PHP 클래스 yii\caching\DbDependency
If the query result changes, the dependency is considered as changed.
The query is specified via the [[sql]] property.
For more details and usage information on Cache, see the
guide article on caching.
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프로젝트 열기: yiisoft/yii2
1 사용 예제들
공개 프로퍼티들
프로퍼티 |
타입 |
설명 |
|
$db |
|
the application component ID of the DB connection. |
|
$params |
|
the parameters (name => value) to be bound to the SQL statement specified by [[sql]]. |
|
$sql |
|
the SQL query whose result is used to determine if the dependency has been changed.
Only the first row of the query result will be used. |
|
보호된 메소드들
메소드 상세
generateDependencyData()
보호된 메소드
This method returns the value of the global state.
protected generateDependencyData ( Cache $cache ) : mixed |
$cache |
Cache |
the cache component that is currently evaluating this dependency |
리턴 |
mixed |
the data needed to determine if dependency has been changed. |
프로퍼티 상세
the application component ID of the DB connection.
the parameters (name => value) to be bound to the SQL statement specified by [[sql]].
the SQL query whose result is used to determine if the dependency has been changed.
Only the first row of the query result will be used.