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From "ASF GitHub Bot (Jira)" <>
Subject [jira] [Work logged] (HIVE-22224) Support Parquet-Avro Timestamp Type
Date Sun, 07 Jun 2020 00:26:02 GMT


ASF GitHub Bot logged work on HIVE-22224:

                Author: ASF GitHub Bot
            Created on: 07/Jun/20 00:25
            Start Date: 07/Jun/20 00:25
    Worklog Time Spent: 10m 
      Work Description: github-actions[bot] commented on pull request #871:

   This pull request has been automatically marked as stale because it has not had recent
activity. It will be closed if no further activity occurs.
   Feel free to reach out on the list if the patch is in need of reviews.

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Issue Time Tracking

    Worklog Id:     (was: 442355)
    Time Spent: 20m  (was: 10m)

> Support Parquet-Avro Timestamp Type
> -----------------------------------
>                 Key: HIVE-22224
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: Database/Schema
>    Affects Versions: 2.3.5, 2.3.6
>            Reporter: cdmikechen
>            Assignee: cdmikechen
>            Priority: Major
>              Labels: parquet, pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
> When user create an external table and import a parquet-avro data with 1.8.2 version
which supported logical_type in Hive2.3 or before version, Hive can not read timestamp type
column data correctly.
> Hive will read it as LongWritable which it actually stores as long(logical_type=timestamp-millis).So
we may add some codes in
to let Hive cast long type to timestamp type.
> Some code like below:
> public Timestamp getPrimitiveJavaObject(Object o) {
>   if (o instanceof LongWritable) {
>     return new Timestamp(((LongWritable) o).get());
>   }
>   return o == null ? null : ((TimestampWritable) o).getTimestamp();
> }

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