Re: operators, operator classes, Btree and index usage

"Sergey E. Koposov" <math@sai.msu.ru> writes:
> I'm interested in simplifying those queries and introducing the operator
> doing something like this:

> my_operator(bigint x, bigint[] arr)
> checking  the condition:
> ((x>arr[1]) AND (x<arr[2])) OR ((x>arr[3]) AND (x<arr[4]))

This could be made to work if you define the above as an inline-able SQL
function.  Hacking operator classes won't do it though.

            regards, tom lane