Best way to join on a range?

Question

I think this may be a common problem that may not have an answer for every tool. Right now we are trying to use amazons Redshift. The only problem we have now is we are tryi

Answer 1

Try using between, listing the table with the target value second:

select *
from table1 t1
join table2 t2
  on t2.ip between t1.startip and t1.endip

And make sure there's an index on table2.ip.

It should perform pretty well.