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From "Daniel Jurcau (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-5110) Query containing datatype conversions fails with vague error if column contains only null
Date Tue, 06 Dec 2016 07:45:59 GMT

     [ https://issues.apache.org/jira/browse/DRILL-5110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daniel Jurcau updated DRILL-5110:
---------------------------------
    Description: 
Issuing a query like {{SELECT CONVERT_FROM(CONVERT_TO(columnName, 'json'), 'utf8') FROM}}
fails if {{columnName}} is not present in the current dataset being queried, or contains only
nulls. 

Error received: {{org.apache.drill.common.exceptions.UserRemoteException: SYSTEM ERROR: UnsupportedOperationException:
Unable to get holder type for minor type [LATE] and mode [OPTIONAL] Fragment 0:0}}

  was:
Issuing a query like {{SELECT CONVERT_FROM(CONVERT_TO(columnName, 'json'), 'utf8') FROM}}
fails if columnName is not present in the current dataset being queried, or contains only
nulls. 

Error received: {{org.apache.drill.common.exceptions.UserRemoteException: SYSTEM ERROR: UnsupportedOperationException:
Unable to get holder type for minor type [LATE] and mode [OPTIONAL] Fragment 0:0}}


> Query containing datatype conversions fails with vague error if column contains only
null
> -----------------------------------------------------------------------------------------
>
>                 Key: DRILL-5110
>                 URL: https://issues.apache.org/jira/browse/DRILL-5110
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Functions - Drill
>    Affects Versions: 1.8.0
>            Reporter: Daniel Jurcau
>
> Issuing a query like {{SELECT CONVERT_FROM(CONVERT_TO(columnName, 'json'), 'utf8') FROM}}
fails if {{columnName}} is not present in the current dataset being queried, or contains only
nulls. 
> Error received: {{org.apache.drill.common.exceptions.UserRemoteException: SYSTEM ERROR:
UnsupportedOperationException: Unable to get holder type for minor type [LATE] and mode [OPTIONAL]
Fragment 0:0}}



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