In Boolean search * acts as a wildcard operator. : Operator « FullText Search « SQL / MySQL






  1. SQL / MySQL
  2. FullText Search
  3. Operator

In Boolean search * acts as a wildcard operator.

    
mysql>
mysql> CREATE TABLE mytable
    -> (
    ->     bsect ENUM('O','N') NOT NULL, # book section (testament)
    ->     bname VARCHAR(20) NOT NULL, # book name
    ->     bnum TINYINT UNSIGNED NOT NULL, # book number
    ->     cnum TINYINT UNSIGNED NOT NULL, # chapter number
    ->     vnum TINYINT UNSIGNED NOT NULL, # verse number
    ->     vtext TEXT NOT NULL # text of verse
    -> ) TYPE = MyISAM;
Query OK, 0 rows affected, 1 warning (0.01 sec)

mysql>
mysql> ALTER TABLE mytable ADD FULLTEXT (vtext);
Query OK, 0 rows affected (0.02 sec)
Records: 0  Duplicates: 0  Warnings: 0

mysql>
mysql>
mysql> SELECT COUNT(*) FROM mytable WHERE MATCH(vtext) AGAINST('whirl*' IN BOOLEAN MODE);
+----------+
| COUNT(*) |
+----------+
|        0 |
+----------+
1 row in set (0.00 sec)

mysql>
mysql> drop table mytable;
Query OK, 0 rows affected (0.00 sec)








Related examples in the same category

1.Using plus operator in boolean mode
2.Minus operator