#NEWLINE# @ _generative #NEWLINE# def where( self , whereclause ) : #NEWLINE# #INDENT# 'Add the given WHERE clause to a newly returned delete construct.' #NEWLINE# if ( self . _whereclause is not None ) : #NEWLINE# #INDENT# self . _whereclause = and_ ( self . _whereclause , _literal_as_text ( whereclause ) ) #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# self . _whereclause = _literal_as_text ( whereclause )