2013-09-20 16:33:45 +04:00
|
|
|
<?php
|
|
|
|
/**
|
2016-07-21 18:07:57 +03:00
|
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
|
|
*
|
2015-03-26 13:44:34 +03:00
|
|
|
* @author Bart Visscher <bartv@thisnet.nl>
|
2016-07-21 18:07:57 +03:00
|
|
|
* @author Joas Schilling <coding@schilljs.com>
|
2015-03-26 13:44:34 +03:00
|
|
|
* @author Morris Jobke <hey@morrisjobke.de>
|
2016-07-21 19:13:36 +03:00
|
|
|
* @author Robin Appelman <robin@icewind.nl>
|
2016-03-01 19:25:15 +03:00
|
|
|
* @author Robin McCorkell <robin@mccorkell.me.uk>
|
2017-11-06 17:56:42 +03:00
|
|
|
* @author Roeland Jago Douma <roeland@famdouma.nl>
|
2015-03-26 13:44:34 +03:00
|
|
|
* @author Thomas Müller <thomas.mueller@tmit.eu>
|
2013-11-03 16:51:39 +04:00
|
|
|
*
|
2015-03-26 13:44:34 +03:00
|
|
|
* @license AGPL-3.0
|
2013-11-03 16:51:39 +04:00
|
|
|
*
|
2015-03-26 13:44:34 +03:00
|
|
|
* This code is free software: you can redistribute it and/or modify
|
|
|
|
* it under the terms of the GNU Affero General Public License, version 3,
|
|
|
|
* as published by the Free Software Foundation.
|
2013-11-03 16:51:39 +04:00
|
|
|
*
|
2015-03-26 13:44:34 +03:00
|
|
|
* This program is distributed in the hope that it will be useful,
|
2013-11-03 16:51:39 +04:00
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
2015-03-26 13:44:34 +03:00
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
* GNU Affero General Public License for more details.
|
2013-11-03 16:51:39 +04:00
|
|
|
*
|
2015-03-26 13:44:34 +03:00
|
|
|
* You should have received a copy of the GNU Affero General Public License, version 3,
|
|
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
2013-10-17 02:07:29 +04:00
|
|
|
*
|
2013-09-20 16:33:45 +04:00
|
|
|
*/
|
2015-02-26 13:37:37 +03:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Public interface of ownCloud for apps to use.
|
|
|
|
* DBConnection interface
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
|
2013-11-03 16:38:25 +04:00
|
|
|
// 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
|
2013-09-20 16:33:45 +04:00
|
|
|
namespace OCP;
|
2017-06-01 17:56:34 +03:00
|
|
|
use Doctrine\DBAL\Schema\Schema;
|
2016-02-29 11:44:40 +03:00
|
|
|
use OCP\DB\QueryBuilder\IQueryBuilder;
|
2013-09-20 16:33:45 +04:00
|
|
|
|
|
|
|
/**
|
2015-04-16 18:00:08 +03:00
|
|
|
* Interface IDBConnection
|
|
|
|
*
|
|
|
|
* @package OCP
|
|
|
|
* @since 6.0.0
|
2013-09-20 16:33:45 +04:00
|
|
|
*/
|
|
|
|
interface IDBConnection {
|
2018-05-24 11:37:33 +03:00
|
|
|
|
|
|
|
const ADD_MISSING_INDEXES_EVENT = self::class . '::ADD_MISSING_INDEXES';
|
2018-06-04 17:20:01 +03:00
|
|
|
const CHECK_MISSING_INDEXES_EVENT = self::class . '::CHECK_MISSING_INDEXES';
|
2018-05-24 11:37:33 +03:00
|
|
|
|
2015-07-06 13:00:01 +03:00
|
|
|
/**
|
|
|
|
* Gets the QueryBuilder for the connection.
|
|
|
|
*
|
2015-07-07 18:30:26 +03:00
|
|
|
* @return \OCP\DB\QueryBuilder\IQueryBuilder
|
2015-07-06 13:00:01 +03:00
|
|
|
* @since 8.2.0
|
|
|
|
*/
|
|
|
|
public function getQueryBuilder();
|
|
|
|
|
2013-09-20 16:33:45 +04:00
|
|
|
/**
|
2015-02-25 14:36:05 +03:00
|
|
|
* Used to abstract the ownCloud database access away
|
2013-09-20 16:33:45 +04:00
|
|
|
* @param string $sql the sql query with ? placeholder for params
|
|
|
|
* @param int $limit the maximum number of rows
|
|
|
|
* @param int $offset from which row we want to start
|
|
|
|
* @return \Doctrine\DBAL\Driver\Statement The prepared statement.
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 6.0.0
|
2013-09-20 16:33:45 +04:00
|
|
|
*/
|
|
|
|
public function prepare($sql, $limit=null, $offset=null);
|
|
|
|
|
2014-09-10 15:07:51 +04:00
|
|
|
/**
|
|
|
|
* 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 $types The types the previous parameters are in.
|
|
|
|
* @return \Doctrine\DBAL\Driver\Statement The executed statement.
