[OPT-2255] Flow node frequency reports return null on zero count Created: 14/May/19  Updated: 28/Jun/19  Resolved: 19/Jun/19

Status: Done
Project: Camunda Optimize
Component/s: backend
Affects Version/s: None
Fix Version/s: 2.5.0

Type: Task Priority: L3 - Default
Reporter: Johannes Heinemann Assignee: Unassigned
Resolution: Fixed Votes: 0
Labels: current_release
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
is related to OPT-2263 We should not show tooltips for flown... Done



  • the evaluation of flow node frequency reports returns null for all flow nodes that have never been executed

The heatmap in the front-end distinguishes between three states:

  • a flow node has a number larger than 0
  • a flow node value is 0
  • a flow node has never been executed and is therefore null

This is because in a duration heatmap a flow node can have a duration of zero but still has been executed. For those flow nodes with zero duration we still show a heat so that users know that those have been executed with a small duration. Hence, we need those three states. If we now return also zero for flow node frequency reports, those flow nodes will also have a heat, which is actually not what we want.

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