On 10/1/07, Abandoned <besturk@gmail.com> wrote:
> Hi..
> I have a id list and id list have 2 million dinamic elements..
> I want to select what id have point..
> I try:
>
> SELECT id, point FROM table WHERE id in (IDLIST)
>
> This is working but too slowly and i need to performance..
>
> I'm sorry my bad english.
> King regards..
Try adding another bit of where clause:
SELECT id, point FROM table WHERE id in (IDLIST) and point is not null
it may be faster with a partial index " on table(id) where point is
null " or something like that.
What does explain / explain analyze say about the query?