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<?php |
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/** |
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* @author Jared King <[email protected]> |
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* |
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* @see http://jaredtking.com |
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* |
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* @copyright 2015 Jared King |
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* @license MIT |
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*/ |
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namespace JAQB; |
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use PDO; |
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class QueryBuilder |
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{ |
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/** |
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* @var PDO |
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*/ |
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protected $pdo; |
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/** |
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* @param PDO $pdo |
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*/ |
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public function __construct(PDO $pdo = null) |
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{ |
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$this->pdo = $pdo; |
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} |
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/** |
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* Returns the PDO instance. |
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* |
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* @return PDO |
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*/ |
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public function getPDO() |
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{ |
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return $this->pdo; |
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} |
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/** |
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* Creates a SELECT query. |
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* |
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* @param string|array $fields select fields |
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* |
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* @return \JAQB\Query\SelectQuery |
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*/ |
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public function select($fields = '*') |
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{ |
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$query = new Query\SelectQuery(); |
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if ($this->pdo) { |
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$query->setPDO($this->pdo); |
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} |
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return $query->select($fields); |
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} |
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/** |
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* Creates an INSERT query. |
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* |
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* @param array $values insert values |
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* |
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* @return \JAQB\Query\InsertQuery |
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*/ |
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public function insert(array $values) |
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{ |
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$query = new Query\InsertQuery(); |
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if ($this->pdo) { |
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$query->setPDO($this->pdo); |
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} |
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return $query->values($values); |
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} |
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/** |
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* Creates an UPDATE query. |
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* |
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* @param string $table update table |
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* |
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* @return \JAQB\Query\UpdateQuery |
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*/ |
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public function update($table) |
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{ |
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$query = new Query\UpdateQuery(); |
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if ($this->pdo) { |
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$query->setPDO($this->pdo); |
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} |
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return $query->table($table); |
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} |
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/** |
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* Creates a DELETE query. |
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* |
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* @param string $from delete table |
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* |
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* @return \JAQB\Query\DeleteQuery |
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*/ |
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public function delete($from) |
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{ |
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$query = new Query\DeleteQuery(); |
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if ($this->pdo) { |
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$query->setPDO($this->pdo); |
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} |
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return $query->from($from); |
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} |
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/** |
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* Creates a raw SQL query. |
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* |
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* @param string $sql SQL statement |
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* |
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* @return \JAQB\Query\SqlQuery |
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*/ |
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public function raw($sql) |
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{ |
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$query = new Query\SqlQuery(); |
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if ($this->pdo) { |
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$query->setPDO($this->pdo); |
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} |
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return $query->raw($sql); |
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} |
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/** |
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* Starts a transaction. |
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* |
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* @return bool |
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*/ |
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public function beginTransaction() |
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{ |
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return $this->pdo->beginTransaction(); |
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} |
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/** |
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* Commits the transaction. |
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* |
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* @return bool |
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*/ |
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public function commit() |
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{ |
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return $this->pdo->commit(); |
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} |
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/** |
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* Rolls back the transaction. |
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* |
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* @return bool |
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*/ |
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public function rollBack() |
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{ |
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return $this->pdo->rollBack(); |
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} |
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/** |
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* Checks if the query is in a transaction. |
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* |
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* @return bool |
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*/ |
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public function inTransaction() |
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{ |
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return $this->pdo->inTransaction(); |
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} |
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/** |
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* Gets the last inserted ID. |
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* |
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* @return mixed |
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*/ |
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public function lastInsertId() |
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{ |
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return $this->pdo->lastInsertId(); |
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} |
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} |
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