Tüm satırlar için eşleşme sayısı

Question

ile eşleşmesi mümkün mü? Mysql sorgusunda doğrudan mümkün mü? Örnek: boolean modda +possible +know

yılında

arama ben taşındı => 1 maç

Answer 1

GÜNCELLEME "Her şey mümkün" => 2 maç

"Bu nasıl mümkün olduğunu bilmek istiyorum" garip bi önerim var

aşağı benim orijinal cevap

Sen m kullanmanız gerekebilir ysql yarar bir metin dosyası olarak üretebilir varsa, PHP olabilir

C:\MySQL_5.5.12\data\sandro>myisam_ftdump -vc txtdata 1 
     2   0.4054651 everyhing 
     2   0.4054651 impossible 
     1   1.3862944 knew 
     3   -0.4054651 know 
     2   0.4054651 nothing 
     1   1.3862944 people 
     2   0.4054651 possible 
     1   1.3862944 probable 
     1   1.3862944 something 

İşte

myisam_ftdump Aradığınız kelime için bunu ayrıştırmak orijinal cevap örnekten bir fulltext dökümü olarak adlandırılan .

ORİJİNAL CEVAP ile veya MANTIKSAL MODE olmadan

, cevap hayır. çeşitli arama sıralamalarında

mysql> SELECT *,MATCH(txt) AGAINST ('possible knew') as score FROM txtdata; 
+----+--------------------------------------+--------------------+ 
| id | txt         | score    | 
+----+--------------------------------------+--------------------+ 
| 1 | I know Nothing is possible   | 0.3919430673122406 | 
| 2 | We know nothing is impossible  |     0 | 
| 3 | I knew everyhing is possible   | 1.73200523853302 | 
| 4 | We know everyhing is impossible  |     0 | 
| 5 | For may people something is probable |     0 | 
+----+--------------------------------------+--------------------+ 
5 rows in set (0.00 sec) 

mysql> SELECT *,MATCH(txt) AGAINST ('possible know') as score FROM txtdata; 
+----+--------------------------------------+--------------------+ 
| id | txt         | score    | 
+----+--------------------------------------+--------------------+ 
| 1 | I know Nothing is possible   | 0.3919430673122406 | 
| 2 | We know nothing is impossible  |     0 | 
| 3 | I knew everyhing is possible   | 0.3919430673122406 | 
| 4 | We know everyhing is impossible  |     0 | 
| 5 | For may people something is probable |     0 | 
+----+--------------------------------------+--------------------+ 
5 rows in set (0.00 sec) 

mysql> SELECT *,MATCH(txt) AGAINST ('impossible knew') as score FROM txtdata; 
+----+--------------------------------------+--------------------+ 
| id | txt         | score    | 
+----+--------------------------------------+--------------------+ 
| 1 | I know Nothing is possible   |     0 | 
| 2 | We know nothing is impossible  | 0.3919430673122406 | 
| 3 | I knew everyhing is possible   | 1.340062141418457 | 
| 4 | We know everyhing is impossible  | 0.3919430673122406 | 
| 5 | For may people something is probable |     0 | 
+----+--------------------------------------+--------------------+ 
5 rows in set (0.00 sec) 

mysql> SELECT *,MATCH(txt) AGAINST ('impossible know') as score FROM txtdata; 
+----+--------------------------------------+--------------------+ 
| id | txt         | score    | 
+----+--------------------------------------+--------------------+ 
| 1 | I know Nothing is possible   |     0 | 
| 2 | We know nothing is impossible  | 0.3919430673122406 | 
| 3 | I knew everyhing is possible   |     0 | 
| 4 | We know everyhing is impossible  | 0.3919430673122406 | 
| 5 | For may people something is probable |     0 | 
+----+--------------------------------------+--------------------+ 
5 rows in set (0.00 sec) 

mysql>