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David Rowley 2bcf0785cd Re-disallow Memoize for parameterized nested loops with join filters 
This was previously fixed in 9e215378d but got broken again as a result
of 2489d76c4.  It seems that commit causes ppi_clauses to contain
duplicate clauses and it's no longer safe to check the list_length of
that list to determine if there are join conditions other than what's
mentioned in ppi_clauses.

Here we adjust the check to count the distinct rinfo_serial mentioned in
ppi_clauses.  We expect that extra->restrictlist won't have duplicate
rinfo_serials.

Reported-by: Amadeo Gallardo
Author: Richard Guo
Discussion: https://postgr.es/m/CADFREbW-BLJd7-a5J%2B5wjVumeFG1ByXiSOFzMtkmY_SDWckTxw%40mail.gmail.com
Backpatch-through: 16, where 2489d76c4 was introduced.
2024-01-22 22:45:02 +13:00
config Add copyright notices to a few perl scripts that don't have them 2024-01-05 13:15:50 +00:00
contrib Teach autoprewarm to use the dynamic shared memory registry. 2024-01-19 14:43:59 -06:00
doc Add backend support for injection points 2024-01-22 10:15:50 +09:00
src Re-disallow Memoize for parameterized nested loops with join filters 2024-01-22 22:45:02 +13:00
.cirrus.star Remove duplicate words in docs and code comments. 2023-10-09 09:18:47 +05:30
.cirrus.tasks.yml Use "template" data directory in tests 2023-08-24 14:38:02 -07:00
.cirrus.yml ci: Make compute resources for CI configurable 2023-08-23 15:15:28 -07:00
.dir-locals.el
.editorconfig
.git-blame-ignore-revs Add previous commit to .git-blame-ignore-revs. 2024-01-13 13:56:46 -05:00
.gitattributes Replace Gen_dummy_probes.sed with Gen_dummy_probes.pl 2023-11-14 10:27:10 +01:00
.gitignore
aclocal.m4 autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
configure Add backend support for injection points 2024-01-22 10:15:50 +09:00
configure.ac Add backend support for injection points 2024-01-22 10:15:50 +09:00
COPYRIGHT Update copyright for 2024 2024-01-03 20:49:05 -05:00
GNUmakefile.in Stop generating plain-text INSTALL instructions. 2023-12-22 13:32:15 -05:00
HISTORY
Makefile Stop generating plain-text INSTALL instructions. 2023-12-22 13:32:15 -05:00
meson_options.txt Add backend support for injection points 2024-01-22 10:15:50 +09:00
meson.build Add backend support for injection points 2024-01-22 10:15:50 +09:00
README Stop generating plain-text INSTALL instructions. 2023-12-22 13:32:15 -05:00

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.

Copyright and license information can be found in the file COPYRIGHT.

General documentation about this version of PostgreSQL can be found at:
https://www.postgresql.org/docs/devel/
In particular, information about building PostgreSQL from the source
code can be found at:
https://www.postgresql.org/docs/devel/installation.html

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