2012-05-03 15:06:08 +04:00
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<?php
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/**
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2015-02-26 13:37:37 +03:00
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* ownCloud
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2013-11-03 16:51:39 +04:00
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*
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2015-02-26 13:37:37 +03:00
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* @author Frank Karlitschek
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* @copyright 2012 Frank Karlitschek frank@owncloud.org
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2013-11-03 16:51:39 +04:00
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*
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2015-02-26 13:37:37 +03:00
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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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2013-11-03 16:51:39 +04:00
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*
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2015-02-26 13:37:37 +03:00
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* This library is distributed in the hope that it will be useful,
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2013-11-03 16:51:39 +04:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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2015-02-26 13:37:37 +03:00
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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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2013-11-03 16:51:39 +04:00
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*
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2015-02-26 13:37:37 +03:00
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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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2013-11-03 16:51:39 +04:00
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*
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*/
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2015-02-26 13:37:37 +03:00
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/**
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* Public interface of ownCloud for apps to use.
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* DB Class
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*
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*/
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2012-08-29 10:38:33 +04:00
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// use OCP namespace for all classes that are considered public.
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2012-05-03 15:06:08 +04:00
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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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2012-05-19 12:36:57 +04:00
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/**
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* This class provides access to the internal database system. Use this class exlusively if you want to access databases
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*/
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2012-05-03 15:06:08 +04:00
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class DB {
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/**
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2013-10-17 02:07:29 +04:00
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* Prepare a SQL query
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2012-12-25 21:17:32 +04:00
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* @param string $query Query string
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2013-11-25 17:06:25 +04:00
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* @param int $limit Limit of the SQL statement
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* @param int $offset Offset of the SQL statement
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2014-02-06 19:30:58 +04:00
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* @return \OC_DB_StatementWrapper prepared SQL query
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2012-05-03 15:06:08 +04:00
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*
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2013-12-19 03:32:46 +04:00
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* SQL query via Doctrine prepare(), needs to be execute()'d!
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2012-05-03 15:06:08 +04:00
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*/
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2012-09-07 17:22:01 +04:00
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static public function prepare( $query, $limit=null, $offset=null ) {
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2012-11-02 22:53:02 +04:00
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return(\OC_DB::prepare($query, $limit, $offset));
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2012-05-03 15:06:08 +04:00
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}
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2012-09-17 18:01:25 +04:00
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/**
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2013-10-17 02:07:29 +04:00
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* Insert a row if a matching row doesn't exists.
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2014-02-08 14:47:55 +04:00
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* @param string $table The optional table name (will replace *PREFIX*) and add sequence suffix
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2014-05-12 00:51:30 +04:00
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* @param array $input
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2013-01-14 23:30:39 +04:00
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*
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* The input array if in the form:
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*
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2012-09-17 18:01:25 +04:00
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* array ( 'id' => array ( 'value' => 6,
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* 'key' => true
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* ),
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* 'name' => array ('value' => 'Stoyan'),
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* 'family' => array ('value' => 'Stefanov'),
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* 'birth_date' => array ('value' => '1975-06-20')
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* );
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* @return bool
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2012-09-17 18:01:25 +04:00
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*
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*/
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public static function insertIfNotExist($table, $input) {
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return(\OC_DB::insertIfNotExist($table, $input));
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}
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2013-01-14 23:30:39 +04:00
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2012-05-03 15:06:08 +04:00
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/**
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2013-10-17 02:07:29 +04:00
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* Gets last value of autoincrement
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2014-02-08 14:47:55 +04:00
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* @param string $table The optional table name (will replace *PREFIX*) and add sequence suffix
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2014-02-06 19:30:58 +04:00
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* @return string
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2012-05-03 15:06:08 +04:00
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*
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2013-12-19 03:32:46 +04:00
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* \Doctrine\DBAL\Connection lastInsertID()
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2012-05-03 15:06:08 +04:00
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*
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* Call this method right after the insert command or other functions may
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* cause trouble!
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*/
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2012-09-07 17:22:01 +04:00
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public static function insertid($table=null) {
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2012-05-03 15:06:08 +04:00
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return(\OC_DB::insertid($table));
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}
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/**
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2013-10-17 02:07:29 +04:00
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* Start a transaction
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2012-05-03 15:06:08 +04:00
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*/
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2012-09-07 17:22:01 +04:00
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public static function beginTransaction() {
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2013-12-19 03:33:29 +04:00
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\OC_DB::beginTransaction();
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2012-05-03 15:06:08 +04:00
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}
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/**
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2013-10-17 02:07:29 +04:00
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* Commit the database changes done during a transaction that is in progress
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2012-05-03 15:06:08 +04:00
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*/
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2012-09-07 17:22:01 +04:00
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public static function commit() {
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2013-12-19 03:33:29 +04:00
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\OC_DB::commit();
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2012-05-03 15:06:08 +04:00
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}
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2014-10-24 20:44:06 +04:00
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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 static function rollback() {
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\OC_DB::rollback();
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}
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2012-05-03 15:06:08 +04:00
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/**
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2013-12-19 03:32:46 +04:00
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* Check if a result is an error, works with Doctrine
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2012-05-03 15:06:08 +04:00
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* @param mixed $result
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* @return bool
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*/
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2012-09-07 17:22:01 +04:00
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public static function isError($result) {
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return(\OC_DB::isError($result));
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}
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2013-09-16 04:17:39 +04:00
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/**
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* returns the error code and message as a string for logging
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* works with DoctrineException
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* @param mixed $error
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* @return string
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*/
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public static function getErrorMessage($error) {
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return(\OC_DB::getErrorMessage($error));
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}
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2012-05-03 15:06:08 +04:00
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}
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