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Alvaro Herrera a316a3bc6d
Correctly set userid of subquery relations' child rels 
The RelOptInfo->userid field (the user ID to check permissions as) of an
"otherrel" relation was being copied from its parent relation, which is
correct in most cases but wrong when the parent is a subquery.  In that
case, using the value from the RTEPermissionInfo of the child itself is
the appropriate thing to do.

Coming up with a test case where user-visible behavior changes proves
hard enough, so we don't add one here.

Bug introduced by a61b1f7482, discovered by Amit while reviewing
nearby code.

Author: Amit Langote <amitlangote09@gmail.com>
Discussion: https://postgr.es/m/CA+HiwqE0WY_AhLnGtTsY7eYebG212XWbM-D8gr2A_ToOHyCywQ@mail.gmail.com
 		2023-02-20 16:00:42 +01:00
config autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
contrib Expand regression tests of pg_stat_statements for utility queries 2023-02-20 10:16:51 +09:00
doc Redesign archive modules 2023-02-17 14:26:42 +09:00
src Correctly set userid of subquery relations' child rels 2023-02-20 16:00:42 +01:00
.cirrus.yml ci: freebsd: stop postgres instance on failure, to prevent log upload failures 2023-02-06 15:41:38 -08:00
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GNUmakefile.in Integrate pg_bsd_indent into our build/test infrastructure. 2023-02-12 12:22:21 -05:00
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aclocal.m4 autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
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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/.