[FLINK-21050] Add an example for complex UDFs

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.13.0
• Component/s: Examples, Table SQL / API
• Labels: pull-request-available
• Assignee: Timo Walther
• Reporter: Timo Walther
• Created: 20/Jan/21 08:41
• Updated: 28/May/21 07:12
• Resolved: 22/Jan/21 20:07

Description

People will always ask for more complex UDF examples, so we should have a dedicated package with some examples of UDFs.

Issue Links

• links to: GitHub Pull Request #14714