Rather than using the generic word "space" we might as well use "memory"
since that's precisely what we're dealing with here.
This was extracted from a larger patch around terminology changes where
the remaining hunks were rejected.
Author: Gurjeet Singh
Reviewed-by: Daniel Gustafsson
Reviewed-by: Tom Lane
Discussion: https://postgr.es/m/CABwTF4UHO_NtcsOL6_XZfnpKg_0XBFKa7B-7_x5zs3MRZm3-Tg@mail.gmail.com
This value is the sum of all malloc requests
associated with the PGresult object, that is,
- all the space that will be freed by .
+ all the memory that will be freed by .
This information can be useful for managing memory consumption.