ClickHouse/tests/queries/0_stateless/01010_pmj_on_disk.sql
2023-03-01 18:03:42 +01:00

60 lines
1.2 KiB
SQL

SET join_algorithm = 'hash';
SELECT n, j FROM (SELECT number as n FROM numbers(4)) nums
ANY LEFT JOIN (
SELECT number * 2 AS n, number + 10 AS j
FROM numbers(4000)
) js2
USING n
ORDER BY n;
SET max_rows_in_join = 1000;
SELECT n, j FROM (SELECT number AS n FROM numbers(4)) nums
ANY LEFT JOIN (
SELECT number * 2 AS n, number + 10 AS j
FROM numbers(4000)
) js2
USING n
ORDER BY n; -- { serverError 191 }
SET join_algorithm = 'partial_merge';
SELECT n, j FROM (SELECT number as n FROM numbers(4)) nums
ANY LEFT JOIN (
SELECT number * 2 AS n, number + 10 AS j
FROM numbers(4000)
) js2
USING n
ORDER BY n;
SET partial_merge_join_optimizations = 1;
SELECT n, j FROM (SELECT number AS n FROM numbers(4)) nums
ANY LEFT JOIN (
SELECT number * 2 AS n, number + 10 AS j
FROM numbers(4000)
) js2
USING n
ORDER BY n;
SET join_algorithm = 'auto';
SELECT n, j FROM (SELECT number AS n FROM numbers(4)) nums
ANY LEFT JOIN (
SELECT number * 2 AS n, number + 10 AS j
FROM numbers(4000)
) js2
USING n
ORDER BY n;
SET max_rows_in_join = '10';
SELECT n, j FROM (SELECT number AS n FROM numbers(4)) nums
ANY LEFT JOIN (
SELECT number * 2 AS n, number + 10 AS j
FROM numbers(4000)
) js2
USING n
ORDER BY n;