Обсуждение: Problem with Transaction

Hi, I'm trying to make a PL/pgSQL function to update
or insert if the row is not present. I tested the
function and it works fine, but when I call it through
JDBC, it executes, but the row is not inserted or
updated. This is my JDBC code.

        try{

connection.setTransactionIsolation(Connection.TRANSACTION_SERIALIZABLE);
            connection.setAutoCommit(false);
            statement = connection.prepareCall("{? =
call save(?,?,?)}");
            statement.registerOutParameter(1,
Types.INTEGER);
            statement.setObject(2, null);
            statement.setObject(3, null);
            statement.setObject(4, "1234");
            statement.executeUpdate();
            id = (Integer)statement.getObject(1);
            connection.commit();
        } catch(SQLException e){
            try{
                connection.rollback();
            } catch(SQLException e2){
                e2.printStackTrace();
            }
            e.printStackTrace();
        }

I am getting the following exception:
org.postgresql.util.PSQLException: ERROR: function
save("unknown", "unknown", character varying) does not
exist
    at
org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:1512)
    at
org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1297)
    at
org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:188)
    at
org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:430)
    at
org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:346)
    at
org.postgresql.jdbc2.AbstractJdbc2Statement.executeUpdate(AbstractJdbc2Statement.java:297)
    ...



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On Wednesday 08 March 2006 11:59, Eduardo Muñoz wrote:
>             statement.setObject(2, null);
>             statement.setObject(3, null);

You need to use setNull( 2, Types.WHATEVER ).

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