public JointResultMetadata( IResultClass resultClass, boolean[] isFromLeftResultSet, int[] index )
public JointResultMetadata( IResultClass resultClass, int[] columnSource, int[] index )
	public JointResultMetadata( IResultClass resultClass, boolean[] isFromLeftResultSet, int[] index )	{		this.resultClass = resultClass;		this.isFromLeftResultSet = isFromLeftResultSet;		this.columnIndex = index;	}