#NEWLINE# def GetColumnNames( self , all_columns = False ) : #NEWLINE# #INDENT# "Returns a list of column names (sorted in original order). Specify\n    'all_columns' as True to include index term columns as well.\n    " #NEWLINE# if self : #NEWLINE# #INDENT# return self . _all_column_names #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# return self . _column_names