| From: | Amit Langote <amitlangote09(at)gmail(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
| Cc: | Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>, 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 03:36:55 |
| Message-ID: | CA+HiwqEouYTK+Jgo9x95=pSkrftWMF_Z6r6RyqBsKByz2iRkNQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Feb 23, 2018 at 11:32 AM, Alvaro Herrera
<alvherre(at)alvh(dot)no-ip(dot)org> wrote:
> 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.
BTW, not sure if you'd noticed but I had emailed about setting
relispartition on index partitions after you committed the first
indexes patch.
https://www.postgresql.org/message-id/12085bc4-0bc6-0f3a-4c43-57fe0681772b@lab.ntt.co.jp
Thanks,
Amit
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