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Synopsis

ITERATE label

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Description

The ITERATE statement allows processing of blocks in SQL routines to move processing back to the start of a context block. Contexts are defined by a label. If no label is found, the functions fails with an error message.

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Examples

FUNCTION count()
RETURNS bigint
BEGIN
  DECLARE a int DEFAULT 0;
  DECLARE b int DEFAULT 0;
  top: REPEAT
    SET a = a + 1;
    IF a <= 3 THEN
        ITERATE top;
    END IF;
    SET b = b + 1;
  RETURN b;
END
Further examples of varying complexity that cover usage of the ITERATE statement in combination with other statements are available in the SQL routines examples documentation.

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See also