migrate therinaldos.com data

wedding-pics/apps/activity/lib/Migration/Version2006Date20170808154933.php

@@ -0,0 +1,158 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @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\Activity\Migration;
+
+use Doctrine\DBAL\Types\Types;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version2006Date20170808154933 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 * @since 13.0.0
+	 */
+	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if (!$schema->hasTable('activity')) {
+			$table = $schema->createTable('activity');
+			$table->addColumn('activity_id', Types::BIGINT, [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 20,
+			]);
+			$table->addColumn('timestamp', 'integer', [
+				'notnull' => true,
+				'length' => 4,
+				'default' => 0,
+			]);
+			$table->addColumn('priority', 'integer', [
+				'notnull' => true,
+				'length' => 4,
+				'default' => 0,
+			]);
+			$table->addColumn('type', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('user', 'string', [
+				'notnull' => false,
+				'length' => 64,
+			]);
+			$table->addColumn('affecteduser', 'string', [
+				'notnull' => true,
+				'length' => 64,
+			]);
+			$table->addColumn('app', 'string', [
+				'notnull' => true,
+				'length' => 32,
+			]);
+			$table->addColumn('subject', 'string', [
+				'notnull' => true,
+				'length' => 255,
+			]);
+			$table->addColumn('subjectparams', 'text', [
+				'notnull' => true,
+			]);
+			$table->addColumn('message', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('messageparams', 'text', [
+				'notnull' => false,
+			]);
+			$table->addColumn('file', 'string', [
+				'notnull' => false,
+				'length' => 4000,
+			]);
+			$table->addColumn('link', 'string', [
+				'notnull' => false,
+				'length' => 4000,
+			]);
+			$table->addColumn('object_type', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('object_id', Types::BIGINT, [
+				'notnull' => true,
+				'length' => 20,
+				'default' => 0,
+			]);
+			$table->setPrimaryKey(['activity_id']);
+			$table->addIndex(['affecteduser', 'timestamp'], 'activity_user_time');
+			$table->addIndex(['affecteduser', 'user', 'timestamp'], 'activity_filter_by');
+			// FIXME Fixed install, see Version2006Date20170808155040: $table->addIndex(['affecteduser', 'app', 'timestamp'], 'activity_filter_app');
+			$table->addIndex(['affecteduser', 'type', 'app', 'timestamp'], 'activity_filter');
+			$table->addIndex(['object_type', 'object_id'], 'activity_object');
+		}
+
+		if (!$schema->hasTable('activity_mq')) {
+			$table = $schema->createTable('activity_mq');
+			$table->addColumn('mail_id', Types::BIGINT, [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 20,
+			]);
+			$table->addColumn('amq_timestamp', 'integer', [
+				'notnull' => true,
+				'length' => 4,
+				'default' => 0,
+			]);
+			$table->addColumn('amq_latest_send', 'integer', [
+				'notnull' => true,
+				'length' => 4,
+				'default' => 0,
+			]);
+			$table->addColumn('amq_type', 'string', [
+				'notnull' => true,
+				'length' => 255,
+			]);
+			$table->addColumn('amq_affecteduser', 'string', [
+				'notnull' => true,
+				'length' => 64,
+			]);
+			$table->addColumn('amq_appid', 'string', [
+				'notnull' => true,
+				'length' => 255,
+			]);
+			$table->addColumn('amq_subject', 'string', [
+				'notnull' => true,
+				'length' => 255,
+			]);
+			$table->addColumn('amq_subjectparams', 'text', [
+				'notnull' => true,
+			]);
+			$table->setPrimaryKey(['mail_id']);
+			$table->addIndex(['amq_affecteduser'], 'amp_user');
+			$table->addIndex(['amq_latest_send'], 'amp_latest_send_time');
+			$table->addIndex(['amq_timestamp'], 'amp_timestamp_time');
+		}
+		return $schema;
+	}
+}

