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Michael Paquier f255de9a45 Preserve opclass parameters across REINDEX CONCURRENTLY 
The opclass parameter Datums from the old index are fetched in the same
way as for predicates and expressions, by grabbing them directly from
the system catalogs.  They are then copied into the new IndexInfo that
will be used for the creation of the new copy.

This caused the new index to be rebuilt with default parameters rather
than the ones pre-defined by a user.  The only way to get back a new
index with correct opclass parameters would be to recreate a new index
from scratch.

The issue has been introduced by 911e702.

Author: Michael Paquier
Reviewed-by: Zhihong Yu
Discussion: https://postgr.es/m/YX0CG/QpLXcPr8HJ@paquier.xyz
Backpatch-through: 13
2021-11-01 11:40:22 +09:00
config Remove configure-time thread safety checking (thread_test.c). 2021-07-24 12:16:40 -04:00
contrib Don't try to read a multi-GB pg_stat_statements file in one call. 2021-10-31 19:13:48 -04:00
doc doc: Fix link to SELinux user guide in sepgsql page 2021-10-28 09:26:13 +09:00
src Preserve opclass parameters across REINDEX CONCURRENTLY 2021-11-01 11:40:22 +09:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.editorconfig Add .editorconfig 2019-12-18 09:13:13 +01:00
.git-blame-ignore-revs Add list of ignorable pgindent commits for git-blame. 2021-06-22 09:06:32 -07:00
.gitattributes gitattributes: Add new entry to silence whitespace error 2021-06-05 07:57:31 +02:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
aclocal.m4 Remove configure-time probe for DocBook DTD. 2020-11-30 15:24:13 -05:00
configure Stamp 14.0. 2021-09-27 16:57:41 -04:00
configure.ac Stamp 14.0. 2021-09-27 16:57:41 -04:00
COPYRIGHT Update copyright for 2021 2021-01-02 13:06:25 -05:00
GNUmakefile.in add missing tag from commit b8c4261e5e 2021-07-01 15:47:47 -04:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Don't unset MAKEFLAGS in non-GNU Makefile. 2019-06-25 09:36:21 +12:00
README Canonicalize some URLs 2020-02-10 20:47:50 +01:00
README.git Canonicalize some URLs 2020-02-10 20:47:50 +01:00

README 

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

This directory contains the source code distribution of the PostgreSQL
database management system.

PostgreSQL is an advanced object-relational database management system
that supports an extended subset of the SQL standard, including
transactions, foreign keys, subqueries, triggers, user-defined types
and functions.  This distribution also contains C language bindings.

PostgreSQL has many language interfaces, many of which are listed here:

	https://www.postgresql.org/download/

See the file INSTALL for instructions on how to build and install
PostgreSQL.  That file also lists supported operating systems and
hardware platforms and contains information regarding any other
software packages that are required to build or run the PostgreSQL
system.  Copyright and license information can be found in the
file COPYRIGHT.  A comprehensive documentation set is included in this
distribution; it can be read as described in the installation
instructions.

The latest version of this software may be obtained at
https://www.postgresql.org/download/.  For more information look at our
web site located at https://www.postgresql.org/.