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