From: | Bernard <bht237(at)gmail(dot)com> |
---|---|
To: | pgsql-jdbc(at)postgresql(dot)org |
Subject: | Cannot pass null in Parameter in Query for ISNULL |
Date: | 2012-04-22 04:50:12 |
Message-ID: | of37p7pknemd5rl4vmr0rnfm772h81pfo9@4ax.com |
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Lists: | pgsql-jdbc |
Hi,
We have a driver issue with postgresl that doesn't exist with other
databases.
It happens with Java JPA implementations when a very simple query is
executed like:
SELECT a FROM Author a WHERE :lastName IS NULL OR LOWER(a.lastName) =
:lastName
See
http://en.wikipedia.org/wiki/Java_Persistence_Query_Language#Examples
:lastName is a parameter, and the null check is on the parameter so
there shouldn't be a problem with this at all.
Maciek has suggested a solution for this driver issue at
http://archives.postgresql.org/pgsql-jdbc/2011-12/msg00017.php
I wonder when this could be resolved? Apparently there is a related
back-end issue.
I have a few JUnit test for this so please ask.
Kind Regards,
Bernard
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