$schemaCache public property The cache object or the ID of the

$masterConfig public property The configuration that should be

EVENT_BEGIN_TRANSACTION event of type \yii\db\Event An event that

$enableSchemaCache public property Whether to enable schema caching

$queryCache public property The cache object or the ID of the

$emulatePrepare public property Whether to turn on prepare emulation

$slave public read-only property The currently active

open() public method Establishes a DB connection.

$queryCacheDuration public property The default number of seconds

$masterPdo public read-only property The PDO instance