def count_rows_duplicates(self, table, cols='*'):
        """Get the number of rows that do not contain distinct values."""
        return self.count_rows(table, '*') - self.count_rows_distinct(table, cols)
def count_rows_duplicates ( self , table , cols = '*' ) : return self . count_rows ( table , '*' ) - self . count_rows_distinct ( table , cols )
Get the number of rows that do not contain distinct values.