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From "Jacques Nadeau (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-862) Select against hbase tables with empty number values fails
Date Sun, 10 Aug 2014 22:08:29 GMT

     [ https://issues.apache.org/jira/browse/DRILL-862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jacques Nadeau updated DRILL-862:
---------------------------------

    Assignee: Mehant Baid  (was: Aditya Kishore)

> Select against hbase tables with empty number values fails 
> -----------------------------------------------------------
>
>                 Key: DRILL-862
>                 URL: https://issues.apache.org/jira/browse/DRILL-862
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - HBase
>            Reporter: Krystal
>            Assignee: Mehant Baid
>             Fix For: 0.5.0
>
>
> git.commit.id.abbrev=01bf849
> I have a hbase table that contains empty values for some columns/rows.   This was due
to importing data from a file into hbase. For example a get of a row containing empty age
value in hbase:
> hbase(main):003:0> get 'voterspaces', '17'
> COLUMN                       CELL                                                   
                         
>  fourcf:create_date          timestamp=1401380832939, value=2014-06-04 06:49:06     
                         
>  onecf:name                  timestamp=1401380832939, value=alice garcia            
                         
>  threecf:contributions       timestamp=1401380832939, value=468.51                  
                         
>  threecf:voterzone           timestamp=1401380832939, value=18555                   
                         
>  twocf:age                   timestamp=1401380832939, value=                        
                         
>  twocf:registration          timestamp=1401380832939, value=republican       
> The following query from drill fails due to empty values instead of null:
> select cast(row_key as integer) voter_id, convert_from(onecf['name'], 'UTF8') name, cast(twocf['age']
as integer) age, cast(twocf['registration'] as varchar(20)) registration, cast(threecf['contributions']
as decimal(6,2)) contributions, cast(threecf['voterzone'] as integer) voterzone,cast(fourcf['create_date']
as timestamp) create_date from voterspaces where row_key < 20;
> message: "Failure while running fragment. < NumberFormatException:[  ]"
> From hive, running the same query against a hive table that is mapped to the same hbase
table succeeded.   If this how it expected to work in drill, then we should to document it.



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