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Robert Haas c6f28af5d7 Avoid generating bogus paths with partitionwise aggregate.
Previously, if some or all partitions had no partially aggregated path,
we would still try to generate a partially aggregated path for the
parent, leading to assertion failures or wrong answers.

Report by Rajkumar Raghuwanshi.  Patch by Jeevan Chalke, reviewed
by Ashutosh Bapat.  A few changes by me.

Discussion: http://postgr.es/m/CAKcux6=q4+Mw8gOOX16ef6ZMFp9Cve7KWFstUsrDa4GiFaXGUQ@mail.gmail.com
2018-06-22 09:20:19 -04:00
config Update config.guess and config.sub 2018-06-11 08:54:58 -04:00
contrib Fix jsonb_plperl to convert Perl UV values correctly. 2018-06-18 17:39:57 -04:00
doc Fixes for vacuum_cleanup_index_scale_factor GUC option 2018-06-22 12:26:21 +03:00
src Avoid generating bogus paths with partitionwise aggregate. 2018-06-22 09:20:19 -04:00
.dir-locals.el Make Emacs settings match perltidy configuration 2018-04-23 11:44:31 -04:00
.gitattributes
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
aclocal.m4 Add configure infrastructure (--with-llvm) to enable LLVM support. 2018-03-20 17:26:25 -07:00
configure Use -Wno-format-truncation and -Wno-stringop-truncation, if available. 2018-06-16 15:34:07 -04:00
configure.in Use -Wno-format-truncation and -Wno-stringop-truncation, if available. 2018-06-16 15:34:07 -04:00
COPYRIGHT Update copyright for 2018 2018-01-02 23:30:12 -05:00
GNUmakefile.in
HISTORY
Makefile Fix non-GNU makefiles for AIX make. 2017-11-30 00:57:22 -08:00
README
README.git

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/.