pg_clear_extended_stats ( schemaname name, relname name, statistics_schemaname name, statistics_name name, inherited boolean ) → voidClears data of an extended statistics object, as though the object was newly-created. The required arguments are
schemaname and relname to specify the schema and table name of the relation whose statistics are cleared, as well as statistics_schemaname and statistics_name to specify the schema and extended statistics name of the extended statistics object to clear.