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yii
redis
ActiveQuery
exists
yii\redis\ActiveQuery::exists PHP 메소드
ActiveQuery 1 문서
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프로젝트 열기: yiisoft/yii2-redis
exists()
공개
메소드
Returns a value indicating whether the query result contains any row of data.
public
exists
(
Connection
$db
= null ) :
boolean
$db
Connection
the database connection used to execute the query. If this parameter is not given, the `db` application component will be used.
리턴
boolean
whether the query result contains any row of data.
public function exists($db = null) { return $this->one($db) !== null; }
ActiveQuery
__construct
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average
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count
executeScript
exists
findByPk
init
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one
scalar
sum