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From "Sam Tunnicliffe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-7556) Update cqlsh for UDFs
Date Thu, 11 Jun 2015 08:46:01 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-7556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14581686#comment-14581686
] 

Sam Tunnicliffe commented on CASSANDRA-7556:
--------------------------------------------

[~snazy] It was intentional to not support GRANT/REVOKE on functions without arguments. When
the permissions are checked in {{SelectStatement#checkAccess}}, the FunctionResource is derived
from the actual Function object, so it always has argtypes. If you grant permissions on the
function without arguments, then the resource in the permissions table won't match and the
request will be rejected. 

Also, what does it mean to apply permissions without argtypes where the function is overloaded?
Should such a GRANT that mean the role has permissions on *all* overloaded versions? What
if we they REVOKE permissions on a specific overload? IMO keeping things explicit is simpler
and simpler is better here.

> Update cqlsh for UDFs
> ---------------------
>
>                 Key: CASSANDRA-7556
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7556
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Tools
>            Reporter: Tyler Hobbs
>            Assignee: Robert Stupp
>              Labels: udf
>             Fix For: 2.2.x
>
>         Attachments: 7556-2.txt, 7556.txt
>
>
> Once CASSANDRA-7395 and CASSANDRA-7526 are complete, we'll want to add cqlsh support
for user defined functions.
> This will include:
> * Completion for {{CREATE FUNCTION}} and {{DROP FUNCTION}}
> * Tolerating (almost) arbitrary text inside function bodies
> * {{DESCRIBE TYPE}} support
> * Including types in {{DESCRIBE KEYSPACE}} output
> * Possibly {{GRANT}} completion for any new privileges



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