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ITERATE只会和LOOP, REPEAT, and WHILE 语句一起出现。ITERATE意思是再执行一次这个循环。用 label注明哪个部分的代码需要重复。
CREATE PROCEDURE doiterate(p1 INT) BEGIN label1: LOOP SET p1 = p1 + 1; IF p1 < 10 THEN ITERATE label1; END IF; LEAVE label1; END LOOP label1; SET @x = p1; END
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