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https://issues.apache.org/jira/browse/HIVE-15919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15869617#comment-15869617
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Jason Dere commented on HIVE-15919:
-----------------------------------

Looking at the related qfile failures:
vector_reduce_groupby_decimal.q: eliminate 2 dubious instances of 
CastDecimalToBoolean
vectorization_8.q: Comparison functions need to be added to list of implicit 
conversions
vectorization_13.q: Comparison functions need to be added to list of implicit 
conversions
vector_decimal_mapjoin.q: eliminate dubious instance of CastDecimalToBoolean
vectorization_short_regress.q: Comparison functions need to be added to list of 
implicit conversions

[~mmccline], what do you think of the solution? If you agree with this 
approach, I'll make the appropriate changes to the patch.

> Row count mismatch for count * query
> ------------------------------------
>
>                 Key: HIVE-15919
>                 URL: https://issues.apache.org/jira/browse/HIVE-15919
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2
>            Reporter: Aswathy Chellammal Sreekumar
>            Assignee: Jason Dere
>         Attachments: HIVE-15919.1.patch, table_14.q, table_6.q
>
>
> The following query is returning different output when run against hive and 
> postgres.
> Query:
> SELECT COUNT (*)
> FROM
> (SELECT LAG(COALESCE(t2.int_col_14, t1.int_col_80),22) OVER (ORDER BY 
> t1.tinyint_col_52 DESC) AS int_col
> FROM table_6 t1
> INNER JOIN table_14 t2 ON ((t2.decimal0101_col_55) = (t1.decimal0101_col_9))) 
> AS FOO;
> From hive: 0
> From postgres: 66903279
> Attaching ddl files for the tables.



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