nextcloud/lib/private/db/adaptersqlite.php

93 lines
3.0 KiB
PHP

<?php
/**
* @author Arthur Schiwon <blizzz@owncloud.com>
* @author Bart Visscher <bartv@thisnet.nl>
* @author Robin Appelman <icewind@owncloud.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* 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.
*
* This program 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\DB;
class AdapterSqlite extends Adapter {
public function fixupStatement($statement) {
$statement = preg_replace('/`(\w+)` ILIKE \?/', 'LOWER($1) LIKE LOWER(?)', $statement);
$statement = str_replace( '`', '"', $statement );
$statement = str_ireplace( 'NOW()', 'datetime(\'now\')', $statement );
$statement = str_ireplace( 'UNIX_TIMESTAMP()', 'strftime(\'%s\',\'now\')', $statement );
return $statement;
}
public function insertIfNotExist($table, $input) {
// NOTE: For SQLite we have to use this clumsy approach
// otherwise all fieldnames used must have a unique key.
$query = 'SELECT COUNT(*) FROM `' . $table . '` WHERE ';
$inserts = array();
foreach ($input as $key => $value) {
$query .= '`' . $key . '`';
if (is_null($value)) {
$query .= ' IS NULL AND ';
} else {
$inserts[] = $value;
$query .= ' = ? AND ';
}
}
$query = substr($query, 0, strlen($query) - 5);
try {
$stmt = $this->conn->prepare($query);
$result = $stmt->execute($inserts);
} catch(\Doctrine\DBAL\DBALException $e) {
$entry = 'DB Error: "'.$e->getMessage() . '"<br />';
$entry .= 'Offending command was: ' . $query . '<br />';
\OC_Log::write('core', $entry, \OC_Log::FATAL);
$l = \OC::$server->getL10N('lib');
throw new \OC\HintException(
$l->t('Database Error'),
$l->t('Please contact your system administrator.'),
0,
$e
);
}
if ($stmt->fetchColumn() === '0') {
$query = 'INSERT INTO `' . $table . '` (`'
. implode('`,`', array_keys($input)) . '`) VALUES('
. str_repeat('?,', count($input)-1).'? ' . ')';
} else {
return 0; //no rows updated
}
try {
$statement = $this->conn->prepare($query);
$result = $statement->execute(array_values($input));
} catch(\Doctrine\DBAL\DBALException $e) {
$entry = 'DB Error: "'.$e->getMessage() . '"<br />';
$entry .= 'Offending command was: ' . $query.'<br />';
\OC_Log::write('core', $entry, \OC_Log::FATAL);
$l = \OC::$server->getL10N('lib');
throw new \OC\HintException(
$l->t('Database Error'),
$l->t('Please contact your system administrator.'),
0,
$e
);
}
return $result;
}
}