From: thhal at mailblocks.com (Thomas Hallgren)
Date: Mon, 03 Oct 2005 15:02:04 +0200
Subject: [Pljava-dev] ResultSetProvider/ResultSetHandle problem
In-Reply-To: <004801c5c811$c7693fd0$1e03a8c0@fhrbek>
References: <004801c5c811$c7693fd0$1e03a8c0@fhrbek>
	<43412BCC.90707@mailblocks.com>
	<thhal-0T8QcBO3A8bQSvhqCufFArsfM39WZ6p@mailblocks.com>
Message-ID: <thhal-0T8QcBO/A8bQ1h7qRZA6YziDmFXm4uj@mailblocks.com>

Hi Filip,
I've seen this. When I looked more deeply I concluded that it indeed was 
a PostgreSQL limitation. I guess I now have to revise that :-)
So sure, add it to the bug list.

Regards,
Thomas Hallgren

Filip Hrbek wrote:

> I have a function returning set of "record", i.e. there is no 
> information about the target structure to return until it is actually 
> called.
> It works, but if I call such a function several times with different 
> target structures within one session, I got one of two following errors:
>  
> a)
> org.postgresql.pljava.internal.ServerException: query-specified return 
> row and actual function return row do not match
>         at org.postgresql.pljava.internal.Portal._fetch(Native Method)
>         at org.postgresql.pljava.internal.Portal.fetch(Portal.java:79)
>         at 
> org.postgresql.pljava.jdbc.SPIResultSet.getTupleTable(SPIResultSet.java:135)
>         at 
> org.postgresql.pljava.jdbc.SPIResultSet.peekNext(SPIResultSet.java:157)
>         at 
> org.postgresql.pljava.jdbc.SPIResultSet.next(SPIResultSet.java:80)
>         at 
> org.postgresql.pljava.internal.ResultSetPicker.assignRowValues(ResultSetPicker.java:31)
> <2005-10-03 13:51:16 CEST 25858>ERROR:  query-specified return row and 
> actual function return row do not match
> b)
> org.postgresql.pljava.internal.ServerException: 
> java.lang.ArrayIndexOutOfBoundsException: 2
>         at org.postgresql.pljava.internal.Portal._fetch(Native Method)
>         at org.postgresql.pljava.internal.Portal.fetch(Portal.java:79)
>         at 
> org.postgresql.pljava.jdbc.SPIResultSet.getTupleTable(SPIResultSet.java:135)
>         at 
> org.postgresql.pljava.jdbc.SPIResultSet.peekNext(SPIResultSet.java:157)
>         at 
> org.postgresql.pljava.jdbc.SPIResultSet.next(SPIResultSet.java:80)
>         at 
> org.postgresql.pljava.internal.ResultSetPicker.assignRowValues(ResultSetPicker.java:31)
> <2005-10-03 13:49:43 CEST 25652>ERROR:  
> java.lang.ArrayIndexOutOfBoundsException: 2
> It seems that something is cached, though it should be replaced by a 
> new version when called with different target structure.
>  
> Note: plpgsql functions are OK, it seems to be a problem of pljava, 
> not PostgreSQL.
>  
> Should I write it to the bug list?
>  
> Regards
>   Filip
>  
>
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