Re: Bug? Query plans / EXPLAIN using gigabytes of memory - Mailing list pgsql-general

From Tom Lane
Subject Re: Bug? Query plans / EXPLAIN using gigabytes of memory
Date
Msg-id 1988.1335753954@sss.pgh.pa.us
Whole thread Raw
In response to Re: Bug? Query plans / EXPLAIN using gigabytes of memory  (Toby Corkindale <toby.corkindale@strategicdata.com.au>)
List pgsql-general
Toby Corkindale <toby.corkindale@strategicdata.com.au> writes:
> I'm still curious about why I can do a SELECT * FROM complexview without
> using much memory, but an UPDATE foo FROM complexview causes all the
> memory to get exhausted?

The former only requires the complexview to get planned once.

            regards, tom lane

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