fix(adoption-insights): fix subquery alias in total_users endpoint to support older PG versions (#608)

Author: karthikjeeyar

workspaces/adoption-insights/.changeset/evil-rice-itch.md

@@ -0,0 +1,5 @@
+---
+'@red-hat-developer-hub/backstage-plugin-adoption-insights-backend': patch
+---
+
+fix subquery alias in total_users endpoint

workspaces/adoption-insights/plugins/adoption-insights-backend/src/database/adapters/BaseAdapter.ts

@@ -149,9 +149,9 @@ export abstract class BaseDatabaseAdapter implements EventDatabase {
         db('events')
           .select('user_ref')
           .whereBetween('created_at', [start_date, end_date])
-          .groupBy('user_ref'),
-      )
-      .as('sub');
+          .groupBy('user_ref')
+          .as('sub'),
+      );
 
     return query.then(result => {
       const { licensedUsers } = this.config!;