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Tom Lane 93909599cd libpq: drop pending pipelined commands in pqDropConnection(). 
The original coding did this in pqDropServerData(), which seems
fairly backwards.  Pending commands are more like already-queued
output data, which is dropped in pqDropConnection().  Moving the
operation means that we clear the command queue immediately upon
detecting connection drop, which improves the sanity of subsequent
behavior.  In particular this eliminates duplicated error message
text as a consequence of code added in b15f25446, which supposed
that a nonempty command queue must mean the prior operation is
still active.

There might be an argument for backpatching this to v14; but as with
b15f25446, I'm unsure about interactions with 618c16707.  For now,
given the lack of complaints about v14's behavior, leave it alone.

Per report from Peter Eisentraut.

Discussion: https://postgr.es/m/de57761c-b99b-3435-b0a6-474c72b1149a@enterprisedb.com
 		2022-05-12 13:08:31 -04:00
config Update config.guess and config.sub 2022-04-07 07:45:25 +02:00
contrib Mark a few 'bbsink' related functions / variables static. 2022-05-12 09:11:31 -07:00
doc relnotes: adjust several logical replication items and FK text 2022-05-12 10:11:55 -04:00
src libpq: drop pending pipelined commands in pqDropConnection(). 2022-05-12 13:08:31 -04:00
.cirrus.yml Make upgradecheck a no-op in MSVC's vcregress.pl 2022-04-02 12:06:11 +09:00
.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
.git-blame-ignore-revs Add a few recent and not so recent revs to git-blame-ignore-revs. 2022-03-19 12:37:28 -07:00
.gitattributes Remove trailing whitespace from *.sgml files. 2022-04-20 11:04:49 -04:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
COPYRIGHT Update copyright for 2022 2022-01-07 19:04:57 -05:00
GNUmakefile.in add missing tag from commit b8c4261e5e 2021-07-01 15:47:46 -04:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Dynamically find correct installation docs in Makefile. 2022-01-19 14:48:25 +01:00
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
aclocal.m4 Probe $PROVE not $PERL while checking for modules needed by TAP tests. 2021-11-22 12:54:52 -05:00
configure configure: don't probe for libldap_r if libldap is 2.5 or newer. 2022-05-10 18:42:02 -04:00
configure.ac configure: don't probe for libldap_r if libldap is 2.5 or newer. 2022-05-10 18:42:02 -04:00

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/.