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From "Vitalii Diravka (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (DRILL-4373) Drill and Hive have incompatible timestamp representations in parquet
Date Fri, 03 Mar 2017 08:44:45 GMT

     [ https://issues.apache.org/jira/browse/DRILL-4373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vitalii Diravka resolved DRILL-4373.
------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.10.0

This is resolved since [DRILL-5034|https://issues.apache.org/jira/browse/DRILL-5034] is fixed.

> Drill and Hive have incompatible timestamp representations in parquet
> ---------------------------------------------------------------------
>
>                 Key: DRILL-4373
>                 URL: https://issues.apache.org/jira/browse/DRILL-4373
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Storage - Hive, Storage - Parquet
>    Affects Versions: 1.8.0
>            Reporter: Rahul Challapalli
>            Assignee: Vitalii Diravka
>              Labels: doc-impacting
>             Fix For: 1.10.0
>
>
> git.commit.id.abbrev=83d460c
> I created a parquet file with a timestamp type using Drill. Now if I define a hive table
on top of the parquet file and use "timestamp" as the column type, drill fails to read the
hive table through the hive storage plugin
> Implementation: 
> Added int96 to timestamp converter for both parquet readers and controling it by system
/ session option "store.parquet.int96_as_timestamp".
> The value of the option is false by default for the proper work of the old query scripts
with the "convert_from TIMESTAMP_IMPALA" function.
> When the option is true using of that function is unnesessary and can lead to the query
fail.



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