ClickHouse/dbms/tests/queries/0_stateless/00673_subquery_prepared_set_performance.sql
2018-07-20 03:00:04 +03:00

13 lines
675 B
SQL

DROP TABLE IF EXISTS test.mergetree;
CREATE TABLE test.mergetree (x UInt64) ENGINE = MergeTree ORDER BY x;
INSERT INTO test.mergetree VALUES (1);
SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM test.mergetree WHERE x IN (SELECT * FROM numbers(10000000))))))))))));
SET force_primary_key = 1;
SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM (SELECT * FROM test.mergetree WHERE x IN (SELECT * FROM numbers(10000000))))))))))));
DROP TABLE test.mergetree;