METADATA_COLUMNS
id(int) carrier(int) domain(int) scan_prefix(str) host_name(str) reply_code(str) flags(int) mask(int) next_domain(int) description(str)
METADATA_KEY
1 2 8 
METADATA_READONLY
0
METADATA_LOGFLAGS
0
METADATA_DEFAULTS
NIL|0|0|''|''|''|0|0|0|NULL
