status before reload
status after reload
NOT_LOADED 0
LOADED 0
FAILED 1
LOADING 0
FAILED_AND_RELOADING 0
LOADED_AND_RELOADING 0
NOT_EXIST 0
status after reload, table exists
NOT_LOADED 0
LOADED 1
FAILED 0
LOADING 0
FAILED_AND_RELOADING 0
LOADED_AND_RELOADING 0
NOT_EXIST 0
status after drop