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Re: EXPLAIN and HashAggregate - Mailing list pgsql-hackers

From Tom Lane
Subject Re: EXPLAIN and HashAggregate
Date
Msg-id 25623.1141501796@sss.pgh.pa.us
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In response to EXPLAIN and HashAggregate  (Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>)
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Stefan Kaltenbrunner <stefan@kaltenbrunner.cc> writes:
> it looks like that postgresql is actually allocating the memory for the
>  hashtable of the HashAggregate which is a bit unexpected for a plain
> EXPLAIN.

Not really.  EXPLAIN runs plan setup (ExecutorStart).
        regards, tom lane

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