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David Rowley 2dc16efedc Attempt to fix unstable regression tests 
b07642dbc added code to trigger autovacuums based on the number of
inserts into a table. This seems to have caused some regression test
results to destabilize. I suspect this is due to autovacuum triggering a
vacuum sometime after the test's ANALYZE run and perhaps reltuples is
ending up being set to a slightly different value as a result.

Attempt to resolve this by running a VACUUM ANALYZE on the affected table
instead of just ANALYZE. pg_class.reltuples will still get set to whatever
ANALYZE chooses but we should no longer get the proceeding autovacuum
overriding that.

The overhead this adds to each test's runtime seems small enough not to
worry about. I measure 3-4% on stats_ext and can't measure any change in
partition_aggregate.

I'm unable to recreate the issue locally, so this is a bit of a blind
fix.

Discussion: https://postgr.es/m/CAApHDvpWmpqYrKwwDQyeDq8dAyK7GMNaxDhrG69CkSuXoEg%2BVg%40mail.gmail.com
2020-03-29 19:36:20 +13:00
config Enable Unix-domain sockets support on Windows 2020-03-28 15:01:01 +01:00
contrib Fix lquery's behavior for consecutive '*' items. 2020-03-28 18:31:05 -04:00
doc Protect against overflow of ltree.numlevel and lquery.numlevel. 2020-03-28 17:09:51 -04:00
src Attempt to fix unstable regression tests 2020-03-29 19:36:20 +13:00
.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
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
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

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/.