Re: Test for array slice?

Peter Fein wrote:
> I want to do something like this (pardon my pseudocode):
>
> A=ARRAY[4, 5, 6, 7, 8]
> B=ARRAY[5, 6]
>
> is_sliceof(A, B), i.e., there exists a slice of A that equals B.  My
> best thought ATM is to convert both to strings and use pattern matching
> - any better ideas?

I can't think of a really good way to do that directly in Postgres, but
I'd bet (still not sure though) there is a way in R.
   http://www.r-project.org/index.html
If so, you could use PL/R:
   http://www.joeconway.com/plr/

HTH,

Joe