Fix migration comment

Author: cschleiden

backend/sqlite/db/migrations/000002_add_attributes_table.down.sql

@@ -1,12 +1,9 @@
--- Move activity attributes to attributes table
 ALTER TABLE `activities` ADD COLUMN `attributes` BLOB NULL;
 UPDATE `activities` SET `attributes` = `attributes`.`data` FROM `attributes` WHERE `activities`.`id` = `attributes`.`id` AND `activities`.`instance_id` = `attributes`.`instance_id` AND `activities`.`execution_id` = `attributes`.`execution_id`;
 
--- Move history attributes to attributes table
 ALTER TABLE `history` ADD COLUMN `attributes` BLOB NULL;
 UPDATE `history` SET `attributes` = `attributes`.`data` FROM `attributes` WHERE `history`.`id` = `attributes`.`id` AND `history`.`instance_id` = `attributes`.`instance_id` AND `history`.`execution_id` = `attributes`.`execution_id`;
 
--- Move pending_events attributes to attributes table
 ALTER TABLE `pending_events` ADD COLUMN `attributes` BLOB NULL;
 UPDATE `pending_events` SET `attributes` = `attributes`.`data` FROM `attributes` WHERE `pending_events`.`id` = `attributes`.`id` AND `pending_events`.`instance_id` = `attributes`.`instance_id` AND `pending_events`.`execution_id` = `attributes`.`execution_id`;
 

backend/sqlite/db/migrations/000002_add_attributes_table.up.sql

@@ -6,14 +6,14 @@ CREATE TABLE IF NOT EXISTS `attributes` (
   PRIMARY KEY(`id`, `instance_id`)
 );
 
--- Move activity attributes to payloads table
+-- Move activity attributes to attributes table
 INSERT OR IGNORE INTO `attributes` (`id`, `instance_id`, `execution_id`, `data`) SELECT `id`, `instance_id`, `execution_id`, `attributes` FROM `activities`;
 ALTER TABLE `activities` DROP COLUMN `attributes`;
 
--- Move history attributes to payloads table
+-- Move history attributes to attributes table
 INSERT OR IGNORE INTO `attributes` (`id`, `instance_id`, `execution_id`, `data`) SELECT `id`, `instance_id`, `execution_id`, `attributes` FROM `history`;
 ALTER TABLE `history` DROP COLUMN `attributes`;
 
--- Move pending_events attributes to payloads table
+-- Move pending_events attributes to attributes table
 INSERT OR IGNORE INTO `attributes` (`id`, `instance_id`, `execution_id`, `data`) SELECT `id`, `instance_id`, `execution_id`, `attributes` FROM `pending_events`;
 ALTER TABLE `pending_events` DROP COLUMN `attributes`;