|From:||Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>|
|To:||David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>|
|Cc:||Amit Langote <amitlangote09(at)gmail(dot)com>, "Imai, Yoshikazu" <imai(dot)yoshikazu(at)jp(dot)fujitsu(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>|
|Subject:||Re: speeding up planning with partitions|
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On 2019/01/11 11:07, Amit Langote wrote:
> On 2019/01/11 6:47, David Rowley wrote:
>> On Fri, 11 Jan 2019 at 06:56, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> wrote:
>>> Pushed 0001 with some minor tweaks, thanks.
>> Thanks for pushing. I had looked at 0001 last night and there wasn't
>> much to report, just:
>> v12 0001
>> 1. I see you've moved translate_col_privs() out of prepunion.c into
>> appendinfo.c. This required making it an external function, but it's
>> only use is in inherit.c, so would it not be better to put it there
>> and keep it static?
> Actually, I *was* a bit puzzled where to put it. I tend to agree with you
> now that it might be define it locally within inherit.c as it might not be
> needed elsewhere. Let's hear what Alvaro thinks. I'm attaching a patch
>> 2. The following two lines I think need to swap their order.
>> +#include "utils/rel.h"
>> +#include "utils/lsyscache.h"
> Oops, fixed.
>> Both are pretty minor details but thought I'd post them anyway.
> Thank you for reporting.
> Attached find the patch.
Looking around a bit more, I started thinking even build_child_join_sjinfo
doesn't belong in appendinfo.c (just to be clear, it was defined in
prepunion.c before this commit), so maybe we should move it to joinrels.c
and instead export adjust_child_relids that's required by it from
appendinfo.c. There's already adjust_child_relids_multilevel in
appendinfo.h, so having adjust_child_relids next to it isn't too bad. At
least not as bad as appendinfo.c exporting build_child_join_sjinfo for
joinrels.c to use.
I have updated the patch.
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