Re: Inputs Appreciated - Calling pgsql stored proc with user defined sql types from java using pgsql-jdbc

The cast should work but while you wait for someone to confirm/comment you
might just try using the setTypeMap(...) method of the Jdbc4Connection

Supplying minimal code showing the problem might help too...

David J.


Venkateswar Reddy Melachervu wrote
> ok. Thanks for the quick response Dave.
>
> This post provides a for achieving what my solution requires - passing
> user
> defined data types to stored
> procedures<https://groups.google.com/forum/#!topic/pgsql.interfaces.jdbc/Tj-LUrhFowQ>.
> I followed this post ( of course, adapted it to suit for jdbc41 pgsql
> driver). Per this to add the data type, the jdbc connection needs to be
> cast to pgconnection and this casting is resulting in a run time exception
> -  (java.lang.ClassCastException) java.lang.ClassCastException:
> org.postgresql.jdbc4.Jdbc4Connection cannot be cast to
> org.postgresql.PGConnection.
>
> This was not the case with pgsql8.3 with jdbc3/4 pgsql driver.
>
> Any pointer/inputs to resolve this are highly appreciated.
>
> V
>
>
> On Fri, Mar 28, 2014 at 10:52 AM, David Johnston <

> polobo@

> > wrote:
>
>> Venkateswar Reddy Melachervu wrote
>> > Hello All,
>> > Any inputs/pointers for the below are highly appreciated.
>> >
>> > Problem
>> > When trying to conn.registerOutParameter(2,
>> > Types.STRUCT,"type_customer_details_for_subscription") for a pgsql
>> stored
>> > proc with user defined type from java1.7 using jdbc41 pgsql driver to
>> > pgsql9.3 is resulting in error when type maps are used -
>> > SQLFeatureNotSupportedException: Method
>> >
>> org.postgresql.jdbc4.Jdbc4CallableStatement.registerOutParameter(int,int,String)
>> > is not yet implemented.
>> >
>> > Somehow I was under the impression that struct for sql is base type and
>> > pgsql jdbc driver can support it. But going by above exception message,
>> it
>> > it not. am I doing something wrong (have to create some struct pointers
>> > etc. before registering the type) or it is the way pgsql jdbc driver is
>> > built. Is there any way out  - any pointer?
>> >
>> > --
>> > Regards,
>> > Venkateswar Reddy Melachervu
>> > "...dare to dream, care to win..."
>> > www.linkedin.com/in/vmelachervu
>>
>> registerOutParameter(...) is not implemented - it doesn't matter what the
>> actual argument values are.
>>
>>  Sorry, no help on the solution.
>>
>> David J.
>>
>>
>>
>>
>>
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>>
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>>
>>
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>
>
>
> --
> Regards,
> Venkateswar Reddy Melachervu
> "...dare to dream, care to win..."
> www.linkedin.com/in/vmelachervu





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