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Tom Lane 7cb0a423f9 Improve stability fix for partition_aggregate test. 
Instead of disabling autovacuum on these test tables, adjust the
partition boundaries so that the child partitions are not all the
same size.  That should cause the planner to use a predictable
ordering of the per-partition scan nodes even in cases where
autovacuum causes the rowcount estimates to be off a bit.
Moreover, this also lets these tests show that the planner does
properly order the tables in descending size order, something
that wasn't being proven before.

The pagg_tab1 and pagg_tab2 partitions are still all the same
size, but that should be fine, because those tables are so small
that (1) autovacuum won't fire on them, and (2) even if it did,
it couldn't change the reltuples value --- with only one page,
it can't see just part of the relation.

Discussion: https://postgr.es/m/24467.1585838693@sss.pgh.pa.us
 		2020-04-02 19:43:51 -04:00
config Enable Unix-domain sockets support on Windows 2020-03-28 15:01:01 +01:00
contrib Fix whitespace 2020-04-02 08:56:12 +02:00
doc doc: remove unnecessary INNER keyword 2020-04-02 17:42:09 -04:00
src Improve stability fix for partition_aggregate test. 2020-04-02 19:43:51 -04:00
.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
.gitattributes gitattributes: Add new file 2019-11-12 08:13:55 +01:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
COPYRIGHT Update copyrights for 2020 2020-01-01 12:21:45 -05:00
GNUmakefile.in Add support for automatically updating Unicode derived files 2020-01-09 10:08:14 +01:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Don't unset MAKEFLAGS in non-GNU Makefile. 2019-06-25 09:36:21 +12:00
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
aclocal.m4 Fix configure's AC_CHECK_DECLS tests to work correctly with clang. 2018-11-19 12:01:47 -05:00
configure Enable Unix-domain sockets support on Windows 2020-03-28 15:01:01 +01:00
configure.in Define EXEC_BACKEND in pg_config_manual.h 2020-03-25 14:31:14 +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/.