Hi,
I've a problem when i try to connect hive 3.1.0 with jdbc .
I've got this error msg :
*Caused by: java.lang.reflect.InvocationTargetException*
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
Hi,
> I'm hoping someone can help me shed some light on how Hive deals with
virtual columns.
The virtual column impl is not extensible in Hive, it is a fixed set of
enums.
https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/metadata/VirtualColumn.java#L64
Hello!
By a virtual column we were thinking something similar to ‘INPUT__FILE__NAME’
seen here:
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+VirtualColumns
Our idea was to add an extra column with some metadata that could be useful to
the user for time-travel queries.
I
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On Wed, May 6, 2020 at 10:53 AM Christine Mathiesen
wrote:
> Hello!
>
> I'm hoping someone can help me shed some light on how Hive deals with
> virtual columns. We are trying to implement some time travel features in a
> custom input format we're building and are considering the
Hi Christine.
Virtual column meaning a derived column?
can you achieve this by creating a view on Hive table?
HTH
Dr Mich Talebzadeh
LinkedIn *
https://www.linkedin.com/profile/view?id=AAEWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw
Hello!
I'm hoping someone can help me shed some light on how Hive deals with virtual
columns. We are trying to implement some time travel features in a custom input
format we're building and are considering the approach of adding a virtual
column, but I haven't been able to find much
