错误是来自postgres而不是django。您可以将其重写为：
WITH v_table_name AS
(
SELECT row_number() over (partition by col2 order by col3) AS rn, primary_key
FROM table_name
)
UPDATE table_name set table_name.col1 = v_table_name.rn
FROM v_table_name
WHERE table_name.primary_key = v_table_name.primary_key;
或者：
UPDATE table_name set table_name.col1 = v_table_name.rn
FROM
(
SELECT row_number() over (partition by col2 order by col3) AS rn, primary_key
FROM table_name
) AS v_table_name
WHERE table_name.primary_key = v_table_name.primary_key;
这行得通。刚刚在postgres-9.6上进行了测试。这是UPDATE的语法（请参阅可选的 fromlist ）。
希望这可以帮助。
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