| From: | Ranier Vilela <ranier(dot)vf(at)gmail(dot)com> |
|---|---|
| To: | Ronan Dunklau <ronan(dot)dunklau(at)aiven(dot)io> |
| Cc: | David Rowley <dgrowleyml(at)gmail(dot)com>, John Naylor <john(dot)naylor(at)enterprisedb(dot)com>, James Coleman <jtc331(at)gmail(dot)com>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Dilip Kumar <dilipbalaut(at)gmail(dot)com> |
| Subject: | Re: [PATCH] Use optimized single-datum tuplesort in ExecSort |
| Date: | 2021-07-15 12:38:26 |
| Message-ID: | CAEudQAq3-uVrNPS2yKJX7hkCYboY_BmT0NT6xkYmnEzr2asepQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
Em qui., 15 de jul. de 2021 às 09:27, Ronan Dunklau <ronan(dot)dunklau(at)aiven(dot)io>
escreveu:
> Le jeudi 15 juillet 2021, 14:09:26 CEST Ranier Vilela a écrit :
> > Is there a special reason to not share v7b tests and results?
> >
>
> The v7b patch is wrong, as it loses the type of tuplesort being used
I don't see 'node->datumSort' being anywhere else yet.
> and as
> such always tries to fetch results using tuplesort_gettupleslot after the
> first
> tuple is fetched.
Is that why it is faster than v6?
regards,
Ranier Vilela
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