clNOJRdW0Ci5oHtEC+0= github.com/cznic/mathutil 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h1:72R+M5VuhED/KujmZVcIquuo8mBgX4oVda//DQb3PXo= github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ= -github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58= github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q= -github.com/golang/groupcache v0.0.0-20181024230925-c65c006176ff h1:kOkM9whyQYodu09SJ6W3NCsHG7crFaJILQ22Gozp3lg= github.com/golang/groupcache v0.0.0-20181024230925-c65c006176ff/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= github.com/golang/protobuf v1.1.0 h1:0iH4Ffd/meGoXqF2lSAhZHt8X+cPgkfn/cb6Cce5Vpc= github.com/golang/protobuf v1.1.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= @@ -56,7 +45,6 @@ github.com/google/btree v0.0.0-20161217183710-316fb6d3f031/go.mod h1:lNA+9X1NB3Z github.com/google/shlex v0.0.0-20181106134648-c34317bd91bf/go.mod h1:RpwtwJQFrIEPstU94h88MWPXP2ektJZ8cZ0YntAmXiE= github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY= github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= -github.com/gorilla/context v0.0.0-20160226214623-1ea25387ff6f h1:9oNbS1z4rVpbnkHBdPZU4jo9bSmrLpII768arSyMFgk= github.com/gorilla/context v0.0.0-20160226214623-1ea25387ff6f/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg= github.com/gorilla/mux v0.0.0-20170228224354-599cba5e7b61 h1:4lceeSGcX6bSAeeTiqcGX4DX6pMLPG5fKHvGeWAP/5c= github.com/gorilla/mux v0.0.0-20170228224354-599cba5e7b61/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs= @@ -64,24 +52,18 @@ github.com/grpc-ecosystem/go-grpc-middleware v0.0.0-20171020063731-82921fcf811d github.com/grpc-ecosystem/go-grpc-middleware v0.0.0-20171020063731-82921fcf811d/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs= github.com/grpc-ecosystem/go-grpc-prometheus v0.0.0-20160910222444-6b7015e65d36 h1:cwTrrTEhz13khQS3/UZMLFWwiqlcsdp/2sxFmSjAWeQ= github.com/grpc-ecosystem/go-grpc-prometheus 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v0.0.0-20151014174947-eeaced052adb/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc= github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 h1:7KAv7KMGTTqSmYZtNdcNTgsos+vFzULLwyElndwn+5c= github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7/go.mod h1:iWMfgwqYW+e8n5lC/jjNEhwcjbRDpl5NT7n2h+4UNcI= github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef h1:K0Fn+DoFqNqktdZtdV3bPQ/0cuYh2H4rkg0tytX/07k= github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef/go.mod h1:7WjlapSfwQyo6LNmIvEWzsW1hbBQfpUO4JWnuQRmva8= github.com/nicksnyder/go-i18n v1.10.0/go.mod h1:HrK7VCrbOvQoUAQ7Vpy7i87N7JZZZ7R2xBGjv0j365Q= -github.com/onsi/ginkgo v1.7.0 h1:WSHQ+IS43OoUrWtD1/bbclrwK8TTH5hzp+umCiuxHgs= github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= -github.com/onsi/gomega v1.4.1 h1:PZSj/UFNaVp3KxrzHOcS7oyuWA7LoOY/77yCTEFu21U= github.com/onsi/gomega v1.4.1/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA= github.com/opentracing/basictracer-go v1.0.0 h1:YyUAhaEfjoWXclZVJ9sGoNct7j4TVk7lZWlQw5UXuoo= github.com/opentracing/basictracer-go v1.0.0/go.mod h1:QfBfYuafItcjQuMwinw9GhYKwFXS9KnPs5lxoYwgW74= @@ -95,7 +77,6 @@ github.com/pingcap/errors v0.11.1 h1:BXFZ6MdDd2U1uJUa2sRAWTmm+nieEzuyYM0R4aUTcC8 github.com/pingcap/errors v0.11.1/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8= github.com/pingcap/failpoint