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https://issues.apache.org/jira/browse/DERBY-2206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12465781
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Rick Hillegas commented on DERBY-2206:
--------------------------------------

Thanks for the quick responses, Dan. I'd like to continue the discussion of 
"Setting derby.database.classpath" using the example you gave. Here's some more 
detail on the problem case I had in mind:

o Suppose that there's an entry point Start_3() in the THREE jar file.

o Suppose that Start_3() calls methods in class Next.

o Suppose that there are three different versions of the Next class, one in 
each of the jar files.

o Which version of the Next class gets picked up to resolve the references in 
Start_3()?

It seems to me that the ANSI rules will give you the version of Next which 
lives in THREE. However, the Derby rules will give you the version in ONE.


> Provide complete security model for Java routines
> -------------------------------------------------
>
>                 Key: DERBY-2206
>                 URL: https://issues.apache.org/jira/browse/DERBY-2206
>             Project: Derby
>          Issue Type: New Feature
>          Components: Security, SQL
>            Reporter: Rick Hillegas
>             Fix For: 10.3.0.0
>
>
> Add GRANT/REVOKE mechanisms to control which jar files can be mined for 
> user-created objects such as Functions and Procedures. In the future this may 
> include Aggregates and Function Tables also. The issues are summarized on the 
> following wiki page: http://wiki.apache.org/db-derby/JavaRoutineSecurity. 
> Plugin management can be tracked by this JIRA rather than by DERBY-2109. This 
> is a master JIRA to which subtasks can be linked.

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