Re: Global shared meta cache - Mailing list pgsql-hackers

From Amit Langote
Subject Re: Global shared meta cache
Date
Msg-id 83893cb5-164a-68a5-081d-e0c27b6e52a6@lab.ntt.co.jp
Whole thread Raw
In response to Re: Global shared meta cache  (Robert Haas <robertmhaas@gmail.com>)
Responses RE: Global shared meta cache  ("Ideriha, Takeshi" <ideriha.takeshi@jp.fujitsu.com>)
List pgsql-hackers
On 2018/07/05 23:00, Robert Haas wrote:
> With respect to partitioning specifically, it seems like we might be
> able to come up with some way of planning that doesn't need a full
> relcache entry for every partition, particularly if there are no
> partition-local objects (indexes, triggers, etc.).
We won't know that there are no partition-local objects until we open them
though, right?  As you said, there might be a way to refactor things such
that just knowing that there are no partition-local objects becomes
cheaper than doing a full-fledged RelationBuildDesc.

Thanks,
Amit



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