On 02.07.2013 10:55, Soroosh Sardari wrote:
> Dear Hackers
>
> Recently I find about pgsql_tmp directory. As I think, this directory is a
> area for making temporal files which are used for external sort.
>
> I wonder if anyone could help me to find the module of pg that is
> responsible for the temporal space and external sort in the PG source code.
See src/backend/utils/sort/tuplesort.c and
src/backend/storage/file/buffile.c for starters.
- Heikki