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ql/src/java/org/apache/hadoop/hive/ql/optimizer/optiq/stats/HiveRelMdRowCount.java
<https://reviews.apache.org/r/25179/#comment90821>

    You referring to the join with Date Dimensions in the case of TPCDS, right? 
    AS we discussed will address the special case of the child RelNode trees 
containing only TScan/Filter/Project.



ql/src/java/org/apache/hadoop/hive/ql/optimizer/optiq/stats/HiveRelMdUniqueKeys.java
<https://reviews.apache.org/r/25179/#comment90822>

    yes will add logging.
    BTW the check based on range depends on HIVE-7915 going in, that exposes 
the high and low values in the ColumnStatistics object.


- Harish Butani


On Sept. 2, 2014, 8:23 p.m., Harish Butani wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/25179/
> -----------------------------------------------------------
> 
> (Updated Sept. 2, 2014, 8:23 p.m.)
> 
> 
> Review request for hive, Gunther Hagleitner, John Pullokkaran, and Mostafa 
> Mokhtar.
> 
> 
> Repository: hive-git
> 
> 
> Description
> -------
> 
> CBO: more cost model changes
> 
> 
> Diffs
> -----
> 
>   
> ql/src/java/org/apache/hadoop/hive/ql/optimizer/optiq/HiveDefaultRelMetadataProvider.java
>  2c08772 
>   
> ql/src/java/org/apache/hadoop/hive/ql/optimizer/optiq/stats/HiveRelMdRowCount.java
>  PRE-CREATION 
>   
> ql/src/java/org/apache/hadoop/hive/ql/optimizer/optiq/stats/HiveRelMdSelectivity.java
>  df70de2 
>   
> ql/src/java/org/apache/hadoop/hive/ql/optimizer/optiq/stats/HiveRelMdUniqueKeys.java
>  PRE-CREATION 
>   ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java 6c293c8 
> 
> Diff: https://reviews.apache.org/r/25179/diff/
> 
> 
> Testing
> -------
> 
> existing tests.
> 
> 
> Thanks,
> 
> Harish Butani
> 
>

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