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<?php |
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namespace vakata\database\driver\oracle; |
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use \vakata\database\DBException; |
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use \vakata\database\DriverInterface; |
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use \vakata\database\DriverAbstract; |
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use \vakata\database\StatementInterface; |
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use \vakata\database\schema\Table; |
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use \vakata\database\schema\TableRelation; |
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use \vakata\collection\Collection; |
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class Driver extends DriverAbstract implements DriverInterface |
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{ |
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use Schema; |
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protected $lnk = null; |
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protected $transaction = false; |
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public function __construct(array $connection) |
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{ |
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$this->connection = $connection; |
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} |
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public function __destruct() |
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{ |
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$this->disconnect(); |
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} |
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protected function connect() |
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{ |
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if ($this->lnk === null) { |
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$this->lnk = @call_user_func( |
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$this->option('persist') ? '\oci_pconnect' : '\oci_connect', |
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$this->connection['user'], |
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$this->connection['pass'], |
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$this->connection['host'], |
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$this->option('charset', 'utf8') |
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); |
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if ($this->lnk === false) { |
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throw new DBException('Connect error'); |
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} |
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$this->query("ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS'"); |
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if ($timezone = $this->option('timezone')) { |
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$this->query("ALTER session SET time_zone = '".addslashes($timezone)."'"); |
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} |
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} |
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} |
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public function test() : bool |
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{ |
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if ($this->lnk) { |
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return true; |
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} |
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try { |
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@$this->connect(); |
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return true; |
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} catch (\Exception $e) { |
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$this->lnk = null; |
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return false; |
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} |
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} |
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protected function disconnect() |
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{ |
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if ($this->lnk !== null && $this->lnk !== false) { |
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\oci_close($this->lnk); |
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} |
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} |
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public function prepare(string $sql) : StatementInterface |
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{ |
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$this->connect(); |
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$binder = '?'; |
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if (strpos($sql, $binder) !== false) { |
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$tmp = explode($binder, $sql); |
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$sql = ''; |
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foreach ($tmp as $i => $v) { |
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$sql .= $v; |
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if (isset($tmp[($i + 1)])) { |
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$sql .= ':f'.$i; |
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} |
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} |
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} |
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$temp = \oci_parse($this->lnk, $sql); |
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if (!$temp) { |
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$err = \oci_error(); |
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if (!is_array($err)) { |
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$err = []; |
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} |
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throw new DBException('Could not prepare : '.implode(', ', $err).' <'.$sql.'>'); |
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} |
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return new Statement($temp, $this); |
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} |
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public function begin() : bool |
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{ |
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return $this->transaction = true; |
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} |
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public function commit() : bool |
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{ |
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$this->connect(); |
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if (!$this->transaction) { |
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return false; |
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} |
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if (!\oci_commit($this->lnk)) { |
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return false; |
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} |
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$this->transaction = false; |
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return true; |
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} |
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public function rollback() : bool |
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{ |
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$this->connect(); |
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if (!$this->transaction) { |
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return false; |
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} |
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if (!\oci_rollback($this->lnk)) { |
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return false; |
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} |
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$this->transaction = false; |
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return true; |
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} |
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public function isTransaction() |
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{ |
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return $this->transaction; |
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} |
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public function lob() |
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{ |
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return \oci_new_descriptor($this->lnk, \OCI_D_LOB); |
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} |
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} |
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vakata /
database
