On Tue, Jun 12, 2018 at 3:54 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: > > Not sure about a good fix for this. It seems annoying to copy the > rel's whole partkey data structure into query-local storage, but > I'm not sure we have any choice. On the bright side, there might > be an opportunity to get rid of repeated runtime fmgr_info lookups > in cross-type comparison situations. >
We already do that while building part_scheme. So, if we are in planner, it's readily available through RelOptInfo. If we need it in the executor, we need to pass it down from RelOptInfo into one of the execution states. I haven't looked at the patch to exactly figure out which of these is true. -- Best Wishes, Ashutosh Bapat EnterpriseDB Corporation The Postgres Database Company
