/**
  * @param Instance $instance
  *
  * @return array
  */
 protected function getStoredData(Instance $instance)
 {
     //  Get our database connection...
     $_db = $instance->instanceConnection($instance);
     //  Get a table list...
     $_tables = $_db->getDoctrineConnection()->getSchemaManager()->listTables();
     $_data = [];
     foreach ($_tables as $_table) {
         $_tableName = $_table->getName();
         //  Get the columns
         $_columns = [];
         foreach ($_table->getColumns() as $_column) {
             $_array = $_column->toArray();
             $_array['type'] = (string) $_array['type'];
             $_columns[] = $_array;
         }
         $_data[$_tableName] = ['schema' => $_columns, 'data' => $_db->select('SELECT * FROM ' . $_tableName)];
     }
     return $_data;
 }