From: filip.hrbek at plz.comstar.cz (Filip Hrbek)
Date: Mon, 3 Oct 2005 13:58:32 +0200
Subject: [Pljava-dev] ResultSetProvider/ResultSetHandle problem
Message-ID: <004801c5c811$c7693fd0$1e03a8c0@fhrbek>

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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