Re: Calculate total_table_pages after set_base_rel_sizes()

From: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
To: Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>
Cc: Edmund Horner <ejrh00(at)gmail(dot)com>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Calculate total_table_pages after set_base_rel_sizes()
Date: 2018-10-12 22:35:55
Message-ID: CAKJS1f_VTcHAYRknBuK9guJqQBsQ+cgCbhgUfeDAQR5Za3NdNw@mail.gmail.com
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On 12 October 2018 at 23:35, Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp> wrote:
> On 2018/10/11 13:45, Amit Langote wrote:
>> On 2018/10/07 17:43, David Rowley wrote:
>>> Amit Langote has since posted a patch to delay the RangeTblEntry
>>> creation until after pruning. His patch happens to also move the
>>> total_table_pages calculation, but I believe this change should be
>>> made as an independent commit to anything else. I've kept it in the
>>> commitfest for that reason.
>>
>> Yeah, if this patch is a win independent of the other project of delaying
>> partition RTE creation, which seems to be true, I think we should go ahead
>> with applying this patch.
>
> Fwiw, I've incorporated David's patch in my own series, so that one of my
> patches no longer has the code movement hunks that are in his. I will
> post the new version of my patch series like that.

Thanks. I'll keep this open here anyway so the change can be
considered independently. I think counting pages of pruned partitions
is a bug that should be fixed. You can just drop that patch from your
set if this gets committed.

--
David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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