This method is invoked right after the DB connection is established.
The default implementation turns on PDO::ATTR_EMULATE_PREPARES
if [[emulatePrepare]] is true, and sets the database [[charset]] if it is not empty.
It then triggers an [[EVENT_AFTER_OPEN]] event.
| protected initConnection ( ) |
/**
* Initializes the DB connection.
* This method is invoked right after the DB connection is established.
* The default implementation turns on `PDO::ATTR_EMULATE_PREPARES`
* if [[emulatePrepare]] is true, and sets the database [[charset]] if it is not empty.
* It then triggers an [[EVENT_AFTER_OPEN]] event.
*/
protected function initConnection()
{
parent::initConnection();
if ($this->defaultSchema) {
$this->pdo->exec('SET CURRENT SCHEMA ' . $this->pdo->quote($this->defaultSchema));
}
if ($this->isISeries === null) {
try {
$stmt = $this->pdo->query('SELECT * FROM QSYS2.SYSTABLES FETCH FIRST 1 ROW ONLY');
$this->isISeries = boolval($stmt);
} catch (\Exception $ex) {
$this->isISeries = false;
}
}
}