ClickHouse/tests/queries/0_stateless/01017_tuplehamming_distance.sql
feng lv 83c0807b43 update
update name
2020-05-22 23:45:09 +08:00

20 lines
690 B
SQL

SELECT tupleHammingDistance((1, 2), (3, 4));
SELECT tupleHammingDistance((120, 243), (120, 434));
SELECT tupleHammingDistance((-12, 434), (434, 434));
DROP TABLE IF EXISTS defaults;
CREATE TABLE defaults
(
t1 Tuple(UInt16, UInt16),
t2 Tuple(UInt32, UInt32),
t3 Tuple(Int64, Int64)
)ENGINE = Memory();
INSERT INTO defaults VALUES ((12, 43), (12312, 43453) ,(-10, 32)) ((1, 4), (546, 12345), (546, 12345)) ((90, 9875), (43456, 234203), (1231, -123)) ((87, 987), (545645, 768354634), (9123, 909));
SELECT tupleHammingDistance((12, 43), t1) FROM defaults;
SELECT tupleHammingDistance(t2, (546, 456)) FROM defaults;
SELECT tupleHammingDistance(t2, t3) FROM defaults;
DROP TABLE defaults;