mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-22 07:31:57 +00:00
21 lines
650 B
SQL
21 lines
650 B
SQL
-- Tags: distributed
|
|
|
|
DROP TABLE IF EXISTS data;
|
|
CREATE TABLE data (a Int64, b Int64) ENGINE = TinyLog();
|
|
|
|
DROP TABLE IF EXISTS data_distributed;
|
|
CREATE TABLE data_distributed (a Int64, b Int64) ENGINE = Distributed(test_shard_localhost, currentDatabase(), 'data');
|
|
|
|
INSERT INTO data VALUES (0, 0);
|
|
|
|
SET prefer_localhost_replica = 1;
|
|
SELECT a / (SELECT sum(number) FROM numbers(10)) FROM data_distributed;
|
|
SELECT a < (SELECT 1) FROM data_distributed;
|
|
|
|
SET prefer_localhost_replica = 0;
|
|
SELECT a / (SELECT sum(number) FROM numbers(10)) FROM data_distributed;
|
|
SELECT a < (SELECT 1) FROM data_distributed;
|
|
|
|
DROP TABLE data_distributed;
|
|
DROP TABLE data;
|