From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
---|---|
To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
Cc: | "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp> |
Subject: | Re: [COMMITTERS] pgsql: Implement table partitioning. |
Date: | 2016-12-21 15:31:18 |
Message-ID: | CA+TgmoaQLDUAdjBNe1hfSCj5SW+8HnsnDwTbGZUkSmHygG-V9w@mail.gmail.com |
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On Tue, Dec 20, 2016 at 12:22 PM, Alvaro Herrera
<alvherre(at)2ndquadrant(dot)com> wrote:
> Robert Haas wrote:
>> Implement table partitioning.
>
> I thought it was odd to use rd_rel->reloftype as a boolean in
> ATExecAttachPartition, but apparently we do it elsewhere too, so let's
> leave that complaint for another day.
Ugh. I agree - that's bad style.
> What I also found off in the same function is that we use
> SearchSysCacheCopyAttName() on each attribute and then don't free the
> result, and don't ever use the returned tuple either. A simple fix, I
> thought, just remove the "Copy" and add a ReleaseSysCache().
Or use SearchSysCachExists.
> But then I
> noticed this whole thing is rather strange -- why not pass a boolean
> flag down to CreateInheritance() and from there to
> MergeAttributesIntoExisting() to implement the check? That seems less
> duplicative.
Hmm, that would be another way to do it.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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