From: | Markus Schaber <schabi(at)logix-tt(dot)com> |
---|---|
To: | Jeff Hubbach <jeff(dot)hubbach(at)chha(dot)com> |
Cc: | pgsql-jdbc(at)postgresql(dot)org |
Subject: | Re: Possible regression: setNull() usage changed from 7.4 |
Date: | 2006-04-14 15:32:31 |
Message-ID: | 443FC08F.8020505@logix-tt.com |
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Thread: | |
Lists: | pgsql-jdbc |
Hi, Jeff,
Jeff Hubbach wrote:
> select count(*) from users where usernam = ? and
> (?::integer is null or userid != ?)
>
> stmt.setString(1,'blah');
> stmt.setNull(2,java.sql.Types.NULL);
> stmt.setNull(3,java.sql.Types.NULL);
>
> This code gives the server the type information it needs by doing an
> explicit cast. It seems to work, but was wondering if there are any
> problems you see with it (or if you have a better/cleaner way to go
> about it).
The correct way, IMHO, would be to use two different prepared
statements, one with the userid, and another one without.
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org
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