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Robert Haas 0414b26bac Add optimizer and executor support for parallel index-only scans. 
Commit 5262f7a4fc added similar support
for parallel index scans; this extends that work to index-only scans.
As with parallel index scans, this requires support from the index AM,
so currently parallel index-only scans will only be possible for btree
indexes.

Rafia Sabih, reviewed and tested by Rahila Syed, Tushar Ahuja,
and Amit Kapila

Discussion: http://postgr.es/m/CAOGQiiPEAs4C=TBp0XShxBvnWXuzGL2u++Hm1=qnCpd6_Mf8Fw@mail.gmail.com
2017-02-19 15:57:55 +05:30
..
examples Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
isolation Fix typos in comments. 2017-02-06 11:33:58 +02:00
locale Use 'use strict' in all Perl programs 2017-01-05 12:34:48 -05:00
mb Revert "Fix broken multibyte regression tests." 2016-01-26 08:29:15 +09:00
modules Remove contrib/tsearch2. 2017-02-13 11:06:11 -05:00
perl Remove all references to "xlog" from SQL-callable functions in pg_proc. 2017-02-09 15:10:09 -05:00
recovery Remove all references to "xlog" from SQL-callable functions in pg_proc. 2017-02-09 15:10:09 -05:00
regress Add optimizer and executor support for parallel index-only scans. 2017-02-19 15:57:55 +05:30
ssl Fix typos in comments. 2017-02-06 11:33:58 +02:00
subscription Remove all references to "xlog" from SQL-callable functions in pg_proc. 2017-02-09 15:10:09 -05:00
thread Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
Makefile Logical replication 2017-01-20 09:04:49 -05:00
README Mention logical replication tests in src/test/README. 2017-01-24 12:57:25 +09:00

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.

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