Re: JDBC driver bug? - Mailing list pgsql-jdbc

From Tom Lane
Subject Re: JDBC driver bug?
Date
Msg-id 19018.1173110704@sss.pgh.pa.us
Whole thread Raw
In response to Re: JDBC driver bug?  (Heikki Linnakangas <heikki@enterprisedb.com>)
Responses Re: JDBC driver bug?  (Heikki Linnakangas <heikki@enterprisedb.com>)
List pgsql-jdbc
Heikki Linnakangas <heikki@enterprisedb.com> writes:
> YourSoft wrote:
>> When you call a pgsql stored procedure (with PreparedStatement), that
>> calls an other stored procedure, and you recall the stored procedure
>> after dropping and recreating second stored procedure, the calling will
>> throw an exception with:

> That's a known issue. The first time you call the procedure, it's
> compiled and cached. The second time you call it, the cached plan is no
> longer valid because the function it depends on has been dropped and
> recreated.

> The good news is that Tom Lane has added support for plan invalidation
> for 8.3 branch, so this should be fixed in the next major release.

This behavior will not change in 8.3, because I have no intention of
including function invalidation in the patch.  The correct answer is
"don't do that --- use CREATE OR REPLACE FUNCTION instead".

            regards, tom lane

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