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

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2018-07-20 00:00:04 +00:00
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;