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<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace edgardmessias\db\firebird; |
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/** |
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* |
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* @author Edgard Lorraine Messias <[email protected]> |
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* @since 2.0 |
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*/ |
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class Connection extends \yii\db\Connection |
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{ |
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/** |
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* Firebird server version |
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*/ |
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public $firebird_version = null; |
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/** |
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* @inheritdoc |
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*/ |
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public $schemaMap = [ |
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'firebird' => 'edgardmessias\db\firebird\Schema', // Firebird |
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]; |
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/** |
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* @inheritdoc |
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*/ |
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public $pdoClass = 'edgardmessias\db\firebird\PdoAdapter'; |
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/** |
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* @inheritdoc |
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*/ |
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public $commandClass = 'edgardmessias\db\firebird\Command'; |
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/** |
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* @var Transaction the currently active transaction |
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*/ |
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private $_transaction; |
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/** |
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* Returns the currently active transaction. |
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* @return Transaction the currently active transaction. Null if no active transaction. |
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*/ |
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public function getTransaction() |
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{ |
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return $this->_transaction && $this->_transaction->getIsActive() ? $this->_transaction : null; |
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} |
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/** |
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* Starts a transaction. |
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* @param string|null $isolationLevel The isolation level to use for this transaction. |
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* See [[Transaction::begin()]] for details. |
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* @return Transaction the transaction initiated |
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*/ |
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public function beginTransaction($isolationLevel = null) |
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{ |
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$this->open(); |
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if (($transaction = $this->getTransaction()) === null) { |
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$transaction = $this->_transaction = new Transaction(['db' => $this]); |
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} |
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$transaction->begin($isolationLevel); |
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return $transaction; |
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} |
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public function close() |
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{ |
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if ($this->pdo !== null) { |
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$this->_transaction = null; |
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} |
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parent::close(); |
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} |
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public function init() |
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{ |
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parent::init(); |
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if ($this->firebird_version) { |
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return; |
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} |
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$pdo = $this->createPdoInstance(); |
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$server_version = $pdo->getAttribute(\PDO::ATTR_SERVER_VERSION); |
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if (preg_match('/\w{2}-[TV](\d+\.\d+\.\d+).*remote server/', $server_version, $matches)) { |
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$this->firebird_version = $matches[1]; |
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} |
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} |
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} |
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