v0.0.0-20190430075617-bf45ab20bfc4 h1:4dCk6ysGubtlSc9hE/t5Ptl6mMVxSoWSsTvGSbFJwJ8= github.com/pingcap/failpoint v0.0.0-20190430075617-bf45ab20bfc4/go.mod h1:p2F6D0adua5g+596cw96U8hU8slkeJhboEV7ySGDeEg= -github.com/pingcap/gofail v0.0.0-20181217135706-6a951c1e42c3 h1:04yuCf5NMvLU8rB2m4Qs3rynH7EYpMno3lHkewIOdMo= github.com/pingcap/gofail v0.0.0-20181217135706-6a951c1e42c3/go.mod h1:DazNTg0PTldtpsQiT9I5tVJwV1onHMKBBgXzmJUlMns= github.com/pingcap/goleveldb v0.0.0-20171020084629-8d44bfdf1030 h1:XJLuW0lsP7vAtQ2iPjZwvXZ14m5urp9No+Qr06ZZcTo= github.com/pingcap/goleveldb v0.0.0-20171020084629-8d44bfdf1030/go.mod h1:O17XtbryoCJhkKGbT62+L2OlrniwqiGLSqrmdHCMzZw= @@ -103,8 +84,6 @@ github.com/pingcap/kvproto v0.0.0-20190429124202-32a5ba2af0f7 h1:+wEqJTc74Jvoxen github.com/pingcap/kvproto v0.0.0-20190429124202-32a5ba2af0f7/go.mod h1:0gwbe1F2iBIjuQ9AH0DbQhL+Dpr5GofU8fgYyXk+ykk= github.com/pingcap/log v0.0.0-20190307075452-bd41d9273596 h1:t2OQTpPJnrPDGlvA+3FwJptMTt6MEPdzK1Wt99oaefQ= github.com/pingcap/log v0.0.0-20190307075452-bd41d9273596/go.mod h1:WpHUKhNZ18v116SvGrmjkA9CBhYmuUTKL+p8JC9ANEw= -github.com/pingcap/parser v0.0.0-20190620042621-a13211687e55 h1:JSr9saxYwDyIte70taWbKX83fCUww80HjrcyDnFokBg= -github.com/pingcap/parser v0.0.0-20190620042621-a13211687e55/go.mod h1:1FNvfp9+J0wvc4kl8eGNh7Rqrxveg15jJoWo/a0uHwA= github.com/pingcap/pd v2.1.12+incompatible h1:6N3LBxx2aSZqT+IWEG730EDNDttP7dXO8J6yvBh+HXw= github.com/pingcap/pd v2.1.12+incompatible/go.mod h1:nD3+EoYes4+aNNODO99ES59V83MZSI+dFbhyr667a0E= github.com/pingcap/tidb-tools v2.1.3-0.20190116051332-34c808eef588+incompatible h1:e9Gi/LP9181HT3gBfSOeSBA+5JfemuE4aEAhqNgoE4k= @@ -113,7 +92,6 @@ github.com/pingcap/tipb v0.0.0-20180910045846-371b48b15d93 h1:gI5bOzLMxjUq6ui+md github.com/pingcap/tipb v0.0.0-20180910045846-371b48b15d93/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI= github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I= github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= -github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/prometheus/client_golang v0.8.0 h1:1921Yw9Gc3iSc4VQh3PIoOqgPCZS7G/4xQNVUp8Mda8= github.com/prometheus/client_golang v0.8.0/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw= @@ -128,7 +106,6 @@ github.com/sirupsen/logrus v0.0.0-20170323161349-3bcb09397d6d/go.mod h1:pMByvHTf github.com/spaolacci/murmur3 v0.0.0-20150829172844-0d12bf811670 h1:hKP4ACPoBBCnBbhoiuJXiYlSDhAvC9s4lgzAPmtVdU0= github.com/spaolacci/murmur3 v0.0.0-20150829172844-0d12bf811670/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= -github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q= github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= github.com/twinj/uuid v0.0.0-20150629100731-70cac2bcd273 h1:YqFyfcgqxQqjpRr0SEG0Z555J/3kPqDL/xmRyeAaX/0= github.com/twinj/uuid v0.0.0-20150629100731-70cac2bcd273/go.mod h1:mMgcE1RHFUFqe5AfiwlINXisXfDGro23fWdPUfOMjRY= @@ -136,11 +113,8 @@ github.com/uber/jaeger-client-go v2.8.0+incompatible h1:7DGH8Hqk6PirD+GE+bvCf0cL github.com/uber/jaeger-client-go v2.8.0+incompatible/go.mod h1:WVhlPFC8FDjOFMMWRy2pZqQJSXxYSwNYOkTr/Z6d3Kk= github.com/uber/jaeger-lib v1.1.0 h1:k1oxbz5ToLJtwCGmTlNSmfciXv/SPe1tnmNe+FqTl5w= github.com/uber/jaeger-lib v1.1.0/go.mod h1:ComeNDZlWwrWnDv8aPp0Ba6+uUTzImX/AauajbLI56U= -github.com/ugorji/go