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Tom Lane de3d2df751 Fix CheckAttributeType's handling of collations for ranges. 
Commit fc7695891 changed CheckAttributeType to recurse into ranges,
but made it pass down the wrong collation (always InvalidOid, since
ranges as such have no collation).  This would result in guaranteed
failure when considering a range type whose subtype is collatable.

Embarrassingly, we lack any regression tests that would expose such
a problem (but fortunately, somebody noticed before we shipped this
bug in any release).

Fix it to pass down the range's subtype collation property instead,
and add some regression test cases to exercise collatable-subtype
ranges a bit more.  Back-patch to all supported branches, as the
previous patch was.

Report and patch by Julien Rouhaud, test cases tweaked by me

Discussion: https://postgr.es/m/CAOBaU_aBWqNweiGUFX0guzBKkcfJ8mnnyyGC_KBQmO12Mj5f_A@mail.gmail.com
2020-01-31 17:03:55 -05:00
..
backend Fix CheckAttributeType's handling of collations for ranges. 2020-01-31 17:03:55 -05:00
bin Fix parallel pg_dump/pg_restore for failure to create worker processes. 2020-01-31 14:41:49 -05:00
common Tolerate EINVAL when calling fsync() on a directory. 2019-02-24 23:52:20 +13:00
fe_utils Fix translation of special characters in psql's LaTeX output modes. 2018-11-26 17:32:51 -05:00
include Fix CheckAttributeType's handling of collations for ranges. 2020-01-31 17:03:55 -05:00
interfaces libpq should expose GSS-related parameters even when not implemented. 2019-12-20 15:34:08 -05:00
makefiles Select CFLAGS_SL at configure time, not in platform-specific Makefiles. 2019-10-21 12:32:36 -04:00
pl Translation updates 2019-11-11 10:33:28 +01:00
port In pgwin32_open, loop after ERROR_ACCESS_DENIED only if we can't stat. 2019-12-21 17:39:36 -05:00
template Select CFLAGS_SL at configure time, not in platform-specific Makefiles. 2019-10-21 12:32:36 -04:00
test Fix CheckAttributeType's handling of collations for ranges. 2020-01-31 17:03:55 -05:00
timezone Update time zone data files to tzdata release 2019c. 2019-09-20 19:54:07 -04:00
tools Handle spaces in OpenSSL install location for MSVC 2019-10-04 15:39:12 -04:00
tutorial Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
.gitignore Convert cvsignore to gitignore, and add .gitignore for build targets. 2010-09-22 12:57:04 +02:00
DEVELOPERS Replace a couple of references to files that no longer exist in the source 2009-05-04 08:08:47 +00:00
Makefile Build src/test/isolation during "make" and "make install". 2017-11-22 20:18:52 -08:00
Makefile.global.in Select CFLAGS_SL at configure time, not in platform-specific Makefiles. 2019-10-21 12:32:36 -04:00
Makefile.shlib Ensure static libraries have correct mod time even if ranlib messes it up. 2018-11-29 15:53:44 -05:00
nls-global.mk nls-global.mk: search build dir for source files, too 2016-06-07 18:55:18 -04:00