@util.memoized_property
def _preserve_raw_colnames(self):
    return ((not self.dialect._broken_dotted_colnames) or self.execution_options.get('sqlite_raw_colnames', False))
@util.memoized_property
def _preserve_raw_colnames(self):
    return ((not self.dialect._broken_dotted_colnames) or self.execution_options.get('sqlite_raw_colnames', False))