Re: Why does the JDBC driver not support prepareCall?

From: The Hermit Hacker <scrappy(at)hub(dot)org>
To: Joel Bernstein <joel(at)basefive(dot)com>
Cc: mg <marcel(dot)gsteiger(at)milprog(dot)ch>, <pgsql-general(at)postgresql(dot)org>
Subject: Re: Why does the JDBC driver not support prepareCall?
Date: 2001-01-22 21:21:23
Message-ID: Pine.BSF.4.31.0101221721160.644-100000@thelab.hub.org
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message resent to pgsql-jdbc(at)postgresql(dot)org

On Fri, 19 Jan 2001, Joel Bernstein wrote:

>
> I have not tried prepareCall with postgreSQL but it makes sense
> that it would not be implemented.
>
> prepareCall is a JDBC method used to call stored procedures in a database.
>
> postgreSQL implements stored procedures as function calls.
>
> So up to now the prepareCall method has not been needed because to call
> a function you just would use a Statement or PreparedStatement like this:
> -----------------------------------
> PreparedStatement pstmt = null;
>
>
> /*
> * deleteUser() is the function call.
> */
>
> String sql = "select deleteUser()";
>
> try
> {
> pstmt = con.prepareStatment(sql);
> pstmt.executeQuery();
> }
> catch(Exception e)
> {
>
> }
> finally
> {
>
> }
>
> ---------------------------------------
>
> I have heard talk of an EXECUTE commad that was added for function
> calls but I'm not sure is works like the EXEC for stored procedures
> does in MS SQLserver and other databases. If it does then prepareCall
> could be used.
>
> Anybody have comments on EXECUTE.
>
> Joel
>
>

Marc G. Fournier ICQ#7615664 IRC Nick: Scrappy
Systems Administrator @ hub.org
primary: scrappy(at)hub(dot)org secondary: scrappy(at){freebsd|postgresql}.org

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