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From "Mani M (JIRA)" <>
Subject [jira] [Commented] (HIVE-21270) A UDTF to show schema (column names and types) of given query
Date Sat, 16 Feb 2019 06:57:00 GMT


Mani M commented on HIVE-21270:

Run the check style in your local machine first, before submitting the patch.

In pom.xml comment all the projects other than ql, run maven checkstyle aggregate and check
for the issues in checkstyle result.xml in target directory.

Then uncomment the pom.xml earlier commented lines before creating the patch file.

> A UDTF to show schema (column names and types) of given query
> -------------------------------------------------------------
>                 Key: HIVE-21270
>                 URL:
>             Project: Hive
>          Issue Type: New Feature
>          Components: UDF
>    Affects Versions: 4.0.0
>            Reporter: Shubham Chaurasia
>            Assignee: Shubham Chaurasia
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-21270.1.patch, HIVE-21270.2.patch, HIVE-21270.3.patch, HIVE-21270.4.patch,
HIVE-21270.5.patch, HIVE-21270.6.patch
>          Time Spent: 1h
>  Remaining Estimate: 0h
> We can get ResultSet metadata using \{{ResultSet#getMetaData()}} but JDBC provides no
way of getting nested data types(of columns) associated with it. This UDTF helps to retrieve
each column name and it's data type.

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