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3e0d80fd8d
Commit 0d8c9c1210 allowed BASE_BACKUP to
acquire a ResourceOwner without a transaction so that the backup
manifest functionality could use a BufFile, but it overlooked the fact
that when a walsender is used with replication=database, it might have
a transaction in progress, because in that mode, SQL and replication
commands can be mixed. Try to fix things up so that the two cleanup
mechanisms don't conflict.
Per buildfarm member serinus, which triggered the problem when
CREATE_REPLICATION_SLOT failed from inside a transaction. It passed
on the subsequent run, so evidently the failure doesn't happen every
time.
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/.