Re: Tid scan increments value of pg_stat_all_tables.seq_scan. (butnot seq_tup_read)

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От Kasahara Tatsuhito
Тема Re: Tid scan increments value of pg_stat_all_tables.seq_scan. (butnot seq_tup_read)
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Msg-id CAP0=ZVJRAwbn3UdqGPtcONU1xDeeES8KR2kG1JsznSHsFKK-Sg@mail.gmail.com
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Ответ на Re: Tid scan increments value of pg_stat_all_tables.seq_scan. (butnot seq_tup_read)  (Fujii Masao <masao.fujii@oss.nttdata.com>)
Ответы Re: Tid scan increments value of pg_stat_all_tables.seq_scan. (butnot seq_tup_read)  (Fujii Masao <masao.fujii@oss.nttdata.com>)
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Hi,

On Fri, Feb 7, 2020 at 5:02 PM Fujii Masao <masao.fujii@oss.nttdata.com> wrote:
> BTW, commit 147e3722f7 causing the issue changed currtid_byreloid()
> and currtid_byrelname() so that they also call table_beginscan().
> I'm not sure what those functions are, but probably we should fix them
> so that table_beginscan_tid() is called instead. Thought?
+1, sorry, I overlooked it.

Both functions are used to check whether a valid tid or not with a
relation name (or oid),
and both perform a tid scan internally.
So, these functions should call table_beginscan_tid().

Perhaps unnecessary, I will attach a patch.

Best regards,
-- 
Tatsuhito Kasahara
kasahara.tatsuhito _at_ gmail.com

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