| From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
|---|---|
| To: | Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Subject: | Re: FOR EACH ROW triggers on partitioned tables |
| Date: | 2018-02-23 02:32:40 |
| Message-ID: | 20180223023240.wi5ywiormeqqxko7@alvherre.pgsql |
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| Lists: | pgsql-hackers |
Amit Langote wrote:
> On 2018/02/23 8:52, Alvaro Herrera wrote:
> > We could mitigate the performance loss to some extent by adding more to
> > RelationData. For example, a "is_partition" boolean would help: skip
> > searching pg_inherits for a relation that is not a partition.
>
> Unless I'm missing something, doesn't rd_rel->relispartition help?
Uh, wow, how have I missed that all this time! Yes, it probably does.
I'll rework this tomorrow ... and the already committed index patch too,
I think.
Thanks
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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