Re: Index-only scan is slower than Index scan.

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Konstantin Knizhnik <k(dot)knizhnik(at)postgrespro(dot)ru>
Cc: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Index-only scan is slower than Index scan.
Date: 2019-03-03 21:58:17
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Konstantin Knizhnik <k(dot)knizhnik(at)postgrespro(dot)ru> writes:
> I have replaced loop extracting attributes using index_getattr() in
> StoreIndexTuple with invocation of index_deform_tuple()
> and reimplemented last one in the same way as heap_deform_tuple (extract
> all attributes in one path).

Pushed with minor cosmetic fixes.

regards, tom lane

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