99 lines
2.8 KiB
PHP
99 lines
2.8 KiB
PHP
<?php
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/**
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* @author Vincent Petry <pvince81@owncloud.com>
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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\Repair;
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use Doctrine\DBAL\Platforms\SqlitePlatform;
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use Doctrine\DBAL\Schema\SchemaException;
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use Doctrine\DBAL\Schema\SchemaDiff;
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use Doctrine\DBAL\Schema\TableDiff;
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use Doctrine\DBAL\Schema\ColumnDiff;
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use OC\Hooks\BasicEmitter;
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/**
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* Fixes Sqlite autoincrement by forcing the SQLite table schemas to be
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* altered in order to retrigger SQL schema generation through OCSqlitePlatform.
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*/
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class SqliteAutoincrement extends BasicEmitter implements \OC\RepairStep {
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/**
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* @var \OC\DB\Connection
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*/
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protected $connection;
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/**
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* @param \OC\DB\Connection $connection
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*/
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public function __construct($connection) {
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$this->connection = $connection;
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}
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public function getName() {
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return 'Repair SQLite autoincrement';
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}
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/**
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* Fix mime types
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*/
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public function run() {
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if (!$this->connection->getDatabasePlatform() instanceof SqlitePlatform) {
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return;
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}
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$sourceSchema = $this->connection->getSchemaManager()->createSchema();
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$schemaDiff = new SchemaDiff();
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foreach ($sourceSchema->getTables() as $tableSchema) {
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$primaryKey = $tableSchema->getPrimaryKey();
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if (!$primaryKey) {
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continue;
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}
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$columnNames = $primaryKey->getColumns();
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// add a column diff for every primary key column,
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// but do not actually change anything, this will
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// force the generation of SQL statements to alter
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// those tables, which will then trigger the
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// specific SQL code from OCSqlitePlatform
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try {
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$tableDiff = new TableDiff($tableSchema->getName());
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$tableDiff->fromTable = $tableSchema;
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foreach ($columnNames as $columnName) {
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$columnSchema = $tableSchema->getColumn($columnName);
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$columnDiff = new ColumnDiff($columnSchema->getName(), $columnSchema);
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$tableDiff->changedColumns[] = $columnDiff;
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$schemaDiff->changedTables[] = $tableDiff;
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}
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} catch (SchemaException $e) {
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// ignore
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}
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}
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$this->connection->beginTransaction();
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foreach ($schemaDiff->toSql($this->connection->getDatabasePlatform()) as $sql) {
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$this->connection->query($sql);
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}
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$this->connection->commit();
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}
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}
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