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0e28091d55
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Alvaro Herrera 0e28091d55
Call pqPipelineFlush from PQsendFlushRequest 
When PQsendFlushRequest() was added by commit 69cf1d5429, we argued
against adding a PQflush() call in it[1].  This is still the right
decision: if the user wants a flush to occur, they can just call that.
However, we failed to realize that the message bytes could still be
given to the kernel for transmitting when this can be made without
blocking.  That's what pqPipelineFlush() does, and it is done for every
single other message type sent by libpq, so do that.

(When the socket is in blocking mode this may indeed block, but that's
what all the other libpq message-sending routines do, too.)

[1] https://www.postgresql.org/message-id/202106252352.5ca4byasfun5%40alvherre.pgsql

Author: Jelte Fennema-Nio <postgres@jeltef.nl>
Discussion: https://postgr.es/m/CAGECzQTxZRevRWkKodE-SnJk1Yfm4eKT+8E4Cyq3MJ9YKTnNew@mail.gmail.com
2023-11-08 16:44:08 +01:00
config Log LLVM library version in configure output. 2023-10-22 14:24:04 +13:00
contrib Adjust the order of the prechecks in pgrowlocks() 2023-10-31 16:43:01 +13:00
doc Last-minute updates for release notes. 2023-11-06 13:26:33 -05:00
src Call pqPipelineFlush from PQsendFlushRequest 2023-11-08 16:44:08 +01:00
.cirrus.star ci: Prepare to make compute resources for CI configurable 2023-08-23 15:15:29 -07:00
.cirrus.tasks.yml ci: Make compute resources for CI configurable 2023-08-23 15:15:29 -07:00
.cirrus.yml ci: Make compute resources for CI configurable 2023-08-23 15:15:29 -07:00
.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
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.gitignore Add portlock directory to .gitignore 2022-11-26 07:47:01 -05:00
aclocal.m4 Probe $PROVE not $PERL while checking for modules needed by TAP tests. 2021-11-22 12:54:52 -05:00
configure Stamp 15.5. 2023-11-06 17:06:45 -05:00
configure.ac Stamp 15.5. 2023-11-06 17:06:45 -05:00
COPYRIGHT Update copyright for 2023 2023-01-02 15:00:37 -05:00
GNUmakefile.in Remove temporary portlock directory during make [dist]clean. 2022-11-26 10:30:46 -05:00
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

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/.