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Not many buildfarm members run this test, since it's gated behind PG_TEST_EXTRA=xid_wraparound, but of those that do, the slower ones not infrequently fail. The reason seems to be that the test expects an INSERT command to either succeed or fail, but there's a window where it can succeed while issuing a warning about impending wraparound. poll_query_until treats nonempty stderr as a failure, so it loops an extra time until the INSERT succeeds with no warning. There seems no reason to treat this behavior as wrong, so adjust the test to accept it. Reported-by: Alexander Lakhin <exclusion@gmail.com> Diagnosed-by: Alexander Lakhin <exclusion@gmail.com> Author: Tom Lane <tgl@sss.pgh.pa.us> Discussion: https://postgr.es/m/7a68bee2-91bd-481d-be44-160e6beebc83@gmail.com Backpatch-through: 17
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/.