ClickHouse/tests/queries/0_stateless/02375_analyzer_union.sql
2024-08-05 15:29:14 +00:00

72 lines
1.3 KiB
SQL

SET enable_analyzer = 0;
DROP TABLE IF EXISTS test_table;
CREATE TABLE test_table
(
id UInt64,
value String
) ENGINE=TinyLog;
INSERT INTO test_table VALUES (0, 'Value');
-- { echoOn }
SELECT 'Union constants';
SELECT 1 UNION ALL SELECT 1;
SELECT '--';
SELECT 1 UNION DISTINCT SELECT 1 UNION ALL SELECT 1;
SELECT '--';
SELECT 1 INTERSECT SELECT 1;
SELECT '--';
SELECT 1 EXCEPT SELECT 1;
SELECT '--';
SELECT id FROM (SELECT 1 AS id UNION ALL SELECT 1);
SELECT 'Union non constants';
SELECT value FROM (SELECT 1 as value UNION ALL SELECT 1 UNION ALL SELECT 1);
SELECT '--';
SELECT id FROM test_table UNION ALL SELECT id FROM test_table;
SELECT '--';
SELECT id FROM test_table UNION DISTINCT SELECT id FROM test_table;
SELECT '--';
SELECT id FROM test_table INTERSECT SELECT id FROM test_table;
SELECT '--';
SELECT id FROM test_table EXCEPT SELECT id FROM test_table;
SELECT '--';
SELECT id FROM (SELECT id FROM test_table UNION ALL SELECT id FROM test_table);
SELECT '--';
SELECT id FROM (SELECT id FROM test_table UNION DISTINCT SELECT id FROM test_table);
SELECT '--';
SELECT id FROM (SELECT id FROM test_table INTERSECT SELECT id FROM test_table);
SELECT '--';
SELECT id FROM (SELECT id FROM test_table EXCEPT SELECT id FROM test_table);
-- { echoOff }
DROP TABLE test_table;