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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Don Croata <el.croata@gmail.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Cursors and recursion
Date: Wed, 28 Dec 2005 10:48:25 -0500
Message-ID: <17343.1135784905@sss.pgh.pa.us> (raw)
In-Reply-To: <be9533860512280629m1c1163bm73fef37f17541423@mail.gmail.com>
References: <be9533860512280629m1c1163bm73fef37f17541423@mail.gmail.com>

Don Croata <el.croata@gmail.com> writes:
> It's a function who has a cursor and calls itself, but the problem raises
> after the first recursion, when PgSQL complains:

> ERROR:  cursor "cur" already in use

> Are the cursors kept globally? or cached like TEMP TABLE?

Cursor names are global within a particular session.

IIRC there is a syntax for opening a cursor without specifying a name,
in which case plpgsql will pick one that's not in use.  This is probably
what you want to use.

			regards, tom lane



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