mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-18 05:32:52 +00:00
61 lines
2.2 KiB
SQL
61 lines
2.2 KiB
SQL
DROP TABLE IF EXISTS alias_local10;
|
|
DROP TABLE IF EXISTS alias10;
|
|
|
|
CREATE TABLE alias_local10 (
|
|
Id Int8,
|
|
EventDate Date DEFAULT '2000-01-01',
|
|
field1 Int8,
|
|
field2 String,
|
|
field3 ALIAS CASE WHEN field1 = 1 THEN field2 ELSE '0' END
|
|
) ENGINE = MergeTree(EventDate, (Id, EventDate), 8192);
|
|
|
|
CREATE TABLE alias10 AS alias_local10 ENGINE = Distributed(test_shard_localhost, currentDatabase(), alias_local10, cityHash64(Id));
|
|
|
|
INSERT INTO alias_local10 (Id, EventDate, field1, field2) VALUES (1, '2000-01-01', 1, '12345'), (2, '2000-01-01', 2, '54321'), (3, '2000-01-01', 0, '');
|
|
|
|
SELECT field1, field2, field3 FROM alias_local10;
|
|
SELECT field1, field2, field3 FROM alias_local10 WHERE EventDate='2000-01-01';
|
|
SELECT field1, field2 FROM alias_local10 WHERE EventDate='2000-01-01';
|
|
|
|
SELECT field1, field2, field3 FROM alias10;
|
|
SELECT field1, field2, field3 FROM alias10 WHERE EventDate='2000-01-01';
|
|
SELECT field1, field2 FROM alias10 WHERE EventDate='2000-01-01';
|
|
|
|
SELECT field2, field3 FROM alias10 WHERE EventDate='2000-01-01';
|
|
SELECT field3 FROM alias10 WHERE EventDate='2000-01-01';
|
|
SELECT field2, field3 FROM alias10;
|
|
SELECT field3 FROM alias10;
|
|
|
|
SELECT field1 FROM alias10 WHERE field3 = '12345';
|
|
SELECT field2 FROM alias10 WHERE field3 = '12345';
|
|
SELECT field3 FROM alias10 WHERE field3 = '12345';
|
|
|
|
DROP TABLE alias10;
|
|
CREATE TABLE alias10 (
|
|
Id Int8,
|
|
EventDate Date,
|
|
field1 Int8,
|
|
field2 String,
|
|
field3 String
|
|
) ENGINE = Distributed(test_shard_localhost, currentDatabase(), alias_local10);
|
|
|
|
SELECT field1, field2, field3 FROM alias_local10;
|
|
SELECT field1, field2, field3 FROM alias_local10 WHERE EventDate='2000-01-01';
|
|
SELECT field1, field2 FROM alias_local10 WHERE EventDate='2000-01-01';
|
|
|
|
SELECT field1, field2, field3 FROM alias10;
|
|
SELECT field1, field2, field3 FROM alias10 WHERE EventDate='2000-01-01';
|
|
SELECT field1, field2 FROM alias10 WHERE EventDate='2000-01-01';
|
|
|
|
SELECT field2, field3 FROM alias10 WHERE EventDate='2000-01-01';
|
|
SELECT field3 FROM alias10 WHERE EventDate='2000-01-01';
|
|
SELECT field2, field3 FROM alias10;
|
|
SELECT field3 FROM alias10;
|
|
|
|
SELECT field1 FROM alias10 WHERE field3 = '12345';
|
|
SELECT field2 FROM alias10 WHERE field3 = '12345';
|
|
SELECT field3 FROM alias10 WHERE field3 = '12345';
|
|
|
|
DROP TABLE alias_local10;
|
|
DROP TABLE alias10;
|