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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 03:37:00 GMT


Mani M commented on HIVE-21270:

Since this function is used to get the schema for the SQL query, whether any exceptions will
be raised for any SQL semantic error.

> 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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