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

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2020-02-19 13:10:03 +00:00
SET join_algorithm = 'hash';
SELECT number as n, j FROM numbers(4) nums
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) nums
ANY LEFT JOIN (
SELECT number * 2 AS n, number + 10 AS j
FROM numbers(4000)
) js2
USING n; -- { serverError 191 }
2020-02-19 13:10:03 +00:00
SET join_algorithm = 'partial_merge';
SELECT number as n, j FROM numbers(4) nums
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) nums
ANY LEFT JOIN (
SELECT number * 2 AS n, number + 10 AS j
FROM numbers(4000)
) js2
USING n;
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SET join_algorithm = 'auto';
SELECT number as n, j FROM numbers(4) nums
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ANY LEFT JOIN (
SELECT number * 2 AS n, number + 10 AS j
FROM numbers(4000)
) js2
USING n;