mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-30 03:22:14 +00:00
18 lines
1.2 KiB
SQL
18 lines
1.2 KiB
SQL
DROP TABLE IF EXISTS test.hits_snippet;
|
|
|
|
CREATE TABLE test.hits_snippet(EventTime DateTime('Europe/Moscow'), EventDate Date, CounterID UInt32, UserID UInt64, URL String, Referer String) ENGINE = MergeTree(EventDate, intHash32(UserID), (CounterID, EventDate, intHash32(UserID), EventTime), 8192);
|
|
|
|
SET min_insert_block_size_rows = 0, min_insert_block_size_bytes = 0;
|
|
SET max_block_size = 4096;
|
|
|
|
INSERT INTO test.hits_snippet(EventTime, EventDate, CounterID, UserID, URL, Referer) SELECT EventTime, EventDate, CounterID, UserID, URL, Referer FROM test.hits WHERE EventDate = toDate('2014-03-18') ORDER BY EventTime, EventDate, CounterID, UserID, URL, Referer ASC LIMIT 50;
|
|
INSERT INTO test.hits_snippet(EventTime, EventDate, CounterID, UserID, URL, Referer) SELECT EventTime, EventDate, CounterID, UserID, URL, Referer FROM test.hits WHERE EventDate = toDate('2014-03-19') ORDER BY EventTime, EventDate, CounterID, UserID, URL, Referer ASC LIMIT 50;
|
|
|
|
SET min_bytes_to_use_direct_io = 8192;
|
|
|
|
OPTIMIZE TABLE test.hits_snippet;
|
|
|
|
SELECT EventTime, EventDate, CounterID, UserID, URL, Referer FROM test.hits_snippet ORDER BY EventTime, EventDate, CounterID, UserID, URL, Referer ASC;
|
|
|
|
DROP TABLE test.hits_snippet;
|