Re: WIP: Aggregation push-down
Antonin Houska <ah@cybertec.at>
From: Antonin Houska <ah@cybertec.at>
To: legrand legrand <legrand_legrand@hotmail.com>
Cc: pgsql-hackers@postgresql.org
Date: 2020-02-27T08:51:41Z
Lists: pgsql-hackers
legrand legrand <legrand_legrand@hotmail.com> wrote: > Antonin Houska-2 wrote > > Right now I recall two problems: 1) is the way I currently store > > RelOptInfo for the grouped relations correct?, 2) how should we handle > > types for which logical equality does not imply physical (byte-wise) > > equality? > > > > Fortunately it seems now that I'm not the only one who cares about 2), so > > this > > problem might be resolved soon: > > > > https://www.postgresql.org/message-id/CAH2-Wzn3Ee49Gmxb7V1VJ3-AC8fWn-Fr8pfWQebHe8rYRxt5OQ%40mail.gmail.com > > > > But 1) still remains. > > > > Hello > would "pgsql: Add equalimage B-Tree support functions." > https://www.postgresql.org/message-id/E1j72NY-0002gi-2B@gemulon.postgresql.org Yes, it seems so. I'll adapt the patch soon, hopefully next week. Thanks for reminder. -- Antonin Houska Web: https://www.cybertec-postgresql.com
Commits
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Move estimate_hashagg_tablesize to selfuncs.c, and widen result to double.
- 0c7d53793079 12.0 landed
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Remove unnecessairly duplicated gram.y productions
- b9a3ef55b253 10.0 cited