[jira] [Commented] (HAWQ-829) Register Hive generated parquet file into HAWQ

["Lili Ma (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HAWQ-829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15335281#comment-15335281 ] 

Lili Ma commented on HAWQ-829:
------------------------------

Paste the type mapping summary here. 
1. The types can be directly mapped from Hive to HAWQ: boolean, int, smallint, tinyint, bigint, float, double, string, binary,char, varchar.
2. The types mapping exist problem: date, timestamp, decimal.
3. The extended types does not support: array, struct, map, union.

For the first step, we can support category 1, and this has been implemented.

> Register Hive generated parquet file into HAWQ
> ----------------------------------------------
>
>                 Key: HAWQ-829
>                 URL: https://issues.apache.org/jira/browse/HAWQ-829
>             Project: Apache HAWQ
>          Issue Type: Sub-task
>          Components: Storage
>            Reporter: Lili Ma
>            Assignee: Lei Chang
>         Attachments: HAWQTypeMappingtoParquetType.pdf
>
>
> As a user, I can register the parquet files generated by Hive to HAWQ, so that I can access Hive generated file from HAWQ directly.



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