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From "peter liu (JIRA)" <>
Subject [jira] [Commented] (HIVE-8094) add LIKE keyword support for SHOW FUNCTIONS
Date Mon, 22 Sep 2014 04:53:33 GMT


peter liu commented on HIVE-8094:

[~thejas] Thanks for the comments.

1. I will make sure all the positive cases to be backward compatible. One question is we don't
need to be backward compatible to all the negative cases, do we? For example SHOW FUNCTIONS
'***' doesn't show anything before, but it will show all the functions after my change.

2. I will move getFunctions call out of the loop. 

3. The reason I replaced FunctionRegistry.mFunctions with getFunctions call is that in HS2
case I can't get the permanent UDFs with SHOW FUNCTIONS [regex] but SHOW FUNCTIONS works,
so I guess they are probably not contained in static FunctionRegistry.mFunctions

> add LIKE keyword support for SHOW FUNCTIONS
> -------------------------------------------
>                 Key: HIVE-8094
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>    Affects Versions: 0.14.0, 0.13.1
>            Reporter: peter liu
>            Assignee: peter liu
>             Fix For: 0.14.0
>         Attachments: HIVE-8094.1.patch, HIVE-8094.2.patch
> It would be nice to  add LIKE keyword support for SHOW FUNCTIONS as below, and keep the
patterns consistent to the way as SHOW DATABASES, SHOW TABLES.

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