Update PostgreSQL code as of the following commit:

  commit 6cd404b344f7e27f4d64555bb133f18a758fe851 (tag: REL_11_2)
  Author: Tom Lane <[email protected]>
  Date:   Mon Feb 11 16:17:27 2019 -0500

      Stamp 11.2.

python/yb/build_postgres.py

@@ -438,7 +438,7 @@ def get_saved_build_stamp(self):
 
     def make_postgres(self):
         self.set_env_vars('make')
-        make_cmd = ['make']
+        make_cmd = ['make', '-f', 'Makefile']
 
         make_parallelism = os.environ.get('YB_MAKE_PARALLELISM')
         if make_parallelism:

src/postgres/.dir-locals.el

@@ -5,11 +5,11 @@
             (fill-column . 78)
             (indent-tabs-mode . t)
             (tab-width . 4)))
- (dsssl-mode . ((indent-tabs-mode . nil)))
- (nxml-mode . ((indent-tabs-mode . nil)))
+ (nxml-mode . ((fill-column . 78)
+               (indent-tabs-mode . nil)))
  (perl-mode . ((perl-indent-level . 4)
-               (perl-continued-statement-offset . 4)
-               (perl-continued-brace-offset . 4)
+               (perl-continued-statement-offset . 2)
+               (perl-continued-brace-offset . -2)
                (perl-brace-offset . 0)
                (perl-brace-imaginary-offset . 0)
                (perl-label-offset . -2)

src/postgres/.gitignore

@@ -1,6 +1,7 @@
 # Global excludes across all subdirectories
 *.o
 *.obj
+*.bc
 *.so
 *.so.[0-9]
 *.so.[0-9].[0-9]
@@ -21,8 +22,9 @@ objfiles.txt
 *.gcda
 *.gcov
 *.gcov.out
-lcov.info
+lcov*.info
 coverage/
+coverage-html-stamp
 *.vcproj
 *.vcxproj
 win32ver.rc

src/postgres/COPYRIGHT

@@ -1,7 +1,7 @@
 PostgreSQL Database Management System
 (formerly known as Postgres, then as Postgres95)
 
-Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group
+Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
 
 Portions Copyright (c) 1994, The Regents of the University of California
 

src/postgres/GNUmakefile.in

@@ -63,10 +63,12 @@ distclean maintainer-clean:
 	@rm -rf autom4te.cache/
 	rm -f config.cache config.log config.status GNUmakefile
 
-check check-tests installcheck installcheck-parallel installcheck-tests:
+check check-tests installcheck installcheck-parallel installcheck-tests: CHECKPREP_TOP=src/test/regress
+check check-tests installcheck installcheck-parallel installcheck-tests: submake-generated-headers
 	$(MAKE) -C src/test/regress $@
 
 $(call recurse,check-world,src/test src/pl src/interfaces/ecpg contrib src/bin,check)
+$(call recurse,checkprep,  src/test src/pl src/interfaces/ecpg contrib src/bin)
 
 $(call recurse,installcheck-world,src/test src/pl src/interfaces/ecpg contrib src/bin,installcheck)
 

src/postgres/aclocal.m4

@@ -4,9 +4,11 @@ m4_include([config/ax_prog_perl_modules.m4])
 m4_include([config/ax_pthread.m4])
 m4_include([config/c-compiler.m4])
 m4_include([config/c-library.m4])
+m4_include([config/check_decls.m4])
 m4_include([config/docbook.m4])
 m4_include([config/general.m4])
 m4_include([config/libtool.m4])
+m4_include([config/llvm.m4])
 m4_include([config/perl.m4])
 m4_include([config/pkg.m4])
 m4_include([config/programs.m4])

src/postgres/config/c-compiler.m4

@@ -259,6 +259,23 @@ AC_DEFINE(HAVE__BUILTIN_TYPES_COMPATIBLE_P, 1,
 fi])# PGAC_C_TYPES_COMPATIBLE
 
 
+# PGAC_C_BUILTIN_BSWAP16
+# -------------------------
+# Check if the C compiler understands __builtin_bswap16(),
+# and define HAVE__BUILTIN_BSWAP16 if so.
+AC_DEFUN([PGAC_C_BUILTIN_BSWAP16],
+[AC_CACHE_CHECK(for __builtin_bswap16, pgac_cv__builtin_bswap16,
+[AC_COMPILE_IFELSE([AC_LANG_SOURCE(
+[static unsigned long int x = __builtin_bswap16(0xaabb);]
+)],
+[pgac_cv__builtin_bswap16=yes],
+[pgac_cv__builtin_bswap16=no])])
+if test x"$pgac_cv__builtin_bswap16" = xyes ; then
+AC_DEFINE(HAVE__BUILTIN_BSWAP16, 1,
+          [Define to 1 if your compiler understands __builtin_bswap16.])
+fi])# PGAC_C_BUILTIN_BSWAP16
+
+
 
 # PGAC_C_BUILTIN_BSWAP32
 # -------------------------
@@ -300,10 +317,15 @@ fi])# PGAC_C_BUILTIN_BSWAP64
 # -------------------------
 # Check if the C compiler understands __builtin_constant_p(),
 # and define HAVE__BUILTIN_CONSTANT_P if so.
+# We need __builtin_constant_p("string literal") to be true, but some older
+# compilers don't think that, so test for that case explicitly.
 AC_DEFUN([PGAC_C_BUILTIN_CONSTANT_P],
 [AC_CACHE_CHECK(for __builtin_constant_p, pgac_cv__builtin_constant_p,
 [AC_COMPILE_IFELSE([AC_LANG_SOURCE(
-[[static int x; static int y[__builtin_constant_p(x) ? x : 1];]]
+[[static int x;
+  static int y[__builtin_constant_p(x) ? x : 1];
+  static int z[__builtin_constant_p("string literal") ? 1 : x];
+]]
 )],
 [pgac_cv__builtin_constant_p=yes],
 [pgac_cv__builtin_constant_p=no])])
@@ -314,6 +336,34 @@ fi])# PGAC_C_BUILTIN_CONSTANT_P
 
 
 
+# PGAC_C_BUILTIN_OP_OVERFLOW
+# -------------------------
+# Check if the C compiler understands __builtin_$op_overflow(),
+# and define HAVE__BUILTIN_OP_OVERFLOW if so.
+#
+# Check for the most complicated case, 64 bit multiplication, as a
+# proxy for all of the operations.  To detect the case where the compiler
+# knows the function but library support is missing, we must link not just
+# compile, and store the results in global variables so the compiler doesn't
+# optimize away the call.
+AC_DEFUN([PGAC_C_BUILTIN_OP_OVERFLOW],
+[AC_CACHE_CHECK(for __builtin_mul_overflow, pgac_cv__builtin_op_overflow,
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([
+PG_INT64_TYPE a = 1;
+PG_INT64_TYPE b = 1;
+PG_INT64_TYPE result;
+int oflo;
+],
+[oflo = __builtin_mul_overflow(a, b, &result);])],
+[pgac_cv__builtin_op_overflow=yes],
+[pgac_cv__builtin_op_overflow=no])])
+if test x"$pgac_cv__builtin_op_overflow" = xyes ; then
+AC_DEFINE(HAVE__BUILTIN_OP_OVERFLOW, 1,
+          [Define to 1 if your compiler understands __builtin_$op_overflow.])
+fi])# PGAC_C_BUILTIN_OP_OVERFLOW
+
+
+
 # PGAC_C_BUILTIN_UNREACHABLE
 # --------------------------
 # Check if the C compiler understands __builtin_unreachable(),
@@ -378,26 +428,40 @@ fi])# PGAC_C_VA_ARGS
 
 
 
-# PGAC_PROG_CC_CFLAGS_OPT
+# PGAC_PROG_VARCC_VARFLAGS_OPT
 # -----------------------
-# Given a string, check if the compiler supports the string as a
-# command-line option. If it does, add the string to CFLAGS.
-AC_DEFUN([PGAC_PROG_CC_CFLAGS_OPT],
-[define([Ac_cachevar], [AS_TR_SH([pgac_cv_prog_cc_cflags_$1])])dnl
-AC_CACHE_CHECK([whether $CC supports $1], [Ac_cachevar],
+# Given a compiler, variable name and a string, check if the compiler
+# supports the string as a command-line option. If it does, add the
+# string to the given variable.
+AC_DEFUN([PGAC_PROG_VARCC_VARFLAGS_OPT],
+[define([Ac_cachevar], [AS_TR_SH([pgac_cv_prog_$1_cflags_$3])])dnl
+AC_CACHE_CHECK([whether ${$1} supports $3, for $2], [Ac_cachevar],
 [pgac_save_CFLAGS=$CFLAGS
-CFLAGS="$pgac_save_CFLAGS $1"
+pgac_save_CC=$CC
+CC=${$1}
+CFLAGS="${$2} $3"
 ac_save_c_werror_flag=$ac_c_werror_flag
 ac_c_werror_flag=yes
 _AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
                    [Ac_cachevar=yes],
                    [Ac_cachevar=no])
 ac_c_werror_flag=$ac_save_c_werror_flag
-CFLAGS="$pgac_save_CFLAGS"])
+CFLAGS="$pgac_save_CFLAGS"
+CC="$pgac_save_CC"])
 if test x"$Ac_cachevar" = x"yes"; then
-  CFLAGS="$CFLAGS $1"
+  $2="${$2} $3"
 fi
 undefine([Ac_cachevar])dnl
+])# PGAC_PROG_VARCC_VARFLAGS_OPT
+
+
+
+# PGAC_PROG_CC_CFLAGS_OPT
+# -----------------------
+# Given a string, check if the compiler supports the string as a
+# command-line option. If it does, add the string to CFLAGS.
+AC_DEFUN([PGAC_PROG_CC_CFLAGS_OPT], [
+PGAC_PROG_VARCC_VARFLAGS_OPT(CC, CFLAGS, $1)
 ])# PGAC_PROG_CC_CFLAGS_OPT
 
 
@@ -408,22 +472,48 @@ undefine([Ac_cachevar])dnl
 # the string as a command-line option. If it does, add the string to
 # the given variable.
 AC_DEFUN([PGAC_PROG_CC_VAR_OPT],
-[define([Ac_cachevar], [AS_TR_SH([pgac_cv_prog_cc_cflags_$2])])dnl
-AC_CACHE_CHECK([whether $CC supports $2], [Ac_cachevar],
-[pgac_save_CFLAGS=$CFLAGS
-CFLAGS="$pgac_save_CFLAGS $2"
-ac_save_c_werror_flag=$ac_c_werror_flag
-ac_c_werror_flag=yes
+[PGAC_PROG_VARCC_VARFLAGS_OPT(CC, $1, $2)
+])# PGAC_PROG_CC_VAR_OPT
+
+
+
+# PGAC_PROG_VARCXX_VARFLAGS_OPT
+# -----------------------
+# Given a compiler, variable name and a string, check if the compiler
+# supports the string as a command-line option. If it does, add the
+# string to the given variable.
+AC_DEFUN([PGAC_PROG_VARCXX_VARFLAGS_OPT],
+[define([Ac_cachevar], [AS_TR_SH([pgac_cv_prog_$1_cxxflags_$3])])dnl
+AC_CACHE_CHECK([whether ${$1} supports $3, for $2], [Ac_cachevar],
+[pgac_save_CXXFLAGS=$CXXFLAGS
+pgac_save_CXX=$CXX
+CXX=${$1}
+CXXFLAGS="${$2} $3"
+ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+ac_cxx_werror_flag=yes
+AC_LANG_PUSH(C++)
 _AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],
                    [Ac_cachevar=yes],
                    [Ac_cachevar=no])
-ac_c_werror_flag=$ac_save_c_werror_flag
-CFLAGS="$pgac_save_CFLAGS"])
+AC_LANG_POP([])
+ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+CXXFLAGS="$pgac_save_CXXFLAGS"
+CXX="$pgac_save_CXX"])
 if test x"$Ac_cachevar" = x"yes"; then
-  $1="${$1} $2"
+  $2="${$2} $3"
 fi
 undefine([Ac_cachevar])dnl
-])# PGAC_PROG_CC_VAR_OPT
+])# PGAC_PROG_VARCXX_VARFLAGS_OPT
+
+
+
+# PGAC_PROG_CXX_CFLAGS_OPT
+# -----------------------
+# Given a string, check if the compiler supports the string as a
+# command-line option. If it does, add the string to CXXFLAGS.
+AC_DEFUN([PGAC_PROG_CXX_CFLAGS_OPT],
+[PGAC_PROG_VARCXX_VARFLAGS_OPT(CXX, CXXFLAGS, $1)
+])# PGAC_PROG_CXX_VAR_OPT
 
 
 
@@ -498,7 +588,7 @@ AC_DEFUN([PGAC_HAVE_GCC__SYNC_INT32_CAS],
   [pgac_cv_gcc_sync_int32_cas="yes"],
   [pgac_cv_gcc_sync_int32_cas="no"])])
 if test x"$pgac_cv_gcc_sync_int32_cas" = x"yes"; then
-  AC_DEFINE(HAVE_GCC__SYNC_INT32_CAS, 1, [Define to 1 if you have __sync_compare_and_swap(int *, int, int).])
+  AC_DEFINE(HAVE_GCC__SYNC_INT32_CAS, 1, [Define to 1 if you have __sync_val_compare_and_swap(int *, int, int).])
 fi])# PGAC_HAVE_GCC__SYNC_INT32_CAS
 
 # PGAC_HAVE_GCC__SYNC_INT64_CAS
@@ -513,7 +603,7 @@ AC_DEFUN([PGAC_HAVE_GCC__SYNC_INT64_CAS],
   [pgac_cv_gcc_sync_int64_cas="yes"],
   [pgac_cv_gcc_sync_int64_cas="no"])])
 if test x"$pgac_cv_gcc_sync_int64_cas" = x"yes"; then
-  AC_DEFINE(HAVE_GCC__SYNC_INT64_CAS, 1, [Define to 1 if you have __sync_compare_and_swap(int64 *, int64, int64).])
+  AC_DEFINE(HAVE_GCC__SYNC_INT64_CAS, 1, [Define to 1 if you have __sync_val_compare_and_swap(int64 *, int64, int64).])
 fi])# PGAC_HAVE_GCC__SYNC_INT64_CAS
 
 # PGAC_HAVE_GCC__ATOMIC_INT32_CAS
@@ -545,7 +635,7 @@ AC_DEFUN([PGAC_HAVE_GCC__ATOMIC_INT64_CAS],
   [pgac_cv_gcc_atomic_int64_cas="yes"],
   [pgac_cv_gcc_atomic_int64_cas="no"])])
 if test x"$pgac_cv_gcc_atomic_int64_cas" = x"yes"; then
-  AC_DEFINE(HAVE_GCC__ATOMIC_INT64_CAS, 1, [Define to 1 if you have __atomic_compare_exchange_n(int64 *, int *, int64).])
+  AC_DEFINE(HAVE_GCC__ATOMIC_INT64_CAS, 1, [Define to 1 if you have __atomic_compare_exchange_n(int64 *, int64 *, int64).])
 fi])# PGAC_HAVE_GCC__ATOMIC_INT64_CAS
 
 # PGAC_SSE42_CRC32_INTRINSICS
@@ -577,3 +667,37 @@ if test x"$Ac_cachevar" = x"yes"; then
 fi
 undefine([Ac_cachevar])dnl
 ])# PGAC_SSE42_CRC32_INTRINSICS
+
+
+# PGAC_ARMV8_CRC32C_INTRINSICS
+# -----------------------
+# Check if the compiler supports the CRC32C instructions using the __crc32cb,
+# __crc32ch, __crc32cw, and __crc32cd intrinsic functions. These instructions
+# were first introduced in ARMv8 in the optional CRC Extension, and became
+# mandatory in ARMv8.1.
+#
+# An optional compiler flag can be passed as argument (e.g.
+# -march=armv8-a+crc). If the intrinsics are supported, sets
+# pgac_armv8_crc32c_intrinsics, and CFLAGS_ARMV8_CRC32C.
+AC_DEFUN([PGAC_ARMV8_CRC32C_INTRINSICS],
+[define([Ac_cachevar], [AS_TR_SH([pgac_cv_armv8_crc32c_intrinsics_$1])])dnl
+AC_CACHE_CHECK([for __crc32cb, __crc32ch, __crc32cw, and __crc32cd with CFLAGS=$1], [Ac_cachevar],
+[pgac_save_CFLAGS=$CFLAGS
+CFLAGS="$pgac_save_CFLAGS $1"
+AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <arm_acle.h>],
+  [unsigned int crc = 0;
+   crc = __crc32cb(crc, 0);
+   crc = __crc32ch(crc, 0);
+   crc = __crc32cw(crc, 0);
+   crc = __crc32cd(crc, 0);
+   /* return computed value, to prevent the above being optimized away */
+   return crc == 0;])],
+  [Ac_cachevar=yes],
+  [Ac_cachevar=no])
+CFLAGS="$pgac_save_CFLAGS"])
+if test x"$Ac_cachevar" = x"yes"; then
+  CFLAGS_ARMV8_CRC32C="$1"
+  pgac_armv8_crc32c_intrinsics=yes
+fi
+undefine([Ac_cachevar])dnl
+])# PGAC_ARMV8_CRC32C_INTRINSICS