Bug 208168 Meaningless exception occurs when sorting condition refer to a unused binding[07]
Description: Meaningless exception occurs when sorting condition refer to a unused binding[07] Build number: 2.3.0.v2007-0800 Steps to reproduce: 1, New a table binding with a dataset 2, Define a Sort for the table 3, Delete the binding of table which is using by sorting condition 4, Preview Expected result: The exception should be meaningful. Actual result: Exception is meaningless for user to clear the mistake point Error log: An error happen during population of data. This might be caused by including data of mixed type in a column of "ANY" type
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/ComputedColumnHelper.java
{
						return true;
					}
					else
					{
						List referedList = ExpressionUtil.extractColumnExpressions( ( (IScriptExpression) column.getExpression( ) ).getText( ) );
						List newList = new ArrayList( );
						for ( int j = 0; j < referedList.size( ); j++ )
						{
							IColumnBinding binding = (IColumnBinding) referedList.get( j );
							String name = binding.getResultSetColumnName( );
							newList.add( name );
						}
						return hasAggregation( newList, dataSetCCList );
					}
				}
				else
				{
					continue;
				}
			}
			return false;
		}
		catch ( BirtException e )
		{
			throw DataException.wrap( e );
		}
	}
}
class ComputedColumnHelperInstance