Refactor saved query request to not set page size of 10000 (#124187)

* Update saved query service to fix expensive query

* Fix types

src/plugins/data/public/query/saved_query/saved_query_service.test.ts

@@ -67,9 +67,7 @@ describe('saved query service', () => {
       });
       const result = await getAllSavedQueries();
       expect(http.post).toBeCalled();
-      expect(http.post).toHaveBeenCalledWith('/api/saved_query/_find', {
-        body: '{"perPage":10000}',
-      });
+      expect(http.post).toHaveBeenCalledWith('/api/saved_query/_all');
       expect(result).toEqual([{ attributes: savedQueryAttributes }]);
     });
   });

src/plugins/data/public/query/saved_query/saved_query_service.ts

@@ -28,8 +28,7 @@ export const createSavedQueryService = (http: HttpStart) => {
   // we have to tell the saved objects client how many to fetch, otherwise it defaults to fetching 20 per page
   const getAllSavedQueries = async (): Promise<SavedQuery[]> => {
     const { savedQueries } = await http.post<{ savedQueries: SavedQuery[] }>(
-      '/api/saved_query/_find',
-      { body: JSON.stringify({ perPage: 10000 }) }
+      '/api/saved_query/_all'
     );
     return savedQueries;
   };

src/plugins/data/server/query/route_handler_context.ts

@@ -136,6 +136,22 @@ export function registerSavedQueryRouteHandlerContext(context: RequestHandlerCon
     return { total, savedQueries };
   };
 
+  const getAllSavedQueries = async () => {
+    const finder = context.core.savedObjects.client.createPointInTimeFinder<SavedQueryAttributes>({
+      type: 'query',
+      perPage: 100,
+    });
+
+    const savedObjects: Array<SavedObject<SavedQueryAttributes>> = [];
+    for await (const response of finder.find()) {
+      savedObjects.push(...(response.saved_objects ?? []));
+    }
+    await finder.close();
+
+    const savedQueries = savedObjects.map(injectReferences);
+    return { total: savedQueries.length, savedQueries };
+  };
+
   const deleteSavedQuery = (id: string) => {
     return context.core.savedObjects.client.delete('query', id);
   };
@@ -146,6 +162,7 @@ export function registerSavedQueryRouteHandlerContext(context: RequestHandlerCon
     get: getSavedQuery,
     count: getSavedQueriesCount,
     find: findSavedQueries,
+    getAll: getAllSavedQueries,
     delete: deleteSavedQuery,
   };
 }

src/plugins/data/server/query/routes.ts

@@ -123,6 +123,22 @@ export function registerSavedQueryRoutes({ http }: CoreSetup): void {
     }
   );
 
+  router.post(
+    {
+      path: `${SAVED_QUERY_PATH}/_all`,
+      validate: {},
+    },
+    async (context, request, response) => {
+      try {
+        const body = await context.savedQuery.getAll();
+        return response.ok({ body });
+      } catch (e) {
+        // TODO: Handle properly
+        return response.customError(e);
+      }
+    }
+  );
+
   router.delete(
     {
       path: `${SAVED_QUERY_PATH}/{id}`,