memories/lib/Migration/Version200000Date2022092401...

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2022 Varun Patil <radialapps@gmail.com>
* @author Varun Patil <radialapps@gmail.com>
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* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace OCA\Memories\Migration;
use OCP\DB\ISchemaWrapper;
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use OCP\IDBConnection;
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use OCP\Migration\IOutput;
use OCP\Migration\SimpleMigrationStep;
/**
* Auto-generated migration step: Please modify to your needs!
*/
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class Version200000Date20220924015634 extends SimpleMigrationStep
{
/** @var IDBConnection */
private $dbc;
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public function __construct(IDBConnection $dbc)
{
$this->dbc = $dbc;
}
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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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{
/** @var ISchemaWrapper $schema */
$schema = $schemaClosure();
if ($schema->hasTable('memories')) {
$table = $schema->getTable('memories');
if ($table->hasColumn('uid')) {
$sql = $this->dbc->getDatabasePlatform()->getTruncateTableSQL('`*PREFIX*memories`', false);
$this->dbc->executeStatement($sql);
}
}
}
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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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{
/** @var ISchemaWrapper $schema */
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$schema = $schemaClosure();
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if (!$schema->hasTable('memories')) {
throw new \Exception('Memories table does not exist');
}
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$table = $schema->getTable('memories');
// Drop all indicies with UID
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if ($table->hasIndex('memories_uid_index')) {
$table->dropIndex('memories_uid_index');
}
if ($table->hasIndex('memories_ud_index')) {
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$table->dropIndex('memories_ud_index');
}
if ($table->hasIndex('memories_day_uf_ui')) {
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$table->dropIndex('memories_day_uf_ui');
}
// Drop UID column
if ($table->hasColumn('uid')) {
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$table->dropColumn('uid');
}
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// Add new indicies
if (!$table->hasIndex('memories_dayid_index')) {
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$table->addIndex(['dayid'], 'memories_dayid_index');
}
if (!$table->hasIndex('memories_fileid_index')) {
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$table->addUniqueIndex(['fileid'], 'memories_fileid_index');
}
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return $schema;
}
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/**
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* @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
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*/
public function postSchemaChange(IOutput $output, \Closure $schemaClosure, array $options): void {}
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}