"priority" => ["type" => "tinyint", "not null" => "1", "default" => "0", "comment" => "Task priority"],
"created" => ["type" => "datetime", "not null" => "1", "default" => NULL_DATE, "comment" => "Creation date"],
"pid" => ["type" => "int", "not null" => "1", "default" => "0", "comment" => "Process id of the worker"],
"priority" => ["type" => "tinyint", "not null" => "1", "default" => "0", "comment" => "Task priority"],
"created" => ["type" => "datetime", "not null" => "1", "default" => NULL_DATE, "comment" => "Creation date"],
"pid" => ["type" => "int", "not null" => "1", "default" => "0", "comment" => "Process id of the worker"],