On Sun, Apr 09, 2006 at 20:44:34 -0700,
[EMAIL PROTECTED] wrote:
> I have a slow sql:
> SELECT * FROM mytable WHERE id IN (1,3,5,7,3k here...);
> mytable is about 10k rows.
>
> if don't use the "IN" clause, it will cost 0,11 second, otherwise it
> will cost 2.x second
> I guess pg use linear
I have a slow sql:
SELECT * FROM mytable WHERE id IN (1,3,5,7,3k here...);
mytable is about 10k rows.
if don't use the "IN" clause, it will cost 0,11 second, otherwise it
will cost 2.x second
I guess pg use linear search to deal with IN clause, is there any way
to let pg use other search metho
