mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-30 19:42:00 +00:00
22 lines
1.3 KiB
MySQL
22 lines
1.3 KiB
MySQL
|
|
||
|
|
DROP TABLE IF EXISTS test_generic_events_all;
|
||
|
|
|
||
|
|
CREATE TABLE test_generic_events_all (APIKey UInt8, SessionType UInt8) ENGINE = MergeTree() PARTITION BY APIKey ORDER BY tuple();
|
||
|
|
INSERT INTO test_generic_events_all VALUES( 42, 42 );
|
||
|
|
ALTER TABLE test_generic_events_all ADD COLUMN OperatingSystem UInt64 DEFAULT 42;
|
||
|
|
SELECT OperatingSystem FROM test_generic_events_all PREWHERE APIKey = 42 WHERE SessionType = 42;
|
||
|
|
SELECT * FROM test_generic_events_all PREWHERE APIKey = 42 WHERE SessionType = 42;
|
||
|
|
|
||
|
|
DROP TABLE IF EXISTS test_generic_events_all;
|
||
|
|
|
||
|
|
CREATE TABLE test_generic_events_all (APIKey UInt8, SessionType UInt8) ENGINE = MergeTree() PARTITION BY APIKey ORDER BY tuple();
|
||
|
|
INSERT INTO test_generic_events_all VALUES( 42, 42 );
|
||
|
|
ALTER TABLE test_generic_events_all ADD COLUMN OperatingSystem UInt64 DEFAULT SessionType+1;
|
||
|
|
SELECT * FROM test_generic_events_all WHERE APIKey = 42 AND SessionType = 42;
|
||
|
|
SELECT OperatingSystem FROM test_generic_events_all WHERE APIKey = 42;
|
||
|
|
SELECT OperatingSystem FROM test_generic_events_all WHERE APIKey = 42 AND SessionType = 42;
|
||
|
|
SELECT OperatingSystem FROM test_generic_events_all PREWHERE APIKey = 42 WHERE SessionType = 42;
|
||
|
|
SELECT * FROM test_generic_events_all PREWHERE APIKey = 42 WHERE SessionType = 42;
|
||
|
|
|
||
|
|
DROP TABLE IF EXISTS test_generic_events_all;
|