MySQL的SQL语句 -复合语句（8） - 流控制语句 - REPEAT 语句

[begin_label:] REPEAT
    statement_list
UNTIL search_condition
END REPEAT [end_label]
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mysql> delimiter //


mysql> CREATE PROCEDURE dorepeat(p1 INT)
       BEGIN
         SET @x = 0;
         REPEAT
           SET @x = @x + 1;
         UNTIL @x > p1 END REPEAT;
       END
       //
Query OK, 0 rows affected (0.00 sec)


mysql> CALL dorepeat(1000)//
Query OK, 0 rows affected (0.00 sec)


mysql> SELECT @x//
+------+
| @x   |
+------+
| 1001 |
+------+
1 row in set (0.00 sec)
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RETURN expr
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