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From Abhishek Girish <agir...@mapr.com>
Subject Re: Hive execution error
Date Sat, 29 Aug 2015 04:05:04 GMT
That should work! Coming back to the show tables on hive schema, can you
try it on sqlline?

If you are able to list tables, and describe tables, I'd expect you should
be able to query tables.

On Friday, August 28, 2015, Kartik Bhatia <KBhatia@scif.com> wrote:

> I am trying to query hive in CHD 5.4.3 and then connect Drill to reporting
> tool like MicroStrategy for visualization
>
> -----Original Message-----
> From: Abhishek Girish [mailto:abhishek.girish@gmail.com <javascript:;>]
> Sent: Friday, August 28, 2015 8:48 PM
> To: user@drill.apache.org <javascript:;>
> Subject: Re: Hive execution error
>
> You can have multiple client connections to Drill. But each connection
> would be a separate session. Specifically, in case of Drill UI each query
> you submit would be a separate session. Any session options you change in
> one session will not be visible in another. You also cannot select a
> workspace / schema in one connection and expect it to be selected in
> another.
>
> In sqlline, when you connect to Drill, you start a session and it will
> remain active till the duration of the connection.
>
> Can you share details as to what you were trying to accomplish in this
> regard?
>
> -Abhishek
>
> On Fri, Aug 28, 2015 at 8:36 PM, Kartik Bhatia <KBhatia@scif.com
> <javascript:;>> wrote:
>
> > abhishek,
> > Yes I am using Drill Web UI.
> > I wanted to check if we could have both quries  from sqlline and UI at
> > the same time.ie. both options active at same time.
> >
> > -----Original Message-----
> > From: Abhishek Girish [mailto:abhishek.girish@gmail.com <javascript:;>]
> > Sent: Friday, August 28, 2015 8:27 PM
> > To: user@drill.apache.org <javascript:;>
> > Subject: Re: Hive execution error
> >
> > I'm not sure why "show tables" is throwing an error, even after you
> > selected a schema. I'm guessing you are using the drill web UI to run
> > queries. Can you confirm? Session information isn't stored as of now,
> > when you issue queries from the UI. Can you try connecting using sqlline?
> >
> >
> >
> > On Fri, Aug 28, 2015 at 8:06 PM, Kartik Bhatia <KBhatia@scif.com
> <javascript:;>> wrote:
> >
> > > here is the output.
> > >
> > > - use hive; -->    Default schema changed to [hive]
> > >
> > > - show tables;  -->
> > >  org.apache.drill.common.exceptions.UserRemoteException: VALIDATION
> > ERROR:
> > > No default schema selected. Select a schema using 'USE schema'
> > > command
> > >
> > > DESCRIBE  `hive`.`data`.role_dim  -->    gives me list of all colimns
> in
> > > the table
> > >
> > > -----Original Message-----
> > > From: Abhishek Girish [mailto:abhishek.girish@gmail.com <javascript:;>
> ]
> > > Sent: Friday, August 28, 2015 8:02 PM
> > > To: user@drill.apache.org <javascript:;>
> > > Subject: Re: Hive execution error
> > >
> > > Can you try these in sequence:
> > >
> > > - use hive;  Default schema changed to [hive]
> > > - show tables;  org.apache.drill.common.exceptions.UserRemoteException:
> > > VALIDATION ERROR: No default schema selected. Select a schema using
> > > 'USE schema' command DESCRIBE `hive`.`data`.role_dim  - gives me
> > > list of all colimns in the table
> > >
> > > On Fri, Aug 28, 2015 at 7:55 PM, Kartik Bhatia <KBhatia@scif.com
> <javascript:;>> wrote:
> > >
> > > > show databases - gives me list of databases.
> > > > show hive.data - gives message Default schema changed to
> > > > [hive.data] show tables -
> org.apache.drill.common.exceptions.UserRemoteException:
> > > > VALIDATION ERROR: No default schema selected. Select a schema
> > > > using 'USE schema' command
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: Abhishek Girish [mailto:abhishek.girish@gmail.com
> <javascript:;>]
> > > > Sent: Friday, August 28, 2015 7:19 PM
> > > > To: user@drill.apache.org <javascript:;>
> > > > Subject: Re: Hive execution error
> > > >
> > > > Can you successfully do a "use hive" followed by "show tables"?
> > > >
> > > > I mean to check if your hive configuration is successful. Please
> > > > refer to https://drill.apache.org/docs/hive-storage-plugin/ for
> > > > details on configuring Hive plug-in.
> > > >
> > > > From the error it looks like "nameservice1" is not being resolved.
> > > > Try using IP address of the hive server instead (in hive config
> > > > file &/or plug-in).
> > > >
> > > > -Abhishek
> > > >
> > > > On Fri, Aug 28, 2015 at 4:46 PM, Kartik Bhatia <KBhatia@scif.com
> <javascript:;>>
> > wrote:
> > > >
> > > > > Hi,
> > > > > I can see the tables in hive.
> > > > > When I select table and run the query, it gives an error below.
> > > > >
> > > > > ERROR [HY000] [MapR][Drill] (1040) Drill failed to execute the
> query:
> > > > > SELECT * FROM `hive`.`data`.`adjuste _collection` LIMIT 100
> > > > > [30027]Query execution error. Details:[ SYSTEM ERROR:
> > > > > UnknownHostException: nameservice1
> > > > >
> > > > >
> > > > > [Error Id: 46e465d5-3bfe-42d0-8fc8-2fd0c954dc10 on
> > > > > vllxb234.scirx.com:31010] ]
> > > > >
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