wedding-pics/apps/activity/lib/Migration/Version2006Date20170808155040.php

@@ -0,0 +1,55 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @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\Activity\Migration;
+
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version2006Date20170808155040 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 * @throws \Doctrine\DBAL\Schema\SchemaException
+	 * @since 13.0.0
+	 */
+	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		/**
+		 * FIXME To prevent slowness on update we don't change the index.
+		 * FIXME Anyone complaining can manually update it.
+		 *
+		 * $schema = $schemaClosure();
+		 *
+		 * $table = $schema->getTable('activity');
+		 * $table->dropIndex('activity_filter_app');
+		 * $table->addIndex(['affecteduser', 'type', 'app', 'timestamp'], 'activity_filter');
+		 *
+		 * return $schema;
+		 */
+		return null;
+	}
+}

wedding-pics/apps/activity/lib/Migration/Version2006Date20170919095939.php

@@ -0,0 +1,59 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @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\Activity\Migration;
+
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\BigIntMigration;
+use OCP\Migration\IOutput;
+
+class Version2006Date20170919095939 extends BigIntMigration {
+	/**
+	 * @return array Returns an array with the following structure
+	 * ['table1' => ['column1', 'column2'], ...]
+	 * @since 13.0.0
+	 */
+	protected function getColumnsByTable() {
+		return [
+			'activity' => ['activity_id', 'object_id'],
+			'activity_mq' => ['mail_id'],
+		];
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 * @since 13.0.0
+	 */
+	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
+		/**
+		 * FIXME To prevent slowness on update we don't change the schema.
+		 * FIXME Instead it can be updated with ./occ db:convert-filecache-bigint
+		 * parent::changeSchema($output, $schemaClosure, $options);
+		 */
+
+		return null;
+	}
+}

wedding-pics/apps/activity/lib/Migration/Version2007Date20181107114613.php

@@ -0,0 +1,65 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2018, Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @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\Activity\Migration;
+
+use Closure;
+use Doctrine\DBAL\Types\Types;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version2007Date20181107114613 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('activity');
+
+		if (!$table->hasColumn('object_type')) {
+			$table->addColumn('object_type', Types::STRING, [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('object_id', Types::BIGINT, [
+				'notnull' => true,
+				'length' => 20,
+				'default' => 0,
+			]);
+		}
+
+		if (!$table->hasIndex('activity_object')) {
+			$table->addIndex(['object_type', 'object_id'], 'activity_object');
+		}
+
+		return $schema;
+	}
+}

wedding-pics/apps/activity/lib/Migration/Version2008Date20181011095117.php

@@ -0,0 +1,64 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2018, Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @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\Activity\Migration;
+
+use Closure;
+use Doctrine\DBAL\Schema\SchemaException;
+use Doctrine\DBAL\Types\Types;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version2008Date20181011095117 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		try {
+			$table = $schema->getTable('activity_mq');
+		} catch (SchemaException $e) {
+			return null;
+		}
+
+		$table->addColumn('object_type', Types::STRING, [
+			'notnull' => false,
+			'length' => 255,
+		]);
+		$table->addColumn('object_id', Types::BIGINT, [
+			'notnull' => true,
+			'length' => 20,
+			'default' => 0,
+		]);
+
+		return $schema;
+	}
+}

wedding-pics/apps/activity/lib/Migration/Version2010Date20190416112817.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OCA\Activity\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Auto-generated migration step: Please modify to your needs!
+ */
+class Version2010Date20190416112817 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('activity');
+
+		if ($table->hasIndex('activity_time')) {
+			$table->dropIndex('activity_time');
+		}
+
+		return $schema;
+	}
+}

