REPEAT LOOP

Syntax

[begin_label:] REPEAT
    statement_list
UNTIL search_condition
END REPEAT [end_label]

The statement list within a REPEAT statement is repeated until the search_condition is true. Thus, a REPEAT always enters the loop at least once. statement_list consists of one or more statements, each terminated by a semicolon (i.e., ;) statement delimiter.

A REPEAT statement can be labeled. end_label cannot be given unless begin_label also is present. If both are present, they must be the same.

See Delimiters in the mysql client for more on client delimiter usage.

DELIMITER //

CREATE PROCEDURE dorepeat(p1 INT)
  BEGIN
    SET @x = 0;
    REPEAT SET @x = @x + 1; UNTIL @x > p1 END REPEAT;
  END
//

CALL dorepeat(1000)//

SELECT @x//
+------+
| @x   |
+------+
| 1001 |
+------+

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