

def execute_sql(self, result_type):
    '\n        Execute the specified update. Returns the number of rows affected by\n        the primary update query. The "primary update query" is the first\n        non-empty query that is executed. Row counts for any subsequent,\n        related queries are not available.\n        '
    cursor = super(SQLUpdateCompiler, self).execute_sql(result_type)
    rows = (cursor.rowcount if cursor else 0)
    is_empty = (cursor is None)
    del cursor
    for query in self.query.get_related_updates():
        aux_rows = query.get_compiler(self.using).execute_sql(result_type)
        if is_empty:
            rows = aux_rows
            is_empty = False
    return rows

dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/db/models/sql/compiler.py SQLUpdateCompiler.execute_sql/original