On Thu, Feb 23, 2017 at 2:13 PM, Jeff Janes <jeff.ja...@gmail.com> wrote: > Is there a good solution to this? Could the new chunks be put in a > different memory context, and then destroy the old context and install the > new one at the end of ExecHashIncreaseNumBatches? I couldn't find a destroy > method for memory contexts, it looks like you just reset the parent instead. > But I don't think that would work here.
Are you aware of the fact that tuplesort.c got a second memory context for 9.6, entirely on performance grounds? -- Peter Geoghegan -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers