From: thomas.hallgren at home.se (Thomas Hallgren)
Date: Mon, 17 Oct 2005 20:58:53 +0200
Subject: [Pljava-dev] Passing custom java object to PL/Java
In-Reply-To: <1B4E0340-B59B-4152-B6AF-3862B5EF1845@rakeshv.org>
References: <1B4E0340-B59B-4152-B6AF-3862B5EF1845@rakeshv.org>
Message-ID: <4353F46D.2050603@home.se>

rakesh at rakeshv.org wrote:
> Is it possible to pass custom Java objects to PL/Java (the reverse of 
> passing from PL/Java to client programs? The error I get seems to 
> indicate that the custom data type I defined in the deployment 
> descriptor is not recognised when I do the setType on PGobject.
I doubt that the error you get is related to PL/Java. The stack trace 
indicates a problem with setObject in the client, not the server. But 
even if you do get around sending a UDT to PL/Java, it will not be 
accepted at present. The PL/Java type-system needs some more work.

Regards,
Thomas Hallgren

>
> I tried to do so as shown in the following files:
>
> http://www.rakeshv.org/tmp/test.java - wrapper program that does the 
> JDBC invocation from client code.
>
> http://www.rakeshv.org/tmp/RecurrenceTest.java - The PL/Java utility 
> class
>
> http://www.rakeshv.org/tmp/Recurrence.java - The custom data that is 
> passed from client to server.
>
> http://www.rakeshv.org/tmp/DeploymentDescriptor.ddr - The deployment 
> descriptor
>
> The following is the stack trace from the program:
>
> org.postgresql.util.PSQLException: Unknown type testType.
>         at 
> org.postgresql.jdbc2.AbstractJdbc2Statement.setPGobject(AbstractJdbc2Statement.java:1480) 
>
>         at 
> org.postgresql.jdbc2.AbstractJdbc2Statement.setObject(AbstractJdbc2Statement.java:1616) 
>
>         at 
> org.postgresql.jdbc3.AbstractJdbc3Statement.setObject(AbstractJdbc3Statement.java:1436) 
>
>         at 
> org.postgresql.jdbc2.AbstractJdbc2Statement.setObject(AbstractJdbc2Statement.java:1627) 
>
>         at test.main(test.java:26)
>
> Rakesh
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