hasTable('mail_actions')) { return null; } $table = $schema->createTable('mail_actions'); $table->addColumn('id', Types::INTEGER, [ 'autoincrement' => true, 'notnull' => true, ]); $table->addColumn('name', Types::STRING, [ 'notnull' => true, 'length' => 64, ]); $table->addColumn('account_id', Types::INTEGER, [ 'notnull' => true, ]); $table->setPrimaryKey(['id']); if ($schema->hasTable('mail_accounts')) { $table->addForeignKeyConstraint( $schema->getTable('mail_accounts'), ['account_id'], ['id'], [ 'onDelete' => 'CASCADE', ] ); } return $schema; } }