Hi Prashant, this sounds like a problem with Hive, not with Parquet.

If you have urgent requirements or problems, I recommend contacting your
Hadoop vendor.

rb

On Sat, Oct 20, 2018 at 10:14 AM Prashant Agarwal <prashantam...@gmail.com>
wrote:

> Dear Parquet Dev Community,
>
> As per the requirement, I want to add the comment on each column in Hive
> Parquet table. I am trying to add comment as below:
>
> create external table parquet_db.bdv_table
> (
> registration_dttm timestamp comment 'Registration_date',
> id int comment 'id_for_person',
> name string comment 'user_name',
> email string comment 'email_address'
> )
> ROW FORMAT SERDE 'parquet.hive.serde.ParquetHiveSerDe'
> STORED AS parquet
>
> Location '/user/****/***';
>
>
> But comments are not appearing on, however DDL gets created and data is
> also loading.
>
> However, I have tried to view the comments by following commands:
> 1. describe bdv_table
> 2. describe formatted bdv_table
> 3. show create table bdv_table.
>
> But comments are not appearing. I think this is the issue with SerDe.
> Please let me know, how to add the comments in Hive Parquet table for each
> column. This is urgent requirement.
>
> --
> Thanks and Regards,
> Prashant Agarwal
> Sr. System Engineer
>


-- 
Ryan Blue
Software Engineer
Netflix

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