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Alvaro Herrera 8aa75e1384 Refrain from duplicating data in reorderbuffers
If a walsender exits leaving data in reorderbuffers, the next walsender
that tries to decode the same transaction would append its decoded data
in the same spill files without truncating it first, which effectively
duplicate the data.  Avoid that by removing any leftover reorderbuffer
spill files when a walsender starts.

Backpatch to 9.4; this bug has been there from the very beginning of
logical decoding.

Author: Craig Ringer, revised by me
Reviewed by: Álvaro Herrera, Petr Jelínek, Masahiko Sawada
2018-03-06 18:34:29 -03:00
config Extend configure's __int128 test to check for a known gcc bug. 2018-01-18 11:09:44 -05:00
contrib Temporarily instrument postgres_fdw test to look for statistics changes. 2018-03-05 16:20:06 -05:00
doc Tests for Kerberos/GSSAPI authentication 2018-03-06 10:57:36 -05:00
src Refrain from duplicating data in reorderbuffers 2018-03-06 18:34:29 -03:00
.dir-locals.el
.gitattributes
.gitignore Add lcov --initial 2017-09-29 08:54:34 -04:00
aclocal.m4
configure Tests for Kerberos/GSSAPI authentication 2018-03-06 10:57:36 -05:00
configure.in Tests for Kerberos/GSSAPI authentication 2018-03-06 10:57:36 -05:00
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/.