ClickHouse/dbms/tests/queries/0_stateless/01010_pmj_on_disk.sql

SET join_algorithm = 'hash';

SELECT number as n, j FROM numbers(4)
ANY LEFT JOIN (
    SELECT number * 2 AS n, number + 10 AS j
    FROM numbers(4000)
) js2
USING n;

SET max_rows_in_join = 1000;

SELECT number as n, j FROM numbers(4)
ANY LEFT JOIN (
    SELECT number * 2 AS n, number + 10 AS j
    FROM numbers(4000)
) js2
USING n; -- { serverError 191 }

SET join_algorithm = 'partial_merge';

SELECT number as n, j FROM numbers(4)
ANY LEFT JOIN (
    SELECT number * 2 AS n, number + 10 AS j
    FROM numbers(4000)
) js2
USING n;

SET partial_merge_join_optimizations = 1;

SELECT number as n, j FROM numbers(4)
ANY LEFT JOIN (
    SELECT number * 2 AS n, number + 10 AS j
    FROM numbers(4000)
) js2
USING n;

SET join_algorithm = 'auto';

SELECT number as n, j FROM numbers(4)
ANY LEFT JOIN (
    SELECT number * 2 AS n, number + 10 AS j
    FROM numbers(4000)
) js2
USING n;