Praveen Kumar N wrote:
On Fri, 8 Sep 2006, Heikki Linnakangas wrote:

Looks like Alvaro guessed right. It reads both relations in sequence, sorts them in temporary storage, outside bufmgr, and then does a merge join on the sorted inputs.

could you tell me how can we trace that? I mean which functions shall I checkout for that.

The sort code is in src/backend/utils/sort/tuplesort.c and logtape.c. Can't remember function names from the top of my head.

 Heikki Linnakangas

---------------------------(end of broadcast)---------------------------
TIP 6: explain analyze is your friend

Reply via email to