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A bgworker can spawn parallel workers of its own when executing queries,
and if the worker uses BGWORKER_BYPASS_ALLOWCONN while the database it
is connected to does not allow connections, a parallel worker would fail
to startup. In the case of this module, the step checking for the
presence of the schema to create was spawning a worker, failing the last
test introduced by 991bb0f965.
This issue could be reproduced with debug_parallel_query = 'regress',
for example.
Per buildfarm member crake.
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/.