我试过了 :
UPDATE closure JOIN item ON ( item_id = id )
SET checked = 0
WHERE ancestor_id = 1
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和:
UPDATE closure, item
SET checked = 0
WHERE ancestor_id = 1 AND item_id = id
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两者都适用于MySQL,但那些在SQLite中给我一个语法错误.
如何使这个UPDATE/JOIN与SQLite版本3.5.9一起使用?