[7.x] [Metrics Alerts] Fix saving doc count alerts (elastic#63880)

brianseeders · Apr 20, 2020 · 567df0d · 567df0d
1 parent 3e6a1a2
commit 567df0d
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/x-pack/plugins/infra/public/components/alerting/metrics/expression.tsx b/x-pack/plugins/infra/public/components/alerting/metrics/expression.tsx
@@ -378,7 +378,11 @@ export const ExpressionRow: React.FC<ExpressionRowProps> = props => {
 
   const updateAggType = useCallback(
     (at: string) => {
-      setAlertParams(expressionId, { ...expression, aggType: at as MetricExpression['aggType'] });
+      setAlertParams(expressionId, {
+        ...expression,
+        aggType: at as MetricExpression['aggType'],
+        metric: at === 'count' ? undefined : expression.metric,
+      });
     },
     [expressionId, expression, setAlertParams]
   );