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From Mahesh Sankaran <sankarmahes...@gmail.com>
Subject Re: CSV header issue
Date Thu, 02 Apr 2015 06:19:39 GMT
thank you aman.May i know the release date of apache drill 1.0.

On Thu, Apr 2, 2015 at 11:40 AM, Aman Sinha <asinha@maprtech.com> wrote:

> Hi Mahesh,
> Please see https://issues.apache.org/jira/browse/DRILL-951  for the issue
> of CSV headers.  It is a feature that will be addressed in an upcoming
> release (currently tagged for 1.0).
>
> Aman
>
> On Wed, Apr 1, 2015 at 10:52 PM, Mahesh Sankaran <sankarmahesh37@gmail.com
> >
> wrote:
>
> > Hi ,
> >          I am currently working in Apache Drill to analyse CSV files.My
> > problem is, If the CSV file has headers means we cant do any sum query.It
> > shows the following errors.
> >
> > 0: jdbc:drill:zk=nn01:2181,dn02:2181,dn03:218> select sum(cast(columns[6]
> > as int)) from HDFS.`/test.csv` limit 10;
> > Query failed: RemoteRpcException: Failure while running fragment.,
> rcvdbyte
> > [ 584925d6-dab6-42ce-8eb3-fa7abfb0e0f2 on nn01:31010 ]
> > [ 584925d6-dab6-42ce-8eb3-fa7abfb0e0f2 on nn01:31010 ]
> >
> >
> > Error: exception while executing query: Failure while executing query.
> > (state=,code=0)
> >
> > *But the above query is working well without headers.There is any way to
> > sum the columns in CSV files with headers in Apache Drill.*
> >
> > *This is our example file:*
> > 0: jdbc:drill:zk=nn01:2181,dn02:2181,dn03:218> select * from
> > HDFS.`/test.csv` limit 10;
> > +------------+------------+
> > |  columns   |    dir0    |
> > +------------+------------+
> > | ["date1","time1","srcip","dstip","service","sentbyte","rcvdbyte"] |
> > nn01:9000  |
> > |
> ["2015-01-01","00:00:00","10.10.100.74","192.168.0.12","DNS","0","193"] |
> > nn01:9000  |
> > |
> ["2015-01-01","00:00:00","10.10.100.74","192.168.0.12","DNS","0","166"] |
> > nn01:9000  |
> > |
> ["2015-01-01","00:00:00","10.10.100.74","192.168.0.12","DNS","60","359"]
> > | nn01:9000  |
> > |
> >
> >
> ["2015-01-01","00:00:00","10.10.50.195","106.10.193.45","php","717","359","0","0"]
> > | nn01:9000  |
> > |
> ["2015-01-01","00:00:00","111.123.180.44","117.239.67.36","9064","0","0"]
> > | nn01:9000  |
> > |
> ["2015-01-01","00:00:00","111.123.180.44","117.239.67.37","9064","0","0"]
> > | nn01:9000  |
> > |
> ["2015-01-01","00:00:00","111.123.180.44","117.239.67.38","9064","0","0"]
> > | nn01:9000  |
> > |
> ["2015-01-01","00:00:00","111.123.180.44","117.239.67.34","9064","0","0"]
> > | nn01:9000  |
> > |
> ["2015-01-01","00:00:00","111.123.180.44","117.239.67.44","9064","0","0"]
> > | nn01:9000  |
> >
> >
> > Thanks and Regards,
> >
> > Mahesh Sankaran
> >
>

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