ClickHouse/dbms/tests/queries/0_stateless/00673_subquery_prepared_set_performance.sql

13 lines
645 B
SQL

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