Sql 使用您提到的JOIN创建一个EXECUTE语句，非常感谢，但是您的解决方案在我的环境中性能很差，在1700万个关键字的表中，处理需要2-3分钟。。 SELECT * FROM FTS_KEYWORDS ID | KEYWORD ----+-------

---

使用您提到的

JOIN

创建一个

EXECUTE语句

，非常感谢，但是您的解决方案在我的环境中性能很差，在1700万个关键字的表中，处理需要2-3分钟。。

SELECT * FROM FTS_KEYWORDS

 ID | KEYWORD
----+-----------
  1 | 'FORD'
  1 | 'MUSTANG'
  1 | '2010'
  2 | 'FORD'
  2 | 'FUSION'
  2 | 'TURBO'
  2 | '2010'
  3 | 'FORD'
  3 | 'RANGER'
  3 | 'TURBO'
  3 | '2010'
  3 | 'BLACK'

SELECT TOKENS FROM FTS_TOKENIZE('FORD')

 TOKENS
-------------
  'FORD'

:TOKEN_1 = 'FORD'

SELECT DISTINCT ID
FROM FTS_KEYWORDS
WHERE (KEYWORD STARTING :TOKEN_1)

 ID 
-----
  1
  2 
  3 

SELECT TOKENS FROM FTS_TOKENIZE('FORD 2010 BLACK')

 TOKENS
-------------
 'FORD'
 '2010'
 'BLACK'

:TOKEN_1 = 'FORD'
:TOKEN_2 = '2010'
:TOKEN_3 = 'BLACK'

SELECT DISTINCT K1.ID
FROM FTS_KEYWORDS K1
WHERE (K1.KEYWORD STARTING :TOKEN_1)
  AND (K1.ID IN (SELECT DISTINCT K2.ID
                 FROM FTS_KEYWORDS K2
                 WHERE (K2.KEYWORD STARTING :TOKEN_2)))
                   AND (K2.ID IN (SELECT DISTINCT K3.ID
                                  FROM FTS_KEYWORDS K3
                                  WHERE (K3.KEYWORD STARTING :TOKEN_3)))

 ID 
-----
  3 

SELECT 
  K.ID, COUNT(*) 
FROM FTS_KEYWORDS K
WHERE
  (SELECT ASCII_CHAR(5) || LIST(T.TOKEN, ASCII_CHAR(5)) || ASCII_CHAR(5) FROM FTS_TOKENIZE('FORD 2010 BLACK') T)
  LIKE '%' || ASCII_CHAR(5) || K.KEYWORD || ASCII_CHAR(5) || '%'
GROUP BY K.ID
HAVING COUNT(*)=(SELECT COUNT(*) FROM FTS_TOKENIZE('FORD 2010 BLACK') TX)

SELECT 
  K.ID, COUNT(*) 
FROM FTS_KEYWORDS K
WHERE
  ASCII_CHAR(5) || 'FORD' || ASCII_CHAR(5) || '2010' || ASCII_CHAR(5) || 'BLACK' || ASCII_CHAR(5) 
  LIKE '%' || ASCII_CHAR(5) || K.KEYWORD || ASCII_CHAR(5) || '%'
GROUP BY K.ID
HAVING COUNT(*)=3

SELECT
    DISTINCT K1.ID
FROM
    FTS_KEYWORDS K1
    INNER JOIN FTS_KEYWORDS K2 ON K2.ID = K1.ID AND K2.KEYWORD STARTING 'FORD'
    INNER JOIN FTS_KEYWORDS K3 ON K3.ID = K2.ID AND K3.KEYWORD STARTING '2010'
WHERE
    K1.KEYWORD STARTING 'BLACK' 

SELECT DISTINCT K.ID FROM FTS_TOKENIZE ('FORD 2010 BLACK') FT JOIN FTS_KEYWORDS K ON K.KEYWORD STARTING FT.TOKENS WHERE NOT EXISTS(SELECT * FROM FTS_TOKENIZE('FORD 2010 BLACK') FT2 WHERE NOT EXISTS(SELECT * FROM FTS_KEYWORDS K2 WHERE K2.KEYWORD STARTING FT2.TOKENS AND K.ID = K2.ID))