[APEXMALHAR-2450] UniqueCounter emits empty maps even when there is no input

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.7.0
• Assignee: Thomas Weise
• Reporter: Thomas Weise
• Created: 21/Mar/17 00:29
• Updated: 01/Apr/17 05:51
• Resolved: 22/Mar/17 19:26

Description

No inputs received, empty maps produced. The operator is probably only used in demos, and that's how the issue was noticed. Word count result files filled with just {}s. The suggested solution is to change the operator to only emit non-empty results.

Issue Links

• links to: GitHub Pull Request #584