mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-19 06:50:50 +00:00
19 lines
568 B
SQL
19 lines
568 B
SQL
DROP TABLE IF EXISTS test.tab;
|
|
DROP TABLE IF EXISTS test.mv;
|
|
|
|
CREATE TABLE test.tab(d Date, x UInt32) ENGINE MergeTree(d, x, 8192);
|
|
CREATE MATERIALIZED VIEW test.mv(d Date, y UInt64) ENGINE MergeTree(d, y, 8192) AS SELECT d, x + 1 AS y FROM test.tab;
|
|
|
|
INSERT INTO test.tab VALUES ('2018-01-01', 1), ('2018-01-01', 2), ('2018-02-01', 3);
|
|
|
|
SELECT '-- Before DROP PARTITION --';
|
|
SELECT * FROM test.mv ORDER BY y;
|
|
|
|
ALTER TABLE test.mv DROP PARTITION 201801;
|
|
|
|
SELECT '-- After DROP PARTITION --';
|
|
SELECT * FROM test.mv ORDER BY y;
|
|
|
|
DROP TABLE test.tab;
|
|
DROP TABLE test.mv;
|