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27ca0bce5f
When a query whose results were requested in single-row mode is the last in the queue by the time those results are being read, the single-row flag was not being reset, because we were returning early from pqPipelineProcessQueue. Move that stanza up so that the flag is always reset at the end of sending that query's results. Add a test for the situation. Backpatch to 14. Author: Denis Laxalde <denis.laxalde@dalibo.com> Discussion: https://postgr.es/m/01af18c5-dacc-a8c8-07ee-aecc7650c3e8@dalibo.com
Test extensions and libraries ============================= src/test/modules contains PostgreSQL extensions that are primarily or entirely intended for testing PostgreSQL and/or to serve as example code. The extensions here aren't intended to be installed in a production server and aren't suitable for "real work". Furthermore, while you can do "make install" and "make installcheck" in this directory or its children, it is NOT ADVISABLE to do so with a server containing valuable data. Some of these tests may have undesirable side-effects on roles or other global objects within the tested server. "make installcheck-world" at the top level does not recurse into this directory. Most extensions have their own pg_regress tests or isolationtester specs. Some are also used by tests elsewhere in the tree. If you're adding new hooks or other functionality exposed as C-level API this is where to add the tests for it.