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Tom Lane 5d44fff01e In postgres_fdw, allow CASE expressions to be pushed to the remote server.
This is simple enough except for the need to check whether CaseTestExpr
nodes have a collation that is not derived from a remote Var.  For that,
examine the CASE's "arg" expression and then pass that info down into the
recursive examination of the WHEN expressions.

Alexander Pyhalov, reviewed by Gilles Darold and myself

Discussion: https://postgr.es/m/fda09032e90d85d9b726a41e03f9097f@postgrespro.ru
2021-07-30 13:39:48 -04:00
config Remove configure-time thread safety checking (thread_test.c). 2021-07-24 12:16:39 -04:00
contrib In postgres_fdw, allow CASE expressions to be pushed to the remote server. 2021-07-30 13:39:48 -04:00
doc docs: Fix bit_count example output 2021-07-29 21:39:40 +02:00
src Remove unnecessary call to ReadCheckpointRecord(). 2021-07-30 08:35:13 -04:00
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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/.