71 lines
2.4 KiB
PHP
71 lines
2.4 KiB
PHP
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<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
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* @author Bart Visscher <bartv@thisnet.nl>
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Ole Ostergaard <ole.c.ostergaard@gmail.com>
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* @author Ole Ostergaard <ole.ostergaard@knime.com>
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*
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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 AdapterPgSql extends Adapter {
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protected $compatModePre9_5 = null;
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public function lastInsertId($table) {
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return $this->conn->fetchColumn('SELECT lastval()');
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}
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public const UNIX_TIMESTAMP_REPLACEMENT = 'cast(extract(epoch from current_timestamp) as integer)';
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public function fixupStatement($statement) {
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$statement = str_replace('`', '"', $statement);
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$statement = str_ireplace('UNIX_TIMESTAMP()', self::UNIX_TIMESTAMP_REPLACEMENT, $statement);
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return $statement;
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}
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public function insertIgnoreConflict(string $table,array $values) : int {
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if ($this->isPre9_5CompatMode() === true) {
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return parent::insertIgnoreConflict($table, $values);
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}
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// "upsert" is only available since PgSQL 9.5, but the generic way
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// would leave error logs in the DB.
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$builder = $this->conn->getQueryBuilder();
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$builder->insert($table);
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foreach ($values as $key => $value) {
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$builder->setValue($key, $builder->createNamedParameter($value));
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}
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$queryString = $builder->getSQL() . ' ON CONFLICT DO NOTHING';
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return $this->conn->executeUpdate($queryString, $builder->getParameters(), $builder->getParameterTypes());
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}
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protected function isPre9_5CompatMode(): bool {
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if ($this->compatModePre9_5 !== null) {
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return $this->compatModePre9_5;
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}
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$version = $this->conn->fetchColumn('SHOW SERVER_VERSION');
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$this->compatModePre9_5 = version_compare($version, '9.5', '<');
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return $this->compatModePre9_5;
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}
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}
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