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Previously, if a base backup failed after it had started streaming files, pg_stat_progress_basebackup could continue to show a stale progress entry even though the backup was no longer running. This could be observed when the client kept the replication connection open after the error. It is normally not observable when using pg_basebackup, because the client disconnects after the error. The problem was that progress reporting was cleared only after successful completion. This commit moves the progress reporting cleanup into the progress sink's cleanup callback so that it is cleared after both successful and failed backups. Backpatch to v15. v14 has the same issue, but the fix does not apply cleanly because it lacks the base backup sink infrastructure. Since the bug does not affect the backup itself and is normally not observable when using pg_basebackup, skip the v14 backpatch. Author: Chao Li <lic@highgo.com> Reviewed-by: Fujii Masao <masao.fujii@gmail.com> Discussion: https://postgr.es/m/EA1A6CD2-EFA6-462B-9A02-03003555AB4A@gmail.com Backpatch-through: 15
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/.