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<?php |
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namespace vakata\database\driver\pdo; |
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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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class Driver extends DriverAbstract implements DriverInterface |
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{ |
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use \vakata\database\driver\mysql\Schema, |
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\vakata\database\driver\oracle\Schema, |
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\vakata\database\driver\postgre\Schema |
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{ |
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\vakata\database\driver\mysql\Schema::table as mtable; |
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\vakata\database\driver\mysql\Schema::tables as mtables; |
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\vakata\database\driver\oracle\Schema::table as otable; |
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\vakata\database\driver\oracle\Schema::tables as otables; |
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\vakata\database\driver\postgre\Schema::table as ptable; |
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\vakata\database\driver\postgre\Schema::tables as ptables; |
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} |
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protected $lnk = null; |
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protected $drv = null; |
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public function __construct(array $connection) |
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{ |
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$temp = explode('://', $connection['orig'], 2)[1]; |
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$temp = array_pad(explode('?', $temp, 2), 2, ''); |
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$connection = []; |
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parse_str($temp[1], $connection['opts']); |
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$temp = $temp[0]; |
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if (strpos($temp, '@') !== false) { |
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$temp = array_pad(explode('@', $temp, 2), 2, ''); |
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list($connection['user'], $connection['pass']) = array_pad(explode(':', $temp[0], 2), 2, ''); |
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$temp = $temp[1]; |
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} |
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$connection['dsn'] = $temp; |
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$connection['name'] = ''; |
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$this->drv = explode(':', $temp)[0]; |
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$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 ($this->lnk === null) { |
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try { |
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$this->lnk = new \PDO( |
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$this->connection['dsn'], |
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isset($this->connection['user']) ? $this->connection['user'] : '', |
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isset($this->connection['pass']) ? $this->connection['pass'] : '', |
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isset($this->connection['opts']) ? $this->connection['opts'] : [] |
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); |
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} catch (\PDOException $e) { |
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throw new DBException('Connect error: ' . $e->getMessage()); |
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} |
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} |
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} |
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public function test() : bool |
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{ |
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if ($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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$this->lnk = null; |
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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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try { |
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return new Statement($this->lnk->prepare($sql), $this->lnk); |
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} catch (\PDOException $e) { |
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throw new DBException($e->getMessage()); |
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} |
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} |
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public function begin() : bool |
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{ |
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$this->connect(); |
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return $this->lnk->beginTransaction(); |
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} |
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public function commit() : bool |
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{ |
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$this->connect(); |
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return $this->lnk->commit(); |
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} |
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public function rollback() : bool |
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{ |
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$this->connect(); |
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return $this->lnk->rollback(); |
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} |
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public function table(string $table, bool $detectRelations = true) : Table |
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{ |
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switch ($this->drv) { |
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case 'mysql': |
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return $this->mtable($table, $detectRelations); |
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case 'oci': |
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return $this->otable($table, $detectRelations); |
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case 'pgsql': |
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return $this->ptable($table, $detectRelations); |
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default: |
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return parent::table($table, $detectRelations); |
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} |
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} |
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public function tables() : array |
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{ |
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switch ($this->drv) { |
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case 'mysql': |
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return $this->mtables(); |
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case 'oci': |
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return $this->otables(); |
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case 'pgsql': |
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return $this->ptables(); |
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default: |
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return parent::tables(); |
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} |
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} |
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} |
vakata /
database
If you suppress an error, we recommend checking for the error condition explicitly: