Re: generic plans and "initial" pruning

From: Amit Langote <amitlangote09(at)gmail(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, "David Rowley *EXTERN*" <dgrowleyml(at)gmail(dot)com>
Subject: Re: generic plans and "initial" pruning
Date: 2022-03-28 07:28:46
Message-ID: CA+HiwqERQkaKkE8TwNmFP2SDBykttAqBkwh_Niif9FqST7F4Kg@mail.gmail.com
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On Mon, Mar 28, 2022 at 4:17 PM Amit Langote <amitlangote09(at)gmail(dot)com> wrote:
> Other than the changes mentioned above, the updated patch now contains
> a bit more commentary than earlier versions, mostly around
> AcquireExecutorLocks()'s new way of determining the set of relations
> to lock and the significantly redesigned working of the "initial"
> execution pruning.

Forgot to rebase over the latest HEAD, so here's v7. Also fixed that
_out and _read functions for PlanInitPruningOutput were using an
obsolete node label.

--
Amit Langote
EDB: http://www.enterprisedb.com

Attachment Content-Type Size
v7-0002-Add-Merge-Append.partitioned_rels.patch application/octet-stream 17.4 KB
v7-0003-Add-a-plan_tree_walker.patch application/octet-stream 3.9 KB
v7-0001-Some-refactoring-of-runtime-pruning-code.patch application/octet-stream 26.5 KB
v7-0004-Optimize-AcquireExecutorLocks-to-skip-pruned-part.patch application/octet-stream 94.2 KB

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