ClickHouse/tests/queries/0_stateless/00121_drop_column_zookeeper.sql
2020-04-03 03:19:11 +03:00

25 lines
804 B
SQL

DROP TABLE IF EXISTS alter_00121;
CREATE TABLE alter_00121 (d Date, x UInt8) ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/alter_00121', 'r1', d, (d), 8192);
INSERT INTO alter_00121 VALUES ('2014-01-01', 1);
ALTER TABLE alter_00121 DROP COLUMN x;
DROP TABLE alter_00121 NO DELAY;
SELECT sleep(1) FORMAT Null;
CREATE TABLE alter_00121 (d Date) ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/alter_00121', 'r1', d, (d), 8192);
INSERT INTO alter_00121 VALUES ('2014-01-01');
SELECT * FROM alter_00121 ORDER BY d;
ALTER TABLE alter_00121 ADD COLUMN x UInt8;
INSERT INTO alter_00121 VALUES ('2014-02-01', 1);
SELECT * FROM alter_00121 ORDER BY d;
ALTER TABLE alter_00121 DROP COLUMN x;
SELECT * FROM alter_00121 ORDER BY d;
DROP TABLE alter_00121 NO DELAY;
SELECT sleep(1) FORMAT Null;