wedding-pics/apps/activity/lib/Migration/Version2011Date20201006132544.php

@@ -0,0 +1,88 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2020 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @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\Activity\Migration;
+
+use Closure;
+use Doctrine\DBAL\Types\Type;
+use OCP\DB\ISchemaWrapper;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version2011Date20201006132544 extends SimpleMigrationStep {
+	/** @var IDBConnection */
+	protected $connection;
+
+	public function __construct(IDBConnection $connection) {
+		$this->connection = $connection;
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('activity_mq');
+
+		$column = $table->getColumn('amq_appid');
+		$column->setType(Type::getType('string'));
+		$column->setNotnull(true);
+		$column->setLength(32);
+
+		$column = $table->getColumn('amq_subjectparams');
+		// Can't switch from Long to clob on Oracle, so we need an intermediate column
+		if ($column->getType() !== Type::getType('text')) {
+			$table->addColumn('amq_subjectparams2', 'text', [
+				'notnull' => false,
+			]);
+		}
+
+		return $schema;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 *
+	 * @since 13.0.0
+	 */
+	public function postSchemaChange(IOutput $output, \Closure $schemaClosure, array $options): void {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if (!$schema->getTable('activity_mq')->hasColumn('amq_subjectparams2')) {
+			return;
+		}
+
+		$query = $this->connection->getQueryBuilder();
+		$query->update('activity_mq')
+			->set('amq_subjectparams2', 'amq_subjectparams');
+		$query->execute();
+	}
+}

wedding-pics/apps/activity/lib/Migration/Version2011Date20201006132545.php

@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2020 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @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\Activity\Migration;
+
+use Closure;
+use Doctrine\DBAL\Types\Type;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version2011Date20201006132545 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('activity_mq');
+		$column = $table->getColumn('amq_subjectparams');
+		if ($column->getType() !== Type::getType('text')) {
+			$table->dropColumn('amq_subjectparams');
+			return $schema;
+		}
+
+		return null;
+	}
+}

wedding-pics/apps/activity/lib/Migration/Version2011Date20201006132546.php

@@ -0,0 +1,81 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2020 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @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\Activity\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version2011Date20201006132546 extends SimpleMigrationStep {
+	/** @var IDBConnection */
+	protected $connection;
+
+	public function __construct(IDBConnection $connection) {
+		$this->connection = $connection;
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('activity_mq');
+		if (!$table->hasColumn('amq_subjectparams')) {
+			$table->addColumn('amq_subjectparams', 'text', [
+				'notnull' => false,
+			]);
+			return $schema;
+		}
+
+		return null;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 *
+	 * @since 13.0.0
+	 */
+	public function postSchemaChange(IOutput $output, \Closure $schemaClosure, array $options): void {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if (!$schema->getTable('activity_mq')->hasColumn('amq_subjectparams2')
+			|| !$schema->getTable('activity_mq')->hasColumn('amq_subjectparams')) {
+			return;
+		}
+
+		$query = $this->connection->getQueryBuilder();
+		$query->update('activity_mq')
+			->set('amq_subjectparams', 'amq_subjectparams2');
+		$query->execute();
+	}
+}

wedding-pics/apps/activity/lib/Migration/Version2011Date20201006132547.php

@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2020 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @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\Activity\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version2011Date20201006132547 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('activity_mq');
+		if ($table->hasColumn('amq_subjectparams2')) {
+			$table->dropColumn('amq_subjectparams2');
+			return $schema;
+		}
+
+		return null;
+	}
+}

wedding-pics/apps/activity/lib/Migration/Version2011Date20201207091915.php

@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2020 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @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\Activity\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version2011Date20201207091915 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$result = $this->ensureColumnIsNullable($schema, 'activity_mq', 'amq_subjectparams');
+
+		return $result ? $schema : null;
+	}
+
+	protected function ensureColumnIsNullable(ISchemaWrapper $schema, string $tableName, string $columnName): bool {
+		$table = $schema->getTable($tableName);
+		$column = $table->getColumn($columnName);
+
+		if ($column->getNotnull()) {
+			$column->setNotnull(false);
+			return true;
+		}
+
+		return false;
+	}
+}