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Commit 898a792eb8283e31efc0b6fcbc03bbcd5f7df667 fixed the connection leak issue, but it was an unreliable way of bugfix. This bugfix was assuming that walrcv_command() subroutine cannot throw an error, but it's untenable assumption. For example, if it will be changed so that an error is thrown, connection leak issue will happen again. This patch ensures that the connection is closed even when walrcv_command() subroutine throws an error. Patch by me, reviewed by Petr Jelinek and Michael Paquier Discussion: https://www.postgresql.org/message-id/2058.1487704345@sss.pgh.pa.us
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: http://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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.