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From rahul challapalli <challapallira...@gmail.com>
Subject Re: WHERE clause causing a ClassCastException on HBase tables
Date Thu, 01 Sep 2016 18:09:25 GMT
This is a bug. The query is failing at the planning state itself. Can you
raise a jira for the same with the details you posted here?

- Rahul

On Thu, Sep 1, 2016 at 2:03 AM, Khurram Faraaz <kfaraaz@maprtech.com> wrote:

> What is your Drill version and HBase version ?
>
> On Thu, Sep 1, 2016 at 5:05 AM, Ki Kang <Ki.Kang@ds-iq.com> wrote:
>
> > Can someone help or point me to where I can maybe get some help?
> >
> > I am trying to figure out why I am getting a ClassCastException when I do
> > the following query.  If I change the "FROM" clause to just "FROM
> > (VALUES(0))" it works just fine, but whenever I have "FROM" to an HBase
> > table, I get the error.  I know that the HBase table is valid because if
> I
> > remove the WHERE clause, the query does not throw an error.
> >
> > SELECT b.`date` FROM (
> >   SELECT TO_DATE(CONCAT(a.`jArray`[0], '-', a.`jArray`[1], '-',
> > a.`jArray`[2]), 'yyyy-MM-dd') `date` FROM (
> >     SELECT CONVERT_FROM(REGEXP_REPLACE('["2016":"08":"03"]', ':', ','),
> > 'JSON') `jArray`
> >     --FROM (VALUES(0))
> >     FROM `hbase`.`SomeValidTable`
> >   ) a
> > ) b
> > WHERE b.`date` = '2016-08-03'
> > LIMIT 1
> >
> > SYSTEM ERROR: ClassCastException: org.apache.drill.common.
> expression.FunctionCall
> > cannot be cast to org.apache.drill.common.expression.SchemaPath
> >
> >
> >
>

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