grafana/metrics-drilldown

Fix: remove heatmap transformation no data work around

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#1123 aperta il 9 mar 2026

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Descrizione

What is this?

Remove the heatmap panel transformation to filter empty heatmap data frame responses, substituting an empty frame with no fields.

When can we do this?

When Prometheus returns an empty frame with no fields, compliant with the data plane no data contract. When this issue is closed https://github.com/grafana/grafana-prometheus-datasource/issues/115

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