Antoni Ivanov commented on IMPALA-722:

+1 from me, 

That would have been really handy  today - we could have done some K-mean 
clustering with SQL - 

Now we have to do it with python :)

> Support recursive WITH clause
> -----------------------------
>                 Key: IMPALA-722
>                 URL: https://issues.apache.org/jira/browse/IMPALA-722
>             Project: IMPALA
>          Issue Type: New Feature
>          Components: Backend, Frontend
>    Affects Versions: Impala 1.2.1
>         Environment: All
>            Reporter: Manoj Samel
>            Priority: Major
>              Labels: sql-language
> Impala SQL does not support the recursive "WITH" clause.
> Recursive WITH clauses are very useful in writing modular parts of complex 
> queries that does not makes the main query too complex. 
> Support for reursive WITH clause should be added.

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