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Fujii Masao 815d61fcd4 postgres_fdw: Report warning when timeout expires while getting query result. 
When aborting remote transaction or sending cancel request to a remote server,
postgres_fdw calls pgfdw_get_cleanup_result() to wait for the result of
transaction abort query or cancel request to arrive. It fails to get the result
if the timeout expires or a connection trouble happens.

Previously postgres_fdw reported no warning message even when the timeout
expired or a connection trouble happened in pgfdw_get_cleanup_result().
This could make the troubleshooting harder when such an event occurred.

This commit makes pgfdw_get_cleanup_result() tell its caller what trouble
(timeout or connection error) occurred, on failure, and also makes its caller
report the proper warning message based on that information.

Author: Fujii Masao
Reviewed-by: Bharath Rupireddy
Discussion: https://postgr.es/m/15aa988c-722e-ad3e-c936-4420c5b2bfea@oss.nttdata.com
 		2021-12-08 23:31:46 +09:00
config Pacify perlcritic. 2021-11-22 15:57:31 -05:00
contrib postgres_fdw: Report warning when timeout expires while getting query result. 2021-12-08 23:31:46 +09:00
doc Allow specifying column list for foreign key ON DELETE SET actions 2021-12-08 11:13:57 +01:00
src Allow specifying column list for foreign key ON DELETE SET actions 2021-12-08 11:13:57 +01:00
.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 another old commit to git-blame-ignore-revs. 2021-11-03 17:34:19 -07:00
.gitattributes gitattributes: Add new entry to silence whitespace error 2021-06-05 07:57:31 +02:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
COPYRIGHT Update copyright for 2021 2021-01-02 13:06:25 -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 Don't unset MAKEFLAGS in non-GNU Makefile. 2019-06-25 09:36:21 +12:00
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 Add configure probe for rl_variable_bind(). 2021-12-02 13:06:27 -05:00
configure.ac Add configure probe for rl_variable_bind(). 2021-12-02 13:06:27 -05:00

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/.