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 8.0.0
|
2014-09-10 15:07:51 +04:00
|
|
|
*/
|
|
|
|
public function executeQuery($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 $types The parameter types.
|
|
|
|
* @return integer The number of affected rows.
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 8.0.0
|
2014-09-10 15:07:51 +04:00
|
|
|
*/
|
|
|
|
public function executeUpdate($query, array $params = array(), array $types = array());
|
|
|
|
|
2013-09-20 16:33:45 +04:00
|
|
|
/**
|
|
|
|
* Used to get the id of the just inserted element
|
2013-11-25 19:42:28 +04:00
|
|
|
* @param string $table the name of the table where we inserted the item
|
2013-09-20 16:33:45 +04:00
|
|
|
* @return int the id of the inserted element
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 6.0.0
|
2013-09-20 16:33:45 +04:00
|
|
|
*/
|
|
|
|
public function lastInsertId($table = null);
|
|
|
|
|
|
|
|
/**
|
2018-11-09 12:35:12 +03:00
|
|
|
* Insert a row if the matching row does not exists. To accomplish proper race condition avoidance
|
|
|
|
* it is needed that there is also a unique constraint on the values. Then this method will
|
|
|
|
* catch the exception and return 0.
|
2013-09-20 16:33:45 +04:00
|
|
|
*
|
2015-03-11 11:00:47 +03:00
|
|
|
* @param string $table The table name (will replace *PREFIX* with the actual prefix)
|
|
|
|
* @param array $input data that should be inserted into the table (column name => value)
|
|
|
|
* @param array|null $compare List of values that should be checked for "if not exists"
|
|
|
|
* If this is null or an empty array, all keys of $input will be compared
|
2015-03-16 17:41:00 +03:00
|
|
|
* Please note: text fields (clob) must not be used in the compare array
|
2015-03-11 11:00:47 +03:00
|
|
|
* @return int number of inserted rows
|
|
|
|
* @throws \Doctrine\DBAL\DBALException
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 6.0.0 - parameter $compare was added in 8.1.0, return type changed from boolean in 8.1.0
|
2018-11-09 14:13:30 +03:00
|
|
|
* @deprecated 15.0.0 - use unique index and "try { $db->insert() } catch (UniqueConstraintViolationException $e) {}" instead, because it is more reliable and does not have the risk for deadlocks - see https://github.com/nextcloud/server/pull/12371
|
2013-09-20 16:33:45 +04:00
|
|
|
*/
|
2015-03-11 11:00:47 +03:00
|
|
|
public function insertIfNotExist($table, $input, array $compare = null);
|
2013-09-20 16:33:45 +04:00
|
|
|
|
2019-02-26 18:27:25 +03:00
|
|
|
|
|
|
|
/**
|
|
|
|
*
|
|
|
|
* Insert a row if the row does not exist. Eventual conflicts during insert will be ignored.
|
|
|
|
*
|
|
|
|
* Implementation is not fully finished and should not be used!
|
|
|
|
*
|
|
|
|
* @param string $table The table name (will replace *PREFIX* with the actual prefix)
|
|
|
|
* @param array $input data that should be inserted into the table (column name => value)
|
|
|
|
* @return int number of inserted rows
|
|
|
|
* @since 17.0.0
|
|
|
|
*/
|
|
|
|
public function insertIgnoreConflict($table, $input) : int;
|
|
|
|
|
2015-08-24 15:21:09 +03:00
|
|
|
/**
|
|
|
|
* Insert or update a row value
|
|
|
|
*
|
|
|
|
* @param string $table
|
|
|
|
* @param array $keys (column name => value)
|
|
|
|
* @param array $values (column name => value)
|
|
|
|
* @param array $updatePreconditionValues ensure values match preconditions (column name => value)
|
|
|
|
* @return int number of new rows
|
|
|
|
* @throws \Doctrine\DBAL\DBALException
|
|
|
|
* @throws PreconditionNotMetException
|
|
|
|
* @since 9.0.0
|
|
|
|
*/
|
|
|
|
public function setValues($table, array $keys, array $values, array $updatePreconditionValues = []);
|
|
|
|
|
2016-05-19 13:34:40 +03:00
|
|
|
/**
|
|
|
|
* Create an exclusive read+write lock on a table
|
|
|
|
*
|
|
|
|
* Important Note: Due to the nature how locks work on different DBs, it is
|
|
|
|
* only possible to lock one table at a time. You should also NOT start a
|
|
|
|
* transaction while holding a lock.
