return resultMeta.isComputedColumn( mappedIndex );
return getMeta( mappedIndex ).isMetaComputedColumn;
	public boolean isComputedColumn( int index ) throws BirtException	{		validateIndex( index );		int mappedIndex = getMappedIndex( index );		if( mappedIndex != -1)			return resultMeta.isComputedColumn( mappedIndex );		return false;	}