parameters: (self)
return_statement: return u'table' in self.group
docstring: has this table been created
docstring_summary: has this table been created
docstring_tokens: has this table been created
function: def is_exists(self):
          """ has this table been created """
          return u'table' in self.group
function_tokens: def is_exists ( self ) : return u'table' in self . group