74 lines
2.7 KiB
PHP
74 lines
2.7 KiB
PHP
<?php
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/**
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* @author Bart Visscher <bartv@thisnet.nl>
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* @author Joas Schilling <nickvergessen@owncloud.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <icewind@owncloud.com>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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*
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program 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 License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\DB;
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class AdapterSqlite extends Adapter {
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public function fixupStatement($statement) {
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$statement = preg_replace('( I?LIKE \?)', '$0 ESCAPE \'\\\'', $statement);
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$statement = preg_replace('/`(\w+)` ILIKE \?/', 'LOWER($1) LIKE LOWER(?)', $statement);
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$statement = str_replace( '`', '"', $statement );
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$statement = str_ireplace( 'NOW()', 'datetime(\'now\')', $statement );
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$statement = str_ireplace( 'UNIX_TIMESTAMP()', 'strftime(\'%s\',\'now\')', $statement );
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return $statement;
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}
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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 $compare = null) {
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if (empty($compare)) {
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$compare = array_keys($input);
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}
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$fieldList = '`' . implode('`,`', array_keys($input)) . '`';
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$query = "INSERT INTO `$table` ($fieldList) SELECT "
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. str_repeat('?,', count($input)-1).'? '
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. " WHERE NOT EXISTS (SELECT 1 FROM `$table` WHERE ";
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$inserts = array_values($input);
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foreach($compare as $key) {
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$query .= '`' . $key . '`';
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if (is_null($input[$key])) {
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$query .= ' IS NULL AND ';
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} else {
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$inserts[] = $input[$key];
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$query .= ' = ? AND ';
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}
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}
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$query = substr($query, 0, strlen($query) - 5);
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$query .= ')';
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return $this->conn->executeUpdate($query, $inserts);
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}
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}
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