Re: plpgsql refcursor

Franco,

There is no Oth element, they start at 1

Dave
On Mon, 2003-12-15 at 15:06, Franco Bruno Borghesi wrote:
> Hi all.
>
> I'm having problems obtaining resultsets from a pgsql function, I've
> read the jdbc documentation, and read similar messages in the lists,
> but I still cannot make it work. Perhaps someone can see what's wrong
> with my code, because I can't find it :(
>
> my plgpsql function is:
> CREATE OR REPLACE FUNCTION usuarios_load(INTEGER) RETURNS REFCURSOR AS
> '
> DECLARE
>    result REFCURSOR;
> BEGIN
>    OPEN result FOR SELECT * FROM usuarios WHERE id=$1;
>    RAISE NOTICE ''usuarios_load() -> %'', result;
>    RETURN result;
> END;
> ' LANGUAGE 'plpgsql';
>
> my java code is:
> conn.setAutoCommit(false);
>
> cstmt=conn.prepareCall("{ ? = call usuarios_load( ? ) }");
> cstmt.registerOutParameter(1, Types.OTHER);
> cstmt.setInt(2, 33);
> cstmt.execute();
> rs=(ResultSet)stmt.getObject(1);
> while (rs.next()) {
> System.out.println(rs.getString(0)); << throws exception
> }
>
> the logs says:
> 2003-12-15 16:54:35 LOG:  statement: set datestyle to 'ISO'; select
> version(), case when pg_encoding_to_char(1) = 'SQL_ASCII' then
> 'UNKNOWN' else getdatabaseencoding() end;
> 2003-12-15 16:54:35 LOG:  statement: set client_encoding = 'UNICODE'
> 2003-12-15 16:54:35 LOG:  connection received: host=192.168.1.162
> port=49948
> 2003-12-15 16:54:35 LOG:  connection authorized: user=sapiens
> database=franco
> 2003-12-15 16:54:35 LOG:  statement: begin;
> 2003-12-15 16:54:35 LOG:  statement: select * from  usuarios_load( 33
> )  as result;
> 2003-12-15 16:54:35 LOG:  statement:  SELECT * FROM usuarios WHERE id=
> $1
> CONTEXT:  PL/pgSQL function "usuarios_load" line 5 at open
> 2003-12-15 16:54:35 NOTICE:  usuarios_load() -> <unnamed portal 1>
> 2003-12-15 16:54:35 LOG:  statement: SELECT   $1
> CONTEXT:  PL/pgSQL function "usuarios_load" line 14 at return
> 2003-12-15 16:54:35 LOG:  statement: SELECT typname FROM
> pg_catalog.pg_type WHERE oid = 1790
> 2003-12-15 16:54:35 LOG:  statement: FETCH ALL IN "<unnamed portal
> 1>"; << this is where exception is thrown
> 2003-12-15 16:54:35 LOG:  statement: commit;begin;
> 2003-12-15 16:54:35 LOG:  unexpected EOF on client connection
>
>
> thanks in advance!
>
>