v1.1.1 h1:gmervu+jDMvXTbcHQ0pd2wee85nEoE0BsVyEuzkfK8w= github.com/ugorji/go v1.1.1/go.mod h1:hnLbHMwcvSihnDhEfx2/BzKp2xb0Y+ErdfYcrs9tkJQ= -github.com/unrolled/render v0.0.0-20171102162132-65450fb6b2d3 h1:ZsIlNwu/G0zbChIZaWOeZ2TPGNmKMt46jZLXi3e8LFc= github.com/unrolled/render v0.0.0-20171102162132-65450fb6b2d3/go.mod h1:tu82oB5W2ykJRVioYsB+IQKcft7ryBr7w12qMBUPyXg= -github.com/xiang90/probing v0.0.0-20160813154853-07dd2e8dfe18 h1:MPPkRncZLN9Kh4MEFmbnK4h3BD7AUmskWv2+EeZJCCs= github.com/xiang90/probing v0.0.0-20160813154853-07dd2e8dfe18/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU= github.com/yookoala/realpath v1.0.0/go.mod h1:gJJMA9wuX7AcqLy1+ffPatSCySA1FQ2S8Ya9AIoYBpE= go.uber.org/atomic v1.3.2 h1:2Oa65PReHzfn29GpvgsYwloV9AVFHPDk8tYxt2c2tr4= @@ -149,17 +123,13 @@ go.uber.org/multierr v1.1.0 h1:HoEmRHQPVSqub6w2z2d2EOVs2fjyFRGyofhKuyDq0QI= go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0= go.uber.org/zap v1.9.1 h1:XCJQEf3W6eZaVwhRBof6ImoYGJSITeKWsyeh3HFu/5o= go.uber.org/zap v1.9.1/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q= -golang.org/x/crypto v0.0.0-20180503215945-1f94bef427e3 h1:+U/hI4i24Enhs+2BEMCN7wg16uT6entqa2mTg/PUKB8= golang.org/x/crypto v0.0.0-20180503215945-1f94bef427e3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd h1:nTDtHvHSdCn1m6ITfMRqtOd/9+7a3s8RBNOZ3eYZzJA= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= -golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f h1:wMNYb4v58l5UBM7MYRLPG6ZhfOqbKu7X5eyFl8ZhKvA= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= -golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e h1:o3PsSEY8E4eXWkXrIP9YJALUkVZqzHJT5DOasTyn8Vs= golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= -golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2 h1:+DCIGbF/swA92ohVg0//6X2IVY3KZs6p9mix0ziNYJM= golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/tools v0.0.0-20181105230042-78dc5bac0cac h1:0Nb35Izc6T6Yz1iGmRc4cg14cxRaFjbjD4hWFI6JNJ8= golang.org/x/tools v0.0.0-20181105230042-78dc5bac0cac/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= @@ -169,13 +139,9 @@ google.golang.org/grpc v1.12.0 h1:Mm8atZtkT+P6R43n/dqNDWkPPu5BwRVu/1rJnJCeZH8= google.golang.org/grpc v1.12.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw= gopkg.in/alecthomas/gometalinter.v2 v2.0.12/go.mod h1:NDRytsqEZyolNuAgTzJkZMkSQM7FIKyzVzGhjB/qfYo= gopkg.in/alecthomas/kingpin.v3-unstable v3.0.0-20180810215634-df19058c872c/go.mod h1:3HH7i1SgMqlzxCcBmUHW657sD4Kvv9sC3HpL3YukzwA= -gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4= gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8= gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k= -gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= -gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw= gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= diff --git a/planner/core/common_plans.go b/planner/core/common_plans.go index 19f8be2e454bd..e79b0a8ec6564 100644 --- a/planner/core/common_plans.go +++ b/planner/core/common_plans.go @@ -126,6 +126,11 @@ type CancelDDLJobs struct { JobIDs []int64 } +// ReloadExprPushdownBlacklist reloads the data from expr_pushdown_blacklist table. +type ReloadExprPushdownBlacklist struct { + baseSchemaProducer +} + // Prepare represents prepare plan. type