Marc-Olaf Jaschke <m...@dshare.de> writes: > I can confirm that the patch fixes the issue (Bug #19030). The memory usage > remains within the expected range of work_mem. > This also applies to parallel hash joins. > The query also runs significantly faster. > I also tested cases with multiple left joins. > I have only observed this problem when there are many null values in the join > column.
Thanks for testing!
regards, tom lane
