GitHub user zjffdu opened a pull request:
https://github.com/apache/zeppelin/pull/3002
ZEPPELIN-3520. Use the first one as the default value of dynamic form
dropdown list
### What is this PR for?
This PR would use the first one as the default value of dynamic form
dropdown list. Otherwise user will get error when the return value of null.
### What type of PR is it?
[Bug Fix]
### Todos
* [ ] - Task
### What is the Jira issue?
* Open an issue on Jira https://issues.apache.org/jira/browse/ZEPPELIN/
* Put link here, and add [ZEPPELIN-*Jira number*] in PR title, eg.
[ZEPPELIN-533]
### How should this be tested?
* First time? Setup Travis CI as described on
https://zeppelin.apache.org/contribution/contributions.html#continuous-integration
* Strongly recommended: add automated unit tests for any new or changed
behavior
* Outline any manual steps to test the PR here.
### Screenshots (if appropriate)
### Questions:
* Does the licenses files need update?
* Is there breaking changes for older versions?
* Does this needs documentation?
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zjffdu/zeppelin ZEPPELIN-3520
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/3002.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3002
----
commit ba09e537880b7104af660339408cfd510a8b03ec
Author: Jeff Zhang <zjffdu@...>
Date: 2018-06-02T06:38:25Z
ZEPPELIN-3520. Use the first one as the default value of dynamic form
dropdown list
----
---
