{ CREATE | REPLACE } FUNCTION MAPPING [ database_name_1. | user_name_1. ] function_mapping_name FOR [ { database_name_2. | user_name_2. } [ schema_name. ] ] function_name [ SERVER [ database_name_3. | user_name_3. ] server_name ] [ EXTERNAL SECURITY [ DEFINER | INVOKER ] TRUSTED ] authorization_name [ MAP JSON (json_document) ] [ STOREDAS ( { 'PARQUET' | 'TEXTFILE' } ) ] [ USING table_list ] [;]
- table_list
{ ANY IN TABLE | name [(value)] [ IN TABLE | OUT TABLE ] } [,...]