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Alvaro Herrera 37798a8e83 Don't mark partitioned indexes invalid unnecessarily
When an indexes is created on a partitioned table using ONLY (don't
recurse to partitions), it gets marked invalid until index partitions
are attached for each table partition.  But there's no reason to do this
if there are no partitions ... and moreover, there's no way to get the
index to become valid afterwards, because all partitions that get
created/attached get their own index partition already attached to the
parent index, so there's no chance to do ALTER INDEX ... ATTACH PARTITION
that would make the parent index valid.

Fix by not marking the index as invalid to begin with.

This is very similar to 9139aa1942, but the pg_dump aspect does not
appear to be relevant until we add FKs that can point to PKs on
partitioned tables.  (I tried to cause the pg_upgrade test to break by
leaving some of these bogus tables around, but wasn't able to.)

Making this change means that an index that was supposed to be invalid
in the insert_conflict regression test is no longer invalid; reorder the
DDL so that the test continues to verify the behavior we want it to.

Author: Álvaro Herrera
Reviewed-by: Amit Langote
Discussion: https://postgr.es/m/20181203225019.2vvdef2ybnkxt364@alvherre.pgsql
2018-12-05 13:31:55 -03:00
config Postpone LLVM-related uses of AC_CHECK_DECLS. 2018-11-19 12:43:05 -05:00
contrib C comment: remove extra '*' 2018-11-28 07:34:10 -05:00
doc Fix invalid value of synchronous_commit in description of flush_lag 2018-12-05 10:02:55 +09:00
src Don't mark partitioned indexes invalid unnecessarily 2018-12-05 13:31:55 -03:00
.dir-locals.el Update documentation editor setup instructions 2018-07-13 21:28:18 +02:00
.gitattributes Remove contrib/tsearch2. 2017-02-13 11:06:11 -05:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
aclocal.m4 Fix configure's AC_CHECK_DECLS tests to work correctly with clang. 2018-11-19 12:01:47 -05:00
configure Postpone LLVM-related uses of AC_CHECK_DECLS. 2018-11-19 12:43:05 -05:00
configure.in Postpone LLVM-related uses of AC_CHECK_DECLS. 2018-11-19 12:43:05 -05:00
COPYRIGHT Update copyright for 2018 2018-01-02 23:30:12 -05:00
GNUmakefile.in Ensure we build generated headers at the start of some more cases. 2018-07-30 18:04:39 -04:00
HISTORY Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
Makefile Fix non-GNU makefiles for AIX make. 2017-11-30 00:57:22 -08:00
README Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
README.git Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00

PostgreSQL Database Management System
=====================================

This directory contains the source code distribution of the PostgreSQL
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