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David Rowley eb706fde83 Fix newly introduced bug in slab.c 
d21ded75f changed the way slab.c works but introduced a bug that meant we
could end up with the slab's curBlocklistIndex pointing to the wrong list.
The condition which was checking for this was failing to account for two
things:

1. The curBlocklistIndex could be 0 as we've currently got no non-full
blocks to put chunks on.  In this case, the dlist_is_empty() check cannot
be performed as there can be any number of completely full blocks at that
index.

2. The curBlocklistIndex may be greater than the index we just moved the
block onto.  Since we need to ensure we fill up fuller blocks first, we
must reset curBlocklistIndex when changing any blocklist element that's
less than the curBlocklistIndex too.

Reported-by: Takamichi Osumi
Discussion: https://postgr.es/m/TYCPR01MB8373329C6329768D7E093D68EDEB9@TYCPR01MB8373.jpnprd01.prod.outlook.com
2022-12-22 09:57:49 +13:00
config autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
contrib Switch some system functions to use get_call_result_type() 2022-12-21 10:11:22 +09:00
doc Add copyright notices to meson files 2022-12-20 07:54:39 -05:00
src Fix newly introduced bug in slab.c 2022-12-22 09:57:49 +13:00
.cirrus.yml Add option to specify segment size in blocks 2022-12-07 19:32:59 -08:00
.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 b2e6e7682 to .git-blame-ignore-revs 2022-09-08 14:06:59 +07:00
.gitattributes Remove trailing whitespace from *.sgml files. 2022-04-20 11:04:49 -04:00
.gitignore Update top-level .gitignore. 2022-12-04 15:23:00 -05:00
aclocal.m4 autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
configure Disable clang 16's -Wcast-function-type-strict. 2022-12-13 10:15:56 +13:00
configure.ac Disable clang 16's -Wcast-function-type-strict. 2022-12-13 10:15:56 +13:00
COPYRIGHT Update copyright for 2022 2022-01-07 19:04:57 -05:00
GNUmakefile.in Remove temporary portlock directory during make [dist]clean. 2022-11-26 10:30:31 -05:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Dynamically find correct installation docs in Makefile. 2022-01-19 14:48:25 +01:00
meson_options.txt Add copyright notices to meson files 2022-12-20 07:54:39 -05:00
meson.build Add copyright notices to meson files 2022-12-20 07:54:39 -05:00
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/.