mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-19 22:22:00 +00:00
72 lines
1.3 KiB
SQL
72 lines
1.3 KiB
SQL
SET use_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;
|