Prepare struct { baseSchemaProducer diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index a39aae71b63ac..4e0f9106a50f1 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -581,6 +581,8 @@ func (b *planBuilder) buildAdmin(as *ast.AdminStmt) (Plan, error) { p := &ShowSlow{ShowSlow: as.ShowSlow} p.SetSchema(buildShowSlowSchema()) ret = p + case ast.AdminReloadExprPushdownBlacklist: + return &ReloadExprPushdownBlacklist{}, nil default: return nil, ErrUnsupportedType.GenWithStack("Unsupported ast.AdminStmt(%T) for buildAdmin", as) } diff --git a/session/bootstrap.go b/session/bootstrap.go index 333b8238d00d8..fd093f90de1f1 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -211,6 +211,11 @@ const ( feedback blob NOT NULL, index hist(table_id, is_index, hist_id) );` + + // CreateExprPushdownBlacklist stores the expressions which are not allowed to be pushed down. + CreateExprPushdownBlacklist = `CREATE TABLE IF NOT EXISTS mysql.expr_pushdown_blacklist ( + name char(100) NOT NULL + );` ) // bootstrap initiates system DB for a store. @@ -280,6 +285,7 @@ const ( version22 = 22 version23 = 23 version24 = 24 + version25 = 25 ) func checkBootstrapped(s Session) (bool, error) { @@ -435,6 +441,10 @@ func upgrade(s Session) { upgradeToVer24(s) } + if ver < version25 { + upgradeToVer25(s) + } + updateBootstrapVer(s) _, err = s.Execute(context.Background(), "COMMIT") @@ -694,6 +704,10 @@ func upgradeToVer24(s Session) { writeSystemTZ(s) } +func upgradeToVer25(s Session) { + doReentrantDDL(s, CreateExprPushdownBlacklist) +} + // updateBootstrapVer updates bootstrap version variable in mysql.TiDB table. func updateBootstrapVer(s Session) { // Update bootstrap version. @@ -744,6 +758,8 @@ func doDDLWorks(s Session) { mustExecute(s, CreateGCDeleteRangeDoneTable) // Create stats_feedback table. mustExecute(s, CreateStatsFeedbackTable) + // Create expr_pushdown_blacklist table. + mustExecute(s, CreateExprPushdownBlacklist) } // doDMLWorks executes DML statements in bootstrap stage. diff --git a/session/session.go b/session/session.go index 244f3974f907a..860d5378534ba 100644 --- a/session/session.go +++ b/session/session.go @@ -1259,6 +1259,11 @@ func BootstrapSession(store kv.Storage) (*domain.Domain, error) { } } + err = executor.LoadExprPushdownBlacklist(se) + if err != nil { + return nil, err + } + se1, err := createSession(store) if err != nil { return nil, errors.Trace(err) @@ -1353,7 +1358,7 @@ func createSessionWithDomain(store kv.Storage, dom *domain.Domain) (*session, er const ( notBootstrapped = 0 - currentBootstrapVersion = 24 + currentBootstrapVersion = 25 ) func getStoreBootstrapVersion(store kv.Storage) int64 { From 040efaf863731847e426d8ec52540eb274831eb4 Mon Sep 17 00:00:00 2001 From: xuhuaiyu <391585975@qq.com> Date: Wed, 3 Jul 2019 13:49:15 +0800 Subject: [PATCH 2/2] go mod tidy --- go.sum | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 79 insertions(+), 1 deletion(-) diff --git a/go.sum b/go.sum index 65246a52bc4bf..9f45eec77ba5a 100644 --- a/go.sum +++ b/go.sum @@ -1,103 +1,181 @@ +github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= +github.com/apache/thrift v0.0.0-20161221203622-b2a4d4ae21c7 h1:Fv9bK1Q+ly/ROk4aJsVMeuIwPel4bEnD8EPiI91nZMg= github.com/apache/thrift 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