feat(transformations): allow groupBy aggregation

packages/grafana-data/src/transformations/transformers/groupBy.ts

@@ -146,11 +146,7 @@ export const groupByTransformer: DataTransformerInfo<GroupByTransformerOptions>
 
 const shouldCalculateField = (field: Field, options: GroupByTransformerOptions): boolean => {
   const fieldName = getFieldDisplayName(field);
-  return (
-    options?.fields[fieldName]?.operation === GroupByOperationID.aggregate &&
-    Array.isArray(options?.fields[fieldName].aggregations) &&
-    options?.fields[fieldName].aggregations.length > 0
-  );
+  return Array.isArray(options?.fields[fieldName]?.aggregations) && options?.fields[fieldName].aggregations.length > 0;
 };
 
 /**

public/app/features/transformers/editors/GroupByTransformerEditor.tsx

@@ -26,11 +26,7 @@ interface FieldProps {
   onConfigChange: (config: GroupByFieldOptions) => void;
 }
 
-export const GroupByTransformerEditor = ({
-  input,
-  options,
-  onChange,
-}: TransformerUIProps<GroupByTransformerOptions>) => {
+const GroupByTransformerEditor = ({ input, options, onChange }: TransformerUIProps<GroupByTransformerOptions>) => {
   const fieldNames = useAllFieldNamesFromDataFrames(input, true);
 
   const onConfigChange = useCallback(
@@ -88,7 +84,7 @@ export const GroupByTransformerEditor = ({
   );
 };
 
-export const GroupByFieldConfiguration = ({ fieldName, config, onConfigChange }: FieldProps) => {
+const GroupByFieldConfiguration = ({ fieldName, config, onConfigChange }: FieldProps) => {
   const theme = useTheme2();
 
   const styles = getStyles(theme);
@@ -127,7 +123,7 @@ export const GroupByFieldConfiguration = ({ fieldName, config, onConfigChange }:
           />
         </div>
 
-        {config?.operation === GroupByOperationID.aggregate && (
+        {config?.operation && (
           <StatsPicker
             className={styles.aggregations}
             placeholder={t('transformers.group-by-field-configuration.placeholder-select-stats', 'Select stats')}