postgresql

History

Andrew Gierth b5635948ab Support hashed aggregation with grouping sets. This extends the Aggregate node with two new features: HashAggregate can now run multiple hashtables concurrently, and a new strategy MixedAggregate populates hashtables while doing sorted grouping. The planner will now attempt to save as many sorts as possible when planning grouping sets queries, while not exceeding work_mem for the estimated combined sizes of all hashtables used. No SQL-level changes are required. There should be no user-visible impact other than the new EXPLAIN output and possible changes to result ordering when ORDER BY was not used (which affected a few regression tests). The enable_hashagg option is respected. Author: Andrew Gierth Reviewers: Mark Dilger, Andres Freund Discussion: https://postgr.es/m/87vatszyhj.fsf@news-spur.riddles.org.uk		2017-03-27 04:20:54 +01:00
..
authentication	Allow SCRAM authentication, when pg_hba.conf says 'md5'.	2017-03-24 13:32:21 +02:00
examples	Update copyright via script for 2017	2017-01-03 13:48:53 -05:00
isolation	Repair test for vacuum reltuples fix.	2017-03-17 14:35:54 +00:00
locale	Use 'use strict' in all Perl programs	2017-01-05 12:34:48 -05:00
mb	Fix MB regression tests for WAL-logging of hash indexes.	2017-03-15 07:25:36 -04:00
modules	Add cleanup to new test cases	2017-03-25 11:11:43 -04:00
perl	Add a pg_recvlogical wrapper to PostgresNode	2017-03-21 14:04:49 +00:00
recovery	Report catalog_xmin separately in hot_standby_feedback	2017-03-25 14:07:27 +00:00
regress	Support hashed aggregation with grouping sets.	2017-03-27 04:20:54 +01:00
ssl	Fix typos in comments.	2017-02-06 11:33:58 +02:00
subscription	Logical replication support for initial data copy	2017-03-23 08:55:37 -04:00
thread	Update copyright via script for 2017	2017-01-03 13:48:53 -05:00
Makefile	Add TAP tests for password-based authentication methods.	2017-03-17 11:34:16 +02:00
README	Add TAP tests for password-based authentication methods.	2017-03-17 11:34:16 +02:00

README

PostgreSQL tests
================

This directory contains a variety of test infrastructure as well as some of the
tests in PostgreSQL. Not all tests are here -- in particular, there are more in
individual contrib/ modules and in src/bin.

Not all these tests get run by "make check". Check src/test/Makefile to see
which tests get run automatically.

authentication/
  Tests for authentication

examples/
  Demonstration programs for libpq that double as regression tests via
  "make check"

isolation/
  Tests for concurrent behavior at the SQL level

locale/
  Sanity checks for locale data, encodings, etc

mb/
  Tests for multibyte encoding (UTF-8) support

modules/
  Extensions used only or mainly for test purposes, generally not suitable
  for installing in production databases

perl/
  Infrastructure for Perl-based TAP tests

recovery/
  Test suite for recovery and replication

regress/
  PostgreSQL's main regression test suite, pg_regress

ssl/
  Tests to exercise and verify SSL certificate handling

subscription/
  Tests for logical replication

thread/
  A thread-safety-testing utility used by configure