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<?php
/**
* ownCloud
*
* @author Bart Visscher
* @copyright 2013 Bart Visscher bartv@thisnet.nl
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* Public interface of ownCloud for apps to use.
* DBConnection interface
*
*/
// use OCP namespace for all classes that are considered public.
// This means that they should be used by apps instead of the internal ownCloud classes
namespace OCP;
/**
* TODO: Description
*/
interface IDBConnection {
/**
* Used to abstract the owncloud database access away
* @param string $sql the sql query with ? placeholder for params
* @param int $limit the maximum number of rows
* @param int $offset from which row we want to start
* @return \Doctrine\DBAL\Driver\Statement The prepared statement.
*/
public function prepare($sql, $limit=null, $offset=null);
/**
* Executes an, optionally parameterized, SQL query.
*
* If the query is parameterized, a prepared statement is used.
* If an SQLLogger is configured, the execution is logged.
*
* @param string $query The SQL query to execute.
* @param string[] $params The parameters to bind to the query, if any.
* @param array $types The types the previous parameters are in.
* @return \Doctrine\DBAL\Driver\Statement The executed statement.
*/
public function executeQuery($query, array $params = array(), $types = array());
/**
* Executes an SQL INSERT/UPDATE/DELETE query with the given parameters
* and returns the number of affected rows.
*
* This method supports PDO binding types as well as DBAL mapping types.
*
* @param string $query The SQL query.
* @param array $params The query parameters.
* @param array $types The parameter types.
* @return integer The number of affected rows.
*/
public function executeUpdate($query, array $params = array(), array $types = array());
/**
* Used to get the id of the just inserted element
* @param string $table the name of the table where we inserted the item
* @return int the id of the inserted element
*/
public function lastInsertId($table = null);
/**
* Insert a row if a matching row doesn't exists.
* @param string $table The table name (will replace *PREFIX*) to perform the replace on.
* @param array $input
* @throws \OC\HintException
*
* The input array if in the form:
*
* array ( 'id' => array ( 'value' => 6,
* 'key' => true
* ),
* 'name' => array ('value' => 'Stoyan'),
* 'family' => array ('value' => 'Stefanov'),
* 'birth_date' => array ('value' => '1975-06-20')
* );
* @return bool
*
*/
public function insertIfNotExist($table, $input);
/**
* Start a transaction
*/
public function beginTransaction();
/**
* Commit the database changes done during a transaction that is in progress
*/
public function commit();
/**
* Rollback the database changes done during a transaction that is in progress
*/
public function rollBack();
/**
* Gets the error code and message as a string for logging
* @return string
*/
public function getError();
/**
* Fetch the SQLSTATE associated with the last database operation.
*
* @return integer The last error code.
*/
public function errorCode();
/**
* Fetch extended error information associated with the last database operation.
*
* @return array The last error information.
*/
public function errorInfo();
/**
* Establishes the connection with the database.
*
* @return bool
*/
public function connect();
/**
* Close the database connection
*/
public function close();
/**
* Quotes a given input parameter.
*
* @param mixed $input Parameter to be quoted.
* @param int $type Type of the parameter.
* @return string The quoted parameter.
*/
public function quote($input, $type = \PDO::PARAM_STR);
/**
* Gets the DatabasePlatform instance that provides all the metadata about
* the platform this driver connects to.
*
* @return \Doctrine\DBAL\Platforms\AbstractPlatform The database platform.
*/
public function getDatabasePlatform();
/**
* Drop a table from the database if it exists
*
* @param string $table table name without the prefix
*/
public function dropTable($table);
/**
* Check if a table exists
*
* @param string $table table name without the prefix
* @return bool
*/
public function tableExists($table);
}
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