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Michael Paquier 47da198934 Improve error reporting of recovery test 027_stream_regress 
Previously, the 027_stream_regress test reported the full contents of
regression.diffs upon a test failure, when the standby and the primary
were still alive.  If a test fails quite badly, the amount of
information reported can be really high, bloating the reports in the
buildfarm, the CI, or even local runs.

In most cases, we have noticed that having all this information is not
necessary when attempting to identify the source of a problem in this
test.  This commit changes the situation by including the head and tail
of regression.diffs in the reports generated on failure rather than its
full contents, building upon b93f4e2f98 to optionally control the size
of the reports with the new environment variable
PG_TEST_FILE_READ_LINES.

This will perhaps require some more tuning, but the hope is to reduce
some of the buildfarm report bloat while making the information good
enough to deduce what is happening when something is going wrong, be it
in the buildfarm or some tests run in the CI, at least.

Suggested-by: Andres Freund <andres@anarazel.de>
Author: Nazir Bilal Yavuz <byavuz81@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/CAN55FZ1D6KXvjSs7YGsDeadqCxNF3UUhjRAfforzzP0k-cE=bA@mail.gmail.com
2025-12-06 14:41:29 +09:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Remove traces of support for Sun Studio compiler 2025-09-12 07:39:05 +02:00
contrib Use more palloc_object() and palloc_array() in contrib/ 2025-12-05 16:40:26 +09:00
doc Add PostgreSQL::Test::Cluster::read_head_tail() helper to PostgreSQL/Utils.pm 2025-12-06 14:27:53 +09:00
src Improve error reporting of recovery test 027_stream_regress 2025-12-06 14:41:29 +09:00
.cirrus.star ci: Simplify ci-os-only handling 2025-08-14 12:09:34 -04:00
.cirrus.tasks.yml headerscheck ccache support 2025-12-04 11:23:23 +01:00
.cirrus.yml ci: Per-repo configuration for manually trigger tasks 2025-08-14 11:54:03 -04:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.editorconfig Update .editorconfig and .gitattributes for postgresql.conf.sample. 2025-11-18 10:28:36 -06:00
.git-blame-ignore-revs Add commit 86b276a4a9 to .git-blame-ignore-revs. 2025-12-05 14:21:12 -06:00
.gitattributes Update .editorconfig and .gitattributes for postgresql.conf.sample. 2025-11-18 10:28:36 -06:00
.gitignore Update top-level .gitignore. 2022-12-04 15:23:00 -05:00
.mailmap Add a Git .mailmap file 2024-11-05 13:56:02 +01:00
aclocal.m4 autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
configure Fix spurious output in configure 2025-11-06 08:00:57 +01:00
configure.ac Fix spurious output in configure 2025-11-06 08:00:57 +01:00
COPYRIGHT Align organization wording in copyright statement 2025-05-16 11:20:07 -04:00
GNUmakefile.in Allow selecting the git revision to be packaged by "make dist". 2024-05-03 11:08:50 -04:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Remove AIX support 2024-02-28 15:17:23 +04:00
meson.build Add 'make check-tests' behavior to the meson based builds 2025-11-21 17:12:22 -05:00
meson_options.txt Add support for basic NUMA awareness 2025-04-07 23:08:17 +02:00
README.md Revise the style of a paragraph in README.md. 2024-03-21 10:16:41 -05:00

README.md

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.

Copyright and license information can be found in the file COPYRIGHT.

General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.

The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.