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Tom Lane 4ea03f3f4e Improve stability of partition_prune regression test. 
This test already knew that, to get stable test output, it had to hide
"loops" counts in EXPLAIN ANALYZE results.  But that's not nearly enough:
if we get a smaller number of workers than we planned for, then the
"Workers Launched" number will change, and so will all the rows and loops
counts up to the Gather node.  This has resulted in repeated failures in
the buildfarm, so adjust the test to filter out all these counts.

(Really, we wouldn't bother with EXPLAIN ANALYZE at all here, except
that currently the only way to verify that executor-time pruning has
happened is to look for '(never executed)' annotations.  Those are
stable and needn't be filtered out.)

Back-patch to v11 where the test was introduced.

Discussion: https://postgr.es/m/11952.1569536725@sss.pgh.pa.us
 		2019-09-28 13:33:34 -04:00
config Remove obsolete reference to Irix 2019-08-18 06:53:28 +02:00
contrib Allow definition of lock mode for custom reloptions 2019-09-25 10:13:52 +09:00
doc Have pg_rewind run crash recovery before rewinding 2019-09-27 16:40:01 -03:00
src Improve stability of partition_prune regression test. 2019-09-28 13:33:34 -04:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.gitattributes Add XSL stylesheet to fix up SVG files 2019-06-19 21:26:42 +02:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
COPYRIGHT Update copyright for 2019 2019-01-02 12:44:25 -05:00
GNUmakefile.in Add "headerscheck" script to test header-file compilability under C. 2019-08-19 14:22:56 -04:00
HISTORY Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
Makefile Don't unset MAKEFLAGS in non-GNU Makefile. 2019-06-25 09:36:21 +12:00
README Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
README.git Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
aclocal.m4 Fix configure's AC_CHECK_DECLS tests to work correctly with clang. 2018-11-19 12:01:47 -05:00
configure Revert "For all ppc compilers, implement pg_atomic_fetch_add_ with inline asm." 2019-09-14 19:38:41 -07:00
configure.in Revert "For all ppc compilers, implement pg_atomic_fetch_add_ with inline asm." 2019-09-14 19:38:41 -07:00

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/.