The commit that started this is
commit 59a85323d9d5927a852939fa93f09d142c72c91a
Author: Peter Eisentraut <pete...@gmx.net>
Date: Mon Jul 9 13:58:08 2018
Add UtilityReturnsTuples() support for CALL
This ensures that prepared statements for CALL can return tuples.
The change whether a statement returns tuples or not causes some
different paths being taking deep in the portal code that set snapshot
in different ways. I haven't fully understood them yet. I plan to post
more tomorrow.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
