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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Wells Oliver <wells.oliver@gmail.com>
cc: pgsql-admin <pgsql-admin@postgresql.org>
Subject: Re: Gauging progress of COPY?
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Comments: In-reply-to Wells Oliver <wells.oliver@gmail.com>
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Wells Oliver <wells.oliver@gmail.com> writes:
> Is there some clever way to gauge the progress of a COPY command? i.e. you
> know it has 10m rows, but you can't SELECT COUNT(*).

If it's a COPY IN (to a table) you could monitor growth of the
physical size of the table, cf pg_relation_size().  This isn't
terribly satisfactory if you're not clear on how much space each
row will take, but it's something.

			regards, tom lane