84 lines
2.8 KiB
PHP
84 lines
2.8 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2022 Varun Patil <radialapps@gmail.com>
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* @author Varun Patil <radialapps@gmail.com>
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* @license GNU AGPL version 3 or any later version
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*
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* This program 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 as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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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
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace OCA\Memories\Migration;
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use OCP\DB\ISchemaWrapper;
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use OCP\IDBConnection;
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use OCP\Migration\IOutput;
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use OCP\Migration\SimpleMigrationStep;
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/**
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* Auto-generated migration step: Please modify to your needs!
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*/
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class Version400503Date20221101033144 extends SimpleMigrationStep
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{
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/** @var IDBConnection */
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private $dbc;
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public function __construct(IDBConnection $dbc)
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{
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$this->dbc = $dbc;
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}
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/**
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* @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
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*/
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public function preSchemaChange(IOutput $output, \Closure $schemaClosure, array $options): void {}
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/**
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* @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
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*/
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public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options): ?ISchemaWrapper
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{
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/** @var ISchemaWrapper $schema */
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$schema = $schemaClosure();
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$table = $schema->getTable('memories');
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// This is a hack to speed up the tags queries.
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// The problem is objectid in systemtags is VARCHAR(64) while fileid in
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// filecache and memories is BIGINT(20), so a join is extremely slow,
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// because the entire tags table must be scanned for the conversion.
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$table->addColumn('objectid', 'string', [
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'notnull' => true,
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'length' => 64,
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'default' => '0', // set to real value in postSchemaChange
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]);
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$table->addIndex(['objectid'], 'memories_objectid_index');
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return $schema;
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}
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/**
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* @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
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*/
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public function postSchemaChange(IOutput $output, \Closure $schemaClosure, array $options): void
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{
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// Update oc_memories to set objectid equal to fileid for all rows
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$this->dbc->executeQuery('UPDATE *PREFIX*memories SET objectid = CAST(fileid AS CHAR(64))');
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}
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}
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