mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-01 03:52:15 +00:00
37 lines
911 B
SQL
37 lines
911 B
SQL
DROP TABLE IF EXISTS distributed_tbl;
|
|
DROP TABLE IF EXISTS merge_tree_table;
|
|
|
|
CREATE TABLE merge_tree_table
|
|
(
|
|
Date Date,
|
|
SomeType UInt8,
|
|
Alternative1 UInt64,
|
|
Alternative2 UInt64,
|
|
User UInt32,
|
|
CharID UInt64 ALIAS multiIf(SomeType IN (3, 4, 11), 0, SomeType IN (7, 8), Alternative1, Alternative2)
|
|
)
|
|
ENGINE = MergeTree()
|
|
ORDER BY tuple();
|
|
|
|
INSERT INTO merge_tree_table VALUES(toDate('2016-03-01'), 4, 0, 0, 1486392);
|
|
|
|
SELECT count() FROM merge_tree_table;
|
|
|
|
CREATE TABLE distributed_tbl
|
|
(
|
|
Date Date,
|
|
SomeType UInt8,
|
|
Alternative1 UInt64,
|
|
Alternative2 UInt64,
|
|
CharID UInt64,
|
|
User UInt32
|
|
)
|
|
ENGINE = Distributed(test_shard_localhost, currentDatabase(), merge_tree_table);
|
|
|
|
SELECT identity(CharID) AS x
|
|
FROM distributed_tbl
|
|
WHERE (Date = toDate('2016-03-01')) AND (User = 1486392) AND (x = 0);
|
|
|
|
DROP TABLE IF EXISTS distributed_tbl;
|
|
DROP TABLE IF EXISTS merge_tree_table;
|