aminghadersohi commented on code in PR #40617:
URL: https://github.com/apache/superset/pull/40617#discussion_r3342892294


##########
superset-frontend/plugins/plugin-chart-echarts/src/Histogram/buildQuery.ts:
##########
@@ -21,13 +21,24 @@ import { histogramOperator } from 
'@superset-ui/chart-controls';
 import { HistogramFormData } from './types';
 
 export default function buildQuery(formData: HistogramFormData) {
-  const { column, groupby = [] } = formData;
+  const { column, groupby = [], adhoc_filters } = formData;
+  const hasHavingFilter = (adhoc_filters ?? []).some(
+    (filter: { clause?: string }) => filter.clause === 'HAVING',

Review Comment:
   **MEDIUM — inline type `{ clause?: string }` should use `AdhocFilter`**
   
   `HistogramFormData` extends `QueryFormData` which already types 
`adhoc_filters?: AdhocFilter[] | null` via `BaseFormData`. TypeScript can infer 
`filter: AdhocFilter` in the `.some()` callback without an explicit annotation. 
The inline annotation introduces two problems:
   
   1. Makes `clause` optional (adds `?`) when `BaseAdhocFilter.clause` is the 
required union `'WHERE' | 'HAVING'`.
   2. Widens the element type from the literal union to `string`, losing 
narrowing.
   
   Fix — remove the annotation and let TypeScript infer, or use the proper type:
   ```ts
   (filter: AdhocFilter) => filter.clause === 'HAVING',
   ```
   `AdhocFilter` is already re-exported from `@superset-ui/core` — no new 
import needed.



##########
superset-frontend/plugins/plugin-chart-echarts/src/Histogram/buildQuery.ts:
##########
@@ -21,13 +21,24 @@ import { histogramOperator } from 
'@superset-ui/chart-controls';
 import { HistogramFormData } from './types';
 
 export default function buildQuery(formData: HistogramFormData) {
-  const { column, groupby = [] } = formData;
+  const { column, groupby = [], adhoc_filters } = formData;
+  const hasHavingFilter = (adhoc_filters ?? []).some(

Review Comment:
   **MEDIUM — `extra_form_data.adhoc_filters` HAVING filters not detected**
   
   `adhoc_filters` here is `formData.adhoc_filters` only. HAVING filters 
injected by dashboard native filter boxes arrive via 
`extra_form_data.adhoc_filters`, which `buildQueryContext` merges into the 
built query — but those filters are invisible to this check. If a dashboard box 
injects a HAVING clause, `hasHavingFilter` stays `false`, `metrics` stays 
`undefined`, and the invalid-SQL path from #30330 fires.
   
   This is a niche path (HAVING filters via dashboard boxes are uncommon), so 
not a hard blocker. Worth a follow-up issue or an inline comment scoping the 
fix to the direct-filter path.



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