Bug 177091 Can't access stored procedure defined in Oracle Package
1.setup an oracle connection 2.try to call a stored procedure defined in package
data/org.eclipse.birt.report.data.oda.jdbc/src/org/eclipse/birt/report/data/oda/jdbc/CallStatement.java
schemaList = new ArrayList( );
				
				schemaList.add( "" );
				columnNamePattern = "";
			}
			for ( int i = 0; i < schemaList.size( ); i++ )
			{
				java.sql.ResultSet rs = metaData.getProcedureColumns( cataLog,
						schemaList.get( i ).toString( ),
						procedureNamePattern,
						columnNamePattern );
				while ( rs.next( ) )
				{
					ParameterDefn p = new ParameterDefn( );
					p.setParamName( rs.getString( "COLUMN_NAME" ) );
					p.setParamInOutType( rs.getInt( "COLUMN_TYPE" ) );
					p.setParamType( rs.getInt( "DATA_TYPE" ) );
					p.setParamTypeName( rs.getString( "TYPE_NAME" ) );
					p.setPrecision( rs.getInt( "PRECISION" ) );
					p.setScale( rs.getInt( "SCALE" ) );
					p.setIsNullable( rs.getInt( "NULLABLE" ) );
					if ( p.getParamType( ) == Types.OTHER )
						correctParamType( p );
					if ( p.getParamInOutType( ) != 5 )
						paramMetaDataList.add( p );
				}
			}
		}
		catch ( SQLException e )
		{