repair search lucene before installing
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@ -84,7 +84,8 @@ class Repair extends BasicEmitter {
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public static function getBeforeUpgradeRepairSteps() {
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return array(
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new \OC\Repair\InnoDB(),
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new \OC\Repair\Collation(\OC::$server->getConfig(), \OC_DB::getConnection())
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new \OC\Repair\Collation(\OC::$server->getConfig(), \OC_DB::getConnection()),
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new \OC\Repair\SearchLuceneTables()
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);
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}
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@ -23,7 +23,7 @@ class InnoDB extends BasicEmitter implements \OC\RepairStep {
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public function run() {
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$connection = \OC_DB::getConnection();
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if (!$connection->getDatabasePlatform() instanceof MySqlPlatform) {
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$this->emit('\OC\Repair', 'info', array('Not a mysql database -> nothing to no'));
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$this->emit('\OC\Repair', 'info', array('Not a mysql database -> nothing to do'));
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return;
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}
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@ -0,0 +1,63 @@
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<?php
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/**
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* Copyright (c) 2014 Jörn Friedrich Dreyer <jfd@owncloud.com>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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namespace OC\Repair;
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use OC\Hooks\BasicEmitter;
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class SearchLuceneTables extends BasicEmitter implements \OC\RepairStep {
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public function getName() {
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return 'Repair duplicate entries in oc_lucene_status';
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}
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/**
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* Fix duplicate entries in oc_lucene_status
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*
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* search_lucene prior to v0.5.0 did not have a primary key on the lucene_status table. Newer versions do, which
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* causes the migration check to fail because it tries to insert duplicate rows into the new schema.
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*
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* FIXME Currently, apps don't have a way of repairing anything before the migration check:
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* @link https://github.com/owncloud/core/issues/10980
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*
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* As a result this repair step needs to live in the core repo, although it belongs into search_lucene:
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* @link https://github.com/owncloud/core/issues/10205#issuecomment-54957557
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*
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* It will completely remove any rows that make a file id have more than one status:
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* fileid | status fileid | status
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* --------+-------- will become --------+--------
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* 2 | E 3 | E
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* 2 | I
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* 3 | E
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*
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* search_lucene will then reindex the fileids without a status when the next indexing job is executed
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*/
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public function run() {
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if (\OC_DB::tableExists('lucene_status')) {
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$this->emit('\OC\Repair', 'info', array('removing duplicate entries from lucene_status'));
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$connection = \OC_DB::getConnection();
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$query = $connection->prepare('
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DELETE FROM `*PREFIX*lucene_status`
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WHERE `fileid` IN (
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SELECT `fileid`
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FROM (
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SELECT `fileid`
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FROM `*PREFIX*lucene_status`
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GROUP BY `fileid`
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HAVING count(`fileid`) > 1
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) AS `mysqlerr1093hack`
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)');
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$query->execute();
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} else {
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$this->emit('\OC\Repair', 'info', array('lucene_status table does not exist -> nothing to do'));
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}
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}
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}
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