2019-02-22 19:43:47 +00:00
select round ( 1000 * trigramDistance ( materialize ( ' ' ) , ' ' ) ) from system . numbers limit 5 ;
select round ( 1000 * trigramDistance ( materialize ( ' абв ' ) , ' ' ) ) from system . numbers limit 5 ;
select round ( 1000 * trigramDistance ( materialize ( ' ' ) , ' абв ' ) ) from system . numbers limit 5 ;
select round ( 1000 * trigramDistance ( materialize ( ' абвгдеёжз ' ) , ' абвгдеёжз ' ) ) from system . numbers limit 5 ;
select round ( 1000 * trigramDistance ( materialize ( ' абвгдеёжз ' ) , ' абвгдеёж ' ) ) from system . numbers limit 5 ;
select round ( 1000 * trigramDistance ( materialize ( ' абвгдеёжз ' ) , ' гдеёзд ' ) ) from system . numbers limit 5 ;
select round ( 1000 * trigramDistance ( materialize ( ' абвгдеёжз ' ) , ' ёёёёёёёё ' ) ) from system . numbers limit 5 ;
2019-02-21 05:08:37 +00:00
2019-02-22 19:43:47 +00:00
select round ( 1000 * trigramDistance ( ' ' , ' ' ) ) ;
select round ( 1000 * trigramDistance ( ' абв ' , ' ' ) ) ;
select round ( 1000 * trigramDistance ( ' ' , ' абв ' ) ) ;
select round ( 1000 * trigramDistance ( ' абвгдеёжз ' , ' абвгдеёжз ' ) ) ;
select round ( 1000 * trigramDistance ( ' абвгдеёжз ' , ' абвгдеёж ' ) ) ;
select round ( 1000 * trigramDistance ( ' абвгдеёжз ' , ' гдеёзд ' ) ) ;
select round ( 1000 * trigramDistance ( ' абвгдеёжз ' , ' ёёёёёёёё ' ) ) ;
2019-02-21 05:08:37 +00:00
drop table if exists test . test_distance ;
create table test . test_distance ( Title String ) engine = Memory ;
insert into test . test_distance values ( ' привет как дела?... Херсон ' ) , ( ' привет как дела клип - Яндекс.Видео ' ) , ( ' привет ' ) , ( ' пап привет как дела - Яндекс.Видео ' ) , ( ' привет братан как дела - Яндекс.Видео ' ) , ( ' http://metric.ru/ ' ) , ( ' http://autometric.ru/ ' ) , ( ' http://metrica.yandex.com/ ' ) , ( ' http://metris.ru/ ' ) , ( ' http://metrika.ru/ ' ) , ( ' ' ) ;
2019-02-22 19:43:47 +00:00
SELECT Title FROM test . test_distance ORDER BY trigramDistance ( Title , ' привет как дела ' ) ;
SELECT Title FROM test . test_distance ORDER BY trigramDistance ( Title , ' как привет дела ' ) ;
SELECT Title FROM test . test_distance ORDER BY trigramDistance ( Title , ' metrika ' ) ;
SELECT Title FROM test . test_distance ORDER BY trigramDistance ( Title , ' metrica ' ) ;
SELECT Title FROM test . test_distance ORDER BY trigramDistance ( Title , ' metriks ' ) ;
SELECT Title FROM test . test_distance ORDER BY trigramDistance ( Title , ' metrics ' ) ;
SELECT Title FROM test . test_distance ORDER BY trigramDistance ( Title , ' yandex ' ) ;
2019-02-21 05:08:37 +00:00
drop table if exists test . test_distance ;