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stateful UDF?

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To: pgsql-general@xxxxxxxxxxxxxx
Subject: stateful UDF?
From: andrew <andrew.ylzhou@xxxxxxxxx>
Date: Tue, 14 Feb 2006 23:47:49 +0100

Hi

Can I implement a stateful UDF in C? i.e. storing the state of the
previous run of the function and access them in the succeeding runs.
Is it supported? How do I implement it? Thanks.

--
andrew

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