[FLINK-18936] Update documentation about user-defined aggregate functions

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.12.0
• Component/s: Documentation
• Labels: pull-request-available
• Assignee: Timo Walther
• Reporter: Timo Walther
• Created: 13/Aug/20 07:49
• Updated: 14/Aug/20 12:38
• Resolved: 14/Aug/20 12:38

Description

The documentation needs an update because all functions support the new type inference now.

Issue Links

• links to: GitHub Pull Request #13143