mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-17 13:13:36 +00:00
25 lines
780 B
MySQL
25 lines
780 B
MySQL
|
DROP TABLE IF EXISTS hits;
|
||
|
DROP TABLE IF EXISTS visits;
|
||
|
DROP TABLE IF EXISTS hits_layer;
|
||
|
DROP TABLE IF EXISTS visits_layer;
|
||
|
|
||
|
CREATE TABLE visits(StartDate Date) ENGINE MergeTree ORDER BY(StartDate);
|
||
|
CREATE TABLE hits(EventDate Date, WatchID UInt8) ENGINE MergeTree ORDER BY(EventDate);
|
||
|
|
||
|
CREATE TABLE visits_layer(StartDate Date) ENGINE Distributed(test_cluster_two_shards_localhost, currentDatabase(), 'visits');
|
||
|
CREATE TABLE hits_layer(EventDate Date, WatchID UInt8) ENGINE Distributed(test_cluster_two_shards_localhost, currentDatabase(), 'hits');
|
||
|
|
||
|
SET distributed_product_mode = 'local';
|
||
|
|
||
|
SELECT 0 FROM hits_layer AS hl
|
||
|
PREWHERE WatchID IN
|
||
|
(
|
||
|
SELECT 0 FROM visits_layer AS vl
|
||
|
)
|
||
|
WHERE 0;
|
||
|
|
||
|
DROP TABLE hits;
|
||
|
DROP TABLE visits;
|
||
|
DROP TABLE hits_layer;
|
||
|
DROP TABLE visits_layer;
|