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Mirror of the official PostgreSQL GIT repository. Note that this is just a *mirror* - we don't work with pull requests on github. To contribute, please see https://wiki.postgresql.org/wiki/Submitting_a_Patch
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Michael Paquier 76bba03312 Add tests for logging of temporary file removal and statement 
Temporary file usage is sometimes attributed to the wrong query in the logs
output.  One identified reason is that unnamed portal cleanup (and
consequently temp file logging) happens during the next BIND message as
a, after debug_query_string has already been updated to the new query.

Dropping an unnamed portal in the next BIND message is a rather old
protocol behavior (fe19e56c57, also mentioned in the docs).
log_temp_files is a bit newer than that, as of be8a431881.

This commit adds tests to track which query is displayed next to the
temporary file(s) removed when a portal is dropped, and in some cases if
a query is displayed or not.  We have not concluded how to improve the
situation yet; these tests will at least help in checking what changes
in the logs depending on the proposal discussed and how it affects the
scenarios tracked by this new test.

Author: Sami Imseih <samimseih@gmail.com>
Author: Frédéric Yhuel <frederic.yhuel@dalibo.com>
Reviewed-by: Mircea Cadariu <cadariu.mircea@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/3d07ee43-8855-42db-97e0-bad5db82d972@dalibo.com
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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/.