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Fujii Masao 85c6961128 postgres_fdw: Refactor transaction rollback code to avoid code duplication. 
In postgres_fdw, pgfdw_xact_callback() and pgfdw_subxact_callback()
callback functions do almost the same thing to rollback remote toplevel-
and sub-transaction. But previously their such rollback logics were
implemented separately in each function and in different way. Which
could decrease the readability and maintainability of the code.

To fix the issue, this commit creates the common function to rollback
remote transactions, and makes those callback functions use it. Which
allows us to avoid unnecessary code duplication.

Author: Fujii Masao
Reviewed-by: Zhihong Yu, Bharath Rupireddy
Discussion: https://postgr.es/m/62fbb63a-d46c-fb47-a56d-f6be1909aa44@oss.nttdata.com
 		2021-09-22 23:47:36 +09:00
config Remove configure-time thread safety checking (thread_test.c). 2021-07-24 12:16:39 -04:00
contrib postgres_fdw: Refactor transaction rollback code to avoid code duplication. 2021-09-22 23:47:36 +09:00
doc Introduce GUC shared_memory_size_in_huge_pages 2021-09-21 10:31:58 +09:00
src Make use of PG_INT64_MAX/PG_INT64_MIN 2021-09-22 07:31:05 +02:00
.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 historic commit to git-blame-ignore-revs file. 2021-08-31 12:57:52 -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 Remove configure-time probe for DocBook DTD. 2020-11-30 15:24:13 -05:00
configure Remove configure-time thread safety checking (thread_test.c). 2021-07-24 12:16:39 -04:00
configure.ac Remove configure-time thread safety checking (thread_test.c). 2021-07-24 12:16:39 -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/.