SELECT ALL 'a';
SELECT DISTINCT 'a';
SELECT ALL * FROM (SELECT 1 UNION ALL SELECT 1);
SELECT DISTINCT * FROM (SELECT 2 UNION ALL SELECT 2);

SELECT sum(number) FROM numbers(10);
SELECT sum(ALL number) FROM numbers(10);
SELECT sum(DISTINCT number) FROM numbers(10);

SELECT sum(ALL x) FROM (SELECT 1 x UNION ALL SELECT 1);
SELECT sum(DISTINCT x) FROM (SELECT 1 x UNION ALL SELECT 1);

SELECT sum(ALL) FROM (SELECT 1 AS ALL);

SELECT sum(DISTINCT) FROM (SELECT 1 AS DISTINCT);

SELECT repeat('a', ALL) FROM (SELECT number AS ALL FROM numbers(10));

SELECT repeat('a', DISTINCT) FROM (SELECT number AS DISTINCT FROM numbers(10));

SELECT repeat(ALL, 5) FROM (SELECT 'a' AS ALL);

SELECT repeat(DISTINCT, 5) FROM (SELECT 'a' AS DISTINCT);

SELECT repeat(ALL, DISTINCT) FROM (SELECT 'a' AS ALL, 5 AS DISTINCT);