[jira] [Work started] (HIVE-23345) INT64 Parquet timestamps cannot be read into bigint Hive type

["Panagiotis Garefalakis (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-23345?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HIVE-23345 started by Panagiotis Garefalakis.
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> INT64 Parquet timestamps cannot be read into bigint Hive type
> -------------------------------------------------------------
>
>                 Key: HIVE-23345
>                 URL: https://issues.apache.org/jira/browse/HIVE-23345
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 4.0.0
>            Reporter: Marta Kuczora
>            Assignee: Panagiotis Garefalakis
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-23345.01.patch
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> How to reproduce:
> - create external table ts_pq (ts timestamp) stored as parquet;
> - insert into ts_pq values ('1998-10-03 09:58:31.231');
> - create external table ts_pq_2 (ts bigint) stored as parquet location '<location of ts_pq>';
> - select * from ts_pq_2;
> The following exception occurs during the select:
> Failed with exception java.io.IOException:org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.ClassCastException: org.apache.hadoop.hive.serde2.io.TimestampWritableV2 cannot be cast to org.apache.hadoop.io.LongWritable



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