|
|
|
|
*
|
|
|
|
* @param string $tableName
|
|
|
|
* @since 9.1.0
|
|
|
|
*/
|
|
|
|
public function lockTable($tableName);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Release a previous acquired lock again
|
|
|
|
*
|
|
|
|
* @since 9.1.0
|
|
|
|
*/
|
|
|
|
public function unlockTable();
|
|
|
|
|
2013-09-20 16:33:45 +04:00
|
|
|
/**
|
2013-10-17 02:07:29 +04:00
|
|
|
* Start a transaction
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 6.0.0
|
2013-09-20 16:33:45 +04:00
|
|
|
*/
|
|
|
|
public function beginTransaction();
|
|
|
|
|
2015-08-10 15:15:44 +03:00
|
|
|
/**
|
|
|
|
* Check if a transaction is active
|
|
|
|
*
|
|
|
|
* @return bool
|
|
|
|
* @since 8.2.0
|
|
|
|
*/
|
|
|
|
public function inTransaction();
|
|
|
|
|
2013-09-20 16:33:45 +04:00
|
|
|
/**
|
2013-10-17 02:07:29 +04:00
|
|
|
* Commit the database changes done during a transaction that is in progress
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 6.0.0
|
2013-09-20 16:33:45 +04:00
|
|
|
*/
|
|
|
|
public function commit();
|
|
|
|
|
|
|
|
/**
|
2013-10-17 02:07:29 +04:00
|
|
|
* Rollback the database changes done during a transaction that is in progress
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 6.0.0
|
2013-09-20 16:33:45 +04:00
|
|
|
*/
|
|
|
|
public function rollBack();
|
|
|
|
|
|
|
|
/**
|
2013-10-17 02:07:29 +04:00
|
|
|
* Gets the error code and message as a string for logging
|
2013-09-20 16:33:45 +04:00
|
|
|
* @return string
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 6.0.0
|
2013-09-20 16:33:45 +04:00
|
|
|
*/
|
|
|
|
public function getError();
|
2014-09-10 15:07:51 +04:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Fetch the SQLSTATE associated with the last database operation.
|
|
|
|
*
|
|
|
|
* @return integer The last error code.
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 8.0.0
|
2014-09-10 15:07:51 +04:00
|
|
|
*/
|
|
|
|
public function errorCode();
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Fetch extended error information associated with the last database operation.
|
|
|
|
*
|
|
|
|
* @return array The last error information.
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 8.0.0
|
2014-09-10 15:07:51 +04:00
|
|
|
*/
|
|
|
|
public function errorInfo();
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Establishes the connection with the database.
|
|
|
|
*
|
|
|
|
* @return bool
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 8.0.0
|
2014-09-10 15:07:51 +04:00
|
|
|
*/
|
|
|
|
public function connect();
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Close the database connection
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 8.0.0
|
2014-09-10 15:07:51 +04:00
|
|
|
*/
|
|
|
|
public function close();
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Quotes a given input parameter.
|
|
|
|
*
|
|
|
|
* @param mixed $input Parameter to be quoted.
|
|
|
|
* @param int $type Type of the parameter.
|
|
|
|
* @return string The quoted parameter.
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 8.0.0
|
2014-09-10 15:07:51 +04:00
|
|
|
*/
|
2016-02-29 11:44:40 +03:00
|
|
|
public function quote($input, $type = IQueryBuilder::PARAM_STR);
|
2014-09-10 15:33:59 +04:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Gets the DatabasePlatform instance that provides all the metadata about
|
|
|
|
* the platform this driver connects to.
|
|
|
|
*
|
|
|
|
* @return \Doctrine\DBAL\Platforms\AbstractPlatform The database platform.
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 8.0.0
|
2014-09-10 15:33:59 +04:00
|
|
|
*/
|
|
|
|
public function getDatabasePlatform();
|
2014-12-08 16:35:57 +03:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Drop a table from the database if it exists
|
|
|
|
*
|
2014-12-08 20:00:42 +03:00
|
|
|
* @param string $table table name without the prefix
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 8.0.0
|
2014-12-08 16:35:57 +03:00
|
|
|
*/
|
|
|
|
public function dropTable($table);
|
2014-12-08 20:00:42 +03:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Check if a table exists
|
|
|
|
*
|
|
|
|
* @param string $table table name without the prefix
|
|
|
|
* @return bool
|
2015-04-16 18:00:08 +03:00
|
|
|
* @since 8.0.0
|
2014-12-08 20:00:42 +03:00
|
|
|
*/
|
|
|
|
public function tableExists($table);
|
2015-11-05 18:31:56 +03:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Escape a parameter to be used in a LIKE query
|
|
|
|
*
|
|
|
|
* @param string $param
|
|
|
|
* @return string
|
|
|
|
* @since 9.0.0
|
|
|
|
*/
|
|
|
|
public function escapeLikeParameter($param);
|
2016-10-20 15:26:09 +03:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Check whether or not the current database support 4byte wide unicode
|
|
|
|
*
|
|
|
|
* @return bool
|
2016-11-15 20:51:52 +03:00
|
|
|
* @since 11.0.0
|
2016-10-20 15:26:09 +03:00
|
|
|
*/
|
|
|
|
public function supports4ByteText();
|
2017-06-01 17:56:34 +03:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Create the schema of the connected database
|
|
|
|
*
|
|
|
|
* @return Schema
|
|
|
|
* @since 13.0.0
|
|
|
|
*/
|
|
|
|
public function createSchema();
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Migrate the database to the given schema
|
|
|
|
*
|
|
|
|
* @param Schema $toSchema
|
|
|
|
* @since 13.0.0
|
|
|
|
*/
|
|
|
|
public function migrateToSchema(Schema $toSchema);
|
2013-09-20 16:33:45 +04:00
|
|
|
}
|