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https://issues.apache.org/jira/browse/DERBY-3809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12639039#action_12639039
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Rick Hillegas commented on DERBY-3809:
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Hi Kevin,
Thanks for your interest in this issue. A good place to start would be to look
at the enabled-roles-3.diff patch which Dag attached to DERBY-3886. In that
patch, Dag added 2 new ij SHOW commands for displaying information about ROLES.
The patch steps you through all of the work which you need to do to add a new
ij command, from adding your new command to the ij grammar in ij.jj all the way
through to writing a regression test to verify that your command works. I would
recommend starting in the ij.jj grammar and follow what Dag did for SHOW
SETTABLE ROLES.
> Add a SHOW FUNCTONS command to ij
> ---------------------------------
>
> Key: DERBY-3809
> URL: https://issues.apache.org/jira/browse/DERBY-3809
> Project: Derby
> Issue Type: Improvement
> Components: Tools
> Affects Versions: 10.4.1.3
> Reporter: Rick Hillegas
>
> Currently, the ij SHOW command can give you information on a number of schema
> objects, including procedures. It should be fairly easy to add SHOW FUNCTIONS
> as well. This request surfaced on the user list:
> http://www.nabble.com/How-can-i-see-my-self-defined-functions--td18773980.html#a18773980
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