feat(webui): Add support for deleting Presto query results.

components/webui/client/src/api/presto-search/index.ts

@@ -44,12 +44,25 @@ const cancelQuery = async (
 };
 
 
+/**
+ * Sends delete request to server to clear presto query results.
+ *
+ * @param payload
+ * @return
+ */
+const clearQueryResults = (payload: PrestoQueryJobSchema): Promise<AxiosResponse<null>> => {
+    console.log("Clearing query:", JSON.stringify(payload));
+
+    return axios.delete("/api/presto-search/results", {data: payload});
+};
+
 export type {
     PrestoQueryJobCreationSchema,
     PrestoQueryJobSchema,
 };
 
 export {
     cancelQuery,
+    clearQueryResults,
     submitQuery,
 };

components/webui/client/src/pages/SearchPage/SearchControls/Presto/presto-search-requests.ts

@@ -1,5 +1,6 @@
 import {
     cancelQuery,
+    clearQueryResults,
     type PrestoQueryJobCreationSchema,
     type PrestoQueryJobSchema,
     submitQuery,
@@ -8,6 +9,31 @@ import useSearchStore from "../../SearchState";
 import {SEARCH_UI_STATE} from "../../SearchState/typings";
 
 
+/**
+ * Clears current presto query results on server.
+ */
+const handlePrestoClearResults = () => {
+    const {searchUiState, searchJobId} = useSearchStore.getState();
+
+    // In the starting state, there are no results to clear.
+    if (searchUiState === SEARCH_UI_STATE.DEFAULT) {
+        return;
+    }
+
+    if (null === searchJobId) {
+        console.error("Cannot clear results: searchJobