mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-19 06:50:50 +00:00
17 lines
826 B
SQL
17 lines
826 B
SQL
DROP TABLE IF EXISTS test.mergetree;
|
|
DROP TABLE IF EXISTS test.distributed;
|
|
|
|
CREATE TABLE test.mergetree (x UInt64, s String) ENGINE = MergeTree ORDER BY x;
|
|
INSERT INTO test.mergetree VALUES (1, 'hello'), (2, 'world');
|
|
|
|
SELECT CASE x WHEN 1 THEN 'hello' WHEN 2 THEN 'world' ELSE 'unknow' END FROM test.mergetree;
|
|
SELECT count() AS cnt FROM (SELECT CASE x WHEN 1 THEN 'hello' WHEN 2 THEN 'world' ELSE 'unknow' END FROM test.mergetree);
|
|
|
|
CREATE TABLE test.distributed AS test.mergetree ENGINE = Distributed(test_shard_localhost, test, mergetree);
|
|
|
|
SELECT CASE x WHEN 1 THEN 'hello' WHEN 2 THEN 'world' ELSE 'unknow' END FROM test.distributed;
|
|
SELECT count() AS cnt FROM (SELECT CASE x WHEN 1 THEN 'hello' WHEN 2 THEN 'world' ELSE 'unknow' END FROM test.distributed);
|
|
|
|
DROP TABLE test.mergetree;
|
|
DROP TABLE test.distributed;
|