mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-21 07:01:59 +00:00
28 lines
769 B
SQL
28 lines
769 B
SQL
DROP DATABASE IF EXISTS db_01391;
|
|
CREATE DATABASE db_01391;
|
|
USE db_01391;
|
|
|
|
DROP TABLE IF EXISTS t;
|
|
DROP TABLE IF EXISTS d_src;
|
|
DROP DICTIONARY IF EXISTS d;
|
|
|
|
CREATE TABLE t (click_city_id UInt32, click_country_id UInt32) Engine = Memory;
|
|
CREATE TABLE d_src (id UInt64, country_id UInt8, name String) Engine = Memory;
|
|
|
|
INSERT INTO t VALUES (0, 0);
|
|
INSERT INTO d_src VALUES (0, 0, 'n');
|
|
|
|
CREATE DICTIONARY d (id UInt32, country_id UInt8, name String)
|
|
PRIMARY KEY id
|
|
SOURCE(CLICKHOUSE(HOST 'localhost' PORT tcpPort() USER 'default' DB 'db_01391' table 'd_src'))
|
|
LIFETIME(MIN 1 MAX 1)
|
|
LAYOUT(HASHED());
|
|
|
|
select click_country_id from t cc
|
|
left join d on toUInt32(d.id) = cc.click_city_id;
|
|
|
|
DROP DICTIONARY d;
|
|
DROP TABLE t;
|
|
DROP TABLE d_src;
|
|
DROP DATABASE IF EXISTS db_01391;
|