1 <?php
 2 /**
 3  * @package sapphire
 4  * @subpackage search
 5  */
 6 
 7 /**
 8  * Selects textual content with an exact match between columnname and keyword.
 9  *
10  * @todo case sensitivity switch
11  * @todo documentation
12  * 
13  * @package sapphire
14  * @subpackage search
15  */
16 class ExactMatchFilter extends SearchFilter {
17     
18     /**
19      * Applies an exact match (equals) on a field value.
20      *
21      * @return unknown
22      */
23     public function apply(SQLQuery $query) {
24         $query = $this->applyRelation($query);
25         return $query->where(sprintf(
26             "%s = '%s'",
27             $this->getDbName(),
28             Convert::raw2sql($this->getValue())
29         ));
30     }
31     
32     public function isEmpty() {
33         return $this->getValue() == null || $this->getValue() == '';
34     }
35 }
36 ?>