METADATA_COLUMNS
id(int) caller(str) received_timestamp(datetime) wait_time(int) pickup_time(int) talk_time(int) flow_id(str) agent_id(str) call_type(int) rejected(int) fstats(int) cid(int)
METADATA_KEY
0 
METADATA_READONLY
0
METADATA_LOGFLAGS
0
METADATA_DEFAULTS
NIL|NIL|NIL|0|0|0|NIL|NULL|-1|0|0|0
