stateful UDF?

From: andrew <andrew(dot)ylzhou(at)gmail(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: stateful UDF?
Date: 2006-02-14 22:47:49
Message-ID: 29d3b0b90602141447m6b3cc3a9t2e36efd9f84a87e7@mail.gmail.com
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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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