Mike Winter wrote:
> On Wed, 20 Aug 2003, Rod Taylor wrote:
>
>>Ensure your IN list is unique. You might find better times by through
>>an indexed temp table.
>
> That is what I ended up doing, but it's not a very elegant solution.
> MySQL does queries of this type orders of magnitudes faster than Postgres
> on large value lists, although I have no specific algorithmic solutions to
> offer for how to make it faster. I don't believe making the IN lists
> unique has any affect on performance.
>
I have no idea whether it will be better or worse performance, but in
7.4 you could do:
select blah from foo where id = any (ARRAY[list_of_literals]);
Joe