Get list of records not mapped from the lookup table.
See also
Utilities used within Derivation functions:
call_user_fun(),
extract_unit(),
get_flagged_records(),
get_vars_query()
Get list of records not mapped from the lookup table.
Utilities used within Derivation functions:
call_user_fun(),
extract_unit(),
get_flagged_records(),
get_vars_query()