> On May 16, 2018, 11:32 a.m., Peter Vary wrote:
> > ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFAddMonths.java
> > Lines 85 (patched)
> > <https://reviews.apache.org/r/67073/diff/2/?file=2023748#file2023748line85>
> >
> >     I would prefer to thow an exception here instead of working with the 
> > default version. Better for the user to see the error faster, and not only 
> > after a long query run, when the output is not formatted as expected. What 
> > do you think?

Sounds good.
I did it that way because I thought we can use default format if user provides 
invalid value, but it makes sense as the user anyways wants to provide a 
different format and we can let them know earlier if it is invalid.
Removed exception catch so that it will be thrown if format is invalid.


> On May 16, 2018, 11:32 a.m., Peter Vary wrote:
> > ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFAddMonths.java
> > Lines 143 (patched)
> > <https://reviews.apache.org/r/67073/diff/2/?file=2023748#file2023748line143>
> >
> >     Why is this null check needed?

Just added it as it was present in UDFDateFormat.
But I think we won't have a null or invalid formatter or null Date in the line
String res = formatter.format(newDate);

So removing the null check


- Bharathkrishna


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On May 16, 2018, 5:48 p.m., Bharathkrishna Guruvayoor Murali wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/67073/
> -----------------------------------------------------------
> 
> (Updated May 16, 2018, 5:48 p.m.)
> 
> 
> Review request for hive, Peter Vary, Sahil Takiar, and Vihang Karajgaonkar.
> 
> 
> Repository: hive-git
> 
> 
> Description
> -------
> 
> Adding support to retain the time part (HH:mm:ss) for add_months UDF when the 
> input is given as timestamp format.
> 
> 
> Diffs
> -----
> 
>   ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFAddMonths.java 
> dae4b97b4a17e98122431e5fda655fd9f873fdb5 
>   
> ql/src/test/org/apache/hadoop/hive/ql/udf/generic/TestGenericUDFAddMonths.java
>  af9b6c43c7dafc69c4944eab02894786af306f35 
>   ql/src/test/queries/clientpositive/udf_add_months.q 
> 0b8eeeeb444fd1657117dec18c2b4e7173767617 
>   ql/src/test/results/clientpositive/udf_add_months.q.out 
> 5ba720ae85d30c0da7f94f377d6b324bce850907 
> 
> 
> Diff: https://reviews.apache.org/r/67073/diff/3/
> 
> 
> Testing
> -------
> 
> Added unit tests.
> 
> 
> Thanks,
> 
> Bharathkrishna Guruvayoor Murali
> 
>

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