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Re: EXPLAIN BUFFERS - Mailing list pgsql-hackers

From Tom Lane
Subject Re: EXPLAIN BUFFERS
Date
Msg-id 10660.1260760515@sss.pgh.pa.us
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In response to Re: EXPLAIN BUFFERS  (Takahiro Itagaki <itagaki.takahiro@oss.ntt.co.jp>)
Responses Re: EXPLAIN BUFFERS  (Takahiro Itagaki <itagaki.takahiro@oss.ntt.co.jp>)
Re: EXPLAIN BUFFERS  (Robert Haas <robertmhaas@gmail.com>)
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Takahiro Itagaki <itagaki.takahiro@oss.ntt.co.jp> writes:
> Should I add countBufferUsage boolean arguments to all places
> doInstrument booleans are currently used? This requires several
> minor modifications of codes in many places.

Pushing extra arguments around would create overhead of its own ...
overhead that would be paid even when not using EXPLAIN at all.
        regards, tom lane

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