> On Feb. 13, 2014, 1:30 a.m., Eric Hanson wrote:
> > ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorizationContext.java,
> >  line 440
> > <https://reviews.apache.org/r/18025/diff/1/?file=483651#file483651line440>
> >
> >     This is the same code block as the previous case. Can you share the 
> > case and change the condition to an OR?
> >     
> >     Up to you...

This piece of code will be revisited in HIVE-6416, where I need to add casting 
for many mathematical functions. I will address it there.


> On Feb. 13, 2014, 1:30 a.m., Eric Hanson wrote:
> > ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/VectorCoalesce.java,
> >  line 126
> > <https://reviews.apache.org/r/18025/diff/1/?file=483652#file483652line126>
> >
> >     This can have > 1 argument. Please add comment to explain.
> >     
> >

This class should not return a descriptor, because it can take variable number 
of arguments with different data types. 


- Jitendra


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On Feb. 14, 2014, 1:49 a.m., Jitendra Pandey wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/18025/
> -----------------------------------------------------------
> 
> (Updated Feb. 14, 2014, 1:49 a.m.)
> 
> 
> Review request for hive and Eric Hanson.
> 
> 
> Bugs: HIVE-5759
>     https://issues.apache.org/jira/browse/HIVE-5759
> 
> 
> Repository: hive-git
> 
> 
> Description
> -------
> 
> Implement vectorized support for COALESCE conditional expression
> 
> 
> Diffs
> -----
> 
>   ql/src/java/org/apache/hadoop/hive/ql/exec/vector/BytesColumnVector.java 
> f1eef14 
>   ql/src/java/org/apache/hadoop/hive/ql/exec/vector/ColumnVector.java 0a8811f 
>   ql/src/java/org/apache/hadoop/hive/ql/exec/vector/DecimalColumnVector.java 
> d0d8597 
>   ql/src/java/org/apache/hadoop/hive/ql/exec/vector/DoubleColumnVector.java 
> cb23129 
>   ql/src/java/org/apache/hadoop/hive/ql/exec/vector/LongColumnVector.java 
> aa05b19 
>   ql/src/java/org/apache/hadoop/hive/ql/exec/vector/VectorizationContext.java 
> 7141d63 
>   
> ql/src/java/org/apache/hadoop/hive/ql/exec/vector/expressions/VectorCoalesce.java
>  PRE-CREATION 
>   ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/Vectorizer.java 
> 21fe8ca 
>   ql/src/test/queries/clientpositive/vector_coalesce.q PRE-CREATION 
>   ql/src/test/results/clientpositive/vector_coalesce.q.out PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/18025/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Jitendra Pandey
> 
>

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