/* custom error: Recursive query does not have the form non-recursive-term UNION [ALL] recursive-term */
PRAGMA YqlSelect = 'force';

WITH RECURSIVE multi_anchor AS (
    SELECT 10 AS val
    UNION ALL
    SELECT 20 AS val
    UNION ALL
    SELECT val + 1 AS val FROM multi_anchor WHERE val IN (10, 20)
)
SELECT * FROM multi_anchor ORDER BY val;