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Re: Explain Analyze returns faster than psql or JDBC calls. - Mailing list pgsql-performance

From Dave Cramer
Subject Re: Explain Analyze returns faster than psql or JDBC calls.
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Msg-id 491f66a50910090457j62f62af5o4c74fc707cd8785a@mail.gmail.com
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In response to Re: Explain Analyze returns faster than psql or JDBC calls.  (Tom Lane <tgl@sss.pgh.pa.us>)
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You should also keep in mind that JDBC uses prepared statements, so you have to explain analyze accordingly.

Dave

On Thu, Oct 8, 2009 at 5:18 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
G B <g.b.coder@gmail.com> writes:
> How can  explain-analyze return significantly much faster than other means?

If the returned data is large or takes a lot of work to convert to text,
this could happen, since EXPLAIN ANALYZE doesn't bother to format the
tuples for display.  How big are those bytea columns, on average?

                       regards, tom lane

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