ClickHouse/dbms/tests/queries/0_stateless/00098_1_union_all.sql

DROP TABLE IF EXISTS data2013;
DROP TABLE IF EXISTS data2014;
DROP TABLE IF EXISTS data2015;

CREATE TABLE data2013 (name String, value UInt32) ENGINE = Memory;
CREATE TABLE data2014 (name String, value UInt32) ENGINE = Memory;
CREATE TABLE data2015 (data_name String, data_value UInt32) ENGINE = Memory;

INSERT INTO data2013(name,value) VALUES('Alice', 1000);
INSERT INTO data2013(name,value) VALUES('Bob', 2000);
INSERT INTO data2013(name,value) VALUES('Carol', 5000);

INSERT INTO data2014(name,value) VALUES('Alice', 2000);
INSERT INTO data2014(name,value) VALUES('Bob', 2000);
INSERT INTO data2014(name,value) VALUES('Dennis', 35000);

INSERT INTO data2015(data_name, data_value) VALUES('Foo', 42);
INSERT INTO data2015(data_name, data_value) VALUES('Bar', 1);

SELECT val FROM
(SELECT value AS val FROM data2013 WHERE name = 'Alice'
UNION ALL
SELECT value AS val FROM data2014 WHERE name = 'Alice')
ORDER BY val ASC;

SELECT val, name FROM
(SELECT value AS val, value AS val_1, name FROM data2013 WHERE name = 'Alice'
UNION ALL
SELECT value AS val, value, name FROM data2014 WHERE name = 'Alice')
ORDER BY val ASC;