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From "Ryan McGuire (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9952) UDF with no parameters prevents cqlsh DESCRIBE from working
Date Wed, 02 Sep 2015 16:31:47 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14727588#comment-14727588
] 

Ryan McGuire commented on CASSANDRA-9952:
-----------------------------------------

I can reproduce this problem on cassandra-2.2 HEAD. It appears to have been fixed in the cassandra-3.0
branch. 

> UDF with no parameters prevents cqlsh DESCRIBE from working
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-9952
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9952
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Tools
>         Environment: ubuntu 64 bit, using ccm tool with a one node cluster, release 2.2.0
>            Reporter: Jim Meyer
>            Priority: Minor
>             Fix For: 2.2.x
>
>
> If I create a user defined function that takes no parameters like this:
> cqlsh:test> CREATE FUNCTION no_parm() CALLED ON NULL INPUT RETURNS bigint LANGUAGE
java AS 'return System.currentTimeMillis() / 1000L;';
> The function works fine in queries, but in cqlsh the describe command stops working:
>     cqlsh:test> DESC KEYSPACE test;
>     izip argument #1 must support iteration
> If I drop the function, then describe starts working normally again.  It appears describe
assumes there is at least one argument for UDF's, but creating and using the functions does
not.



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