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From "Vitalii Diravka (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (DRILL-5002) Using hive's date functions on top of date column in parquet gives wrong results
Date Mon, 19 Dec 2016 10:46:58 GMT

     [ https://issues.apache.org/jira/browse/DRILL-5002?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vitalii Diravka closed DRILL-5002.
----------------------------------
    Resolution: Won't Fix

Since DRILL-4203 was fixed, changes for this ticket are not required.

> Using hive's date functions on top of date column in parquet gives wrong results
> --------------------------------------------------------------------------------
>
>                 Key: DRILL-5002
>                 URL: https://issues.apache.org/jira/browse/DRILL-5002
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Functions - Hive, Storage - Parquet
>            Reporter: Rahul Challapalli
>            Assignee: Vitalii Diravka
>            Priority: Critical
>
> git.commit.id.abbrev=190d5d4
> Wrong Result 1 :
> {code}
> select l_shipdate, `month`(l_shipdate) from cp.`tpch/lineitem.parquet` where l_shipdate
= date '1994-02-01' limit 2;
> +-------------+---------+
> | l_shipdate  | EXPR$1  |
> +-------------+---------+
> | 1994-02-01  | 1       |
> | 1994-02-01  | 1       |
> +-------------+---------+
> {code}
> Wrong Result 2 : 
> {code}
> select l_shipdate, `day`(l_shipdate) from cp.`tpch/lineitem.parquet` where l_shipdate
= date '1998-06-02' limit 2;
> +-------------+---------+
> | l_shipdate  | EXPR$1  |
> +-------------+---------+
> | 1998-06-02  | 1       |
> | 1998-06-02  | 1       |
> +-------------+---------+
> {code}
> Correct Result :
> {code}
> select l_shipdate, `month`(l_shipdate) from cp.`tpch/lineitem.parquet` where l_shipdate
= date '1998-06-02' limit 2;
> +-------------+---------+
> | l_shipdate  | EXPR$1  |
> +-------------+---------+
> | 1998-06-02  | 6       |
> | 1998-06-02  | 6       |
> +-------------+---------+
> {code}
> It looks like we are getting wrong results when the 'day' is '01'. I only tried month
and day hive functions....but wouldn't be surprised if they have similar issues too.



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