You guys are brilliant! Regards,
Gus On Sat, Aug 28, 2021 at 6:26 PM Tom Lane <t...@sss.pgh.pa.us> wrote: > Here is a second patch, quite independent of the first one, that > gets rid of some other repetitive queries. On the regression database, > the number of queries needed to do "pg_dump -s regression" drops from > 3260 to 2589, and on my machine it takes 1.8 sec instead of 2.1 sec. > > What's attacked here is a fairly silly decision in getPolicies() > to query pg_policy once per table, when we could do so just once. > It might have been okay if we skipped the per-table query for > tables that lack policies, but it's not clear to me that we can > know that without looking into pg_policy. In any case I doubt > this is ever going to be less efficient than the original coding. > > regards, tom lane > >