dosubot[bot] commented on issue #43728: URL: https://github.com/apache/superset/issues/43728#issuecomment-5482567331
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I can confirm the frontend renderer [`Partition.js`](https://github.com/apache/superset/blob/829e4d92d91ceae4b43b1ed3b063ffe45377799c/superset-frontend/plugins/legacy-plugin-chart-partition/src/Partition.js) (note: `.js`, not `.ts` as mentioned in the issue) treats `n.name` as a plain string in every consumer you identified: - `n.name = n.data.name;` in the `eachAfter` pass [[1]](https://github.com/apache/superset/blob/829e4d92d91ceae4b43b1ed3b063ffe45377799c/superset-frontend/plugins/legacy-plugin-chart-partition/src/Partition.js#L183-L187) - The sort comparator `b.name > a.name ? 1 : -1` [[2]](https://github.com/apache/superset/blob/829e4d92d91ceae4b43b1ed3b063ffe45377799c/superset-frontend/plugins/legacy-plugin-chart-partition/src/Partition.js#L203-L210) - The rich-tooltip cell ``<td>${n.name}</td>`` [[3]](https://github.com/apache/superset/blob/829e4d92d91ceae4b43b1ed3b063ffe45377799c/superset-frontend/plugins/legacy-plugin-chart-partition/src/Partition.js#L280) - The on-chart segment label `d.disp ? `${d.name}: ${d.disp}` : d.name` [[4]](https://github.com/apache/superset/blob/829e4d92d91ceae4b43b1ed3b063ffe45377799c/superset-frontend/plugins/legacy-plugin-chart-partition/src/Partition.js#L377-L383) - The categorical color key `colorFn(d.name, sliceId)` [[5]](https://github.com/apache/superset/blob/829e4d92d91ceae4b43b1ed3b063ffe45377799c/superset-frontend/plugins/legacy-plugin-chart-partition/src/Partition.js#L387) The PropTypes also declare `name: PropTypes.string` for both leaf and parent shapes [[6]](https://github.com/apache/superset/blob/829e4d92d91ceae4b43b1ed3b063ffe45377799c/superset-frontend/plugins/legacy-plugin-chart-partition/src/Partition.js#L57-L70), confirming the file was never updated to expect arrays. Your proposed fix — adding an `Array.isArray` guard to extract the last element right after `n.name = n.data.name` and before any of the sort/tooltip/label/color consumers run — looks correct and appropriately minimal. It's a single normalization point that fixes all four consumers at once, and it won't conflict with the `hasDateNode` date-formatting logic that also mutates `n.name` later in the same `eachAfter` block [[7]](https://github.com/apache/superset/blob/829e4d92d91ceae4b43b1ed3b063ffe45377799c/superset-frontend/plugins/legacy-plugin-chart-partition/src/Partition.js#L190-L194). One additional note: [PR #41729](https://github.com/apache/superset/pull/41729) recently migrated the partition chart to the v1 chart data API by adding `buildQuery.ts`, `transformData.ts`, and updating `transformProps.ts` — but the actual rendering file `Partition.js` was left untouched. That PR's `transformData.ts` re-implements `nest_values` on the frontend side and appears to use the same dim-path-as-array convention for node names, so the same `Array.isArray` normalization in `Partition.js` would be needed regardless of whether the chart is served via the legacy or v1 API path. Worth verifying that in your PR. Opening a PR with this fix would be very welcome — it's well-scoped and you've clearly validated it thoroughly. <!-- Dosu Comment Footer --> *To reply, just mention [@dosu](<https://go.dosu.dev/dosubot?utm_source=github&utm_medium=bot-comment&utm_campaign=github-comment-footer-20260415&utm_content=reply-with-mention&utm_term=apache%2Fsuperset>).* --- Docs are dead. Just use [Dosu](https://dosu.dev?utm_source=github&utm_medium=bot-comment&utm_campaign=github-comment-footer-20260415&utm_content=static-docs-tagline&utm_term=apache%2Fsuperset). 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