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Per-column collation support

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This adds collation support for columns and domains, a COLLATE clause
to override it per expression, and B-tree index support.

Peter Eisentraut
reviewed by Pavel Stehule, Itagaki Takahiro, Robert Haas, Noah Misch
This commit is contained in:
Peter Eisentraut
2011-02-08 23:04:18 +02:00
parent 1703f0e8da
commit 414c5a2ea6
156 changed files with 4519 additions and 582 deletions
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29
config/c-library.m4
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@ -297,3 +297,32 @@ int main()
])dnl AC_CACHE_VAL
AC_MSG_RESULT([$pgac_cv_printf_arg_control])
])# PGAC_FUNC_PRINTF_ARG_CONTROL
# PGAC_TYPE_LOCALE_T
# ------------------
# Check for the locale_t type and find the right header file. Mac OS
# X needs xlocale.h; standard is locale.h, but glibc also has an
# xlocale.h file that we should not use.
#
AC_DEFUN([PGAC_TYPE_LOCALE_T],
[AC_CACHE_CHECK([for locale_t], pgac_cv_type_locale_t,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include <locale.h>
locale_t x;],
[])],
[pgac_cv_type_locale_t=yes],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#include <xlocale.h>
locale_t x;],
[])],
[pgac_cv_type_locale_t='yes (in xlocale.h)'],
[pgac_cv_type_locale_t=no])])])
if test "$pgac_cv_type_locale_t" != no; then
AC_DEFINE(HAVE_LOCALE_T, 1,
[Define to 1 if the system has the type `locale_t'.])
fi
if test "$pgac_cv_type_locale_t" = 'yes (in xlocale.h)'; then
AC_DEFINE(LOCALE_T_IN_XLOCALE, 1,
[Define to 1 if `locale_t' requires <xlocale.h>.])
fi])])# PGAC_HEADER_XLOCALE