-Re: Problem with rank() and dense_rank()
j.barrett Strausser 2013-08-09, 17:40
On Fri, Aug 9, 2013 at 11:44 AM, Lars Francke <[EMAIL PROTECTED]>wrote:
> Thank you very much guys for the response.
> I saw your thread but I must have totally missed your resolution of
> the issue. Sorry for the "repost".
> I'd be happy to file an issue as well.
> On Fri, Aug 9, 2013 at 4:26 PM, j.barrett Strausser
> <[EMAIL PROTECTED]> wrote:
> > rank is case-sensitive. Use the lower-case invocation.
> > It is a rather odd error for the underlying cause and one I would have
> > thought to check.
> > I ran across the same issue you did. It was discussed in the email
> thread I
> > started a few weeks ago titled "Semantics of Rank".
> > I'd advise you to go look in the archives for that thread.
> > -barrett
> > On Fri, Aug 9, 2013 at 9:39 AM, Lars Francke <[EMAIL PROTECTED]>
> >> Hi again,
> >> CREATE TABLE test (a INT);
> >> EXPLAIN
> >> SELECT
> >> DENSE_RANK() OVER (PARTITION BY a),
> >> a
> >> FROM test;
> >> this minimal example fails with:
> >> FAILED: SemanticException Failed to breakup Windowing invocations into
> >> Groups. At least 1 group must only depend on input columns. Also check
> >> for circular dependencies.
> >> Underlying error:
> >> org.apache.hadoop.hive.ql.exec.UDFArgumentTypeException: One or more
> >> arguments are expected.
> >> Does anyone have an idea if we're using this wrong? It is correct that
> >> RANK() and DENSE_RANK() take a parameter (by looking at the code). I'm
> >> not entirely sure what it does but in any case it's undocumented and
> >> the tests seem to work without one too.
> >> Thank you for your help.
> >> Cheers,
> >> Lars
> > --
> > https://github.com/bearrito
> > @deepbearrito