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<?php |
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namespace vakata\database; |
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use \vakata\database\schema\Table; |
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use \vakata\database\schema\TableQuery; |
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abstract class DriverAbstract implements DriverInterface |
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{ |
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protected $connection; |
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protected function expand(string $sql, $par = null) : array |
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{ |
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$new = ''; |
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$par = array_values($par); |
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if (substr_count($sql, '?') === 2 && !is_array($par[0])) { |
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$par = [ $par ]; |
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} |
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$parts = explode('??', $sql); |
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$index = 0; |
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foreach ($parts as $part) { |
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$tmp = explode('?', $part); |
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$new .= $part; |
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$index += count($tmp) - 1; |
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if (isset($par[$index])) { |
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if (!is_array($par[$index])) { |
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$par[$index] = [ $par[$index] ]; |
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} |
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$params = $par[$index]; |
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array_splice($par, $index, 1, $params); |
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$index += count($params); |
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$new .= implode(',', array_fill(0, count($params), '?')); |
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} |
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} |
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return [ $new, $par ]; |
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} |
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/** |
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* Run a query (prepare & execute). |
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* @param string $sql SQL query |
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* @param mixed $par parameters (optional) |
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* @return ResultInterface the result of the execution |
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*/ |
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public function query(string $sql, $par = null, bool $buff = true) : ResultInterface |
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{ |
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$par = isset($par) ? (is_array($par) ? $par : [$par]) : []; |
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if (strpos($sql, '??') && count($par)) { |
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list($sql, $par) = $this->expand($sql, $par); |
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} |
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return $this->prepare($sql)->execute($par, $buff); |
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} |
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public function name() : string |
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{ |
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return $this->connection['name']; |
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} |
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public function option(string $key, $default = null) |
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{ |
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return isset($this->connection['opts'][$key]) ? $this->connection['opts'][$key] : $default; |
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} |
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public function begin() : bool |
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{ |
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$this->connect(); |
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try { |
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$this->query("START TRANSACTION"); |
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return true; |
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} catch (DBException $e) { |
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return false; |
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} |
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} |
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public function commit() : bool |
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{ |
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try { |
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$this->query("COMMIT"); |
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return true; |
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} catch (DBException $e) { |
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return false; |
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} |
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} |
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public function rollback() : bool |
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{ |
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try { |
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$this->query("ROLLBACK"); |
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return true; |
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} catch (DBException $e) { |
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return false; |
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} |
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} |
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public function raw(string $sql) |
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{ |
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return $this->query($sql); |
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} |
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abstract public function connect(); |
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abstract public function prepare(string $sql) : StatementInterface; |
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abstract public function test() : bool; |
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public function disconnect() |
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{ |
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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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throw new DBException('Not supported'); |
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} |
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public function tables() : array |
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{ |
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throw new DBException('Not supported'); |
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} |
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} |
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vakata /
database
