apache/superset

"Undefined" is displayed as the metric value for custom-labeled metrics when using the "View as Table" option from a chart in the dashboard view

Open

#40,432 opened on May 26, 2026

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 (6 comments) (0 reactions) (1 assignee)TypeScript (72,837 stars) (17,291 forks)batch import
good first issueviz:charts:pie

Description

Bug description

"Undefined" is displayed as the metric value for custom-labeled metrics when using the "View as Table" option from a chart in the dashboard view

  • Create Pie chart
  • Edit the label for metric.

Screenshots/recordings

https://github.com/user-attachments/assets/2a7d1417-2ebe-4271-ac99-cc4b24d59698

Superset version

6.0.0

Python version

3.11

Node version

18 or greater

Browser

Chrome

Additional context

No response

Checklist

  • I have searched Superset docs and Slack and didn't find a solution to my problem.
  • I have searched the GitHub issue tracker and didn't find a similar bug report.
  • I have checked Superset's logs for errors and if I found a relevant Python stacktrace, I included it here as text in the "additional context" section.

Contributor guide

Tech stack
typescript
Domain
frontend
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Git
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65
Research direction
Inspect the frontend code for the 'View as Table' option in dashboard charts, specifically how custom metric labels are rendered. Look for where 'undefined' might be passed as a value. Check the chart conversion logic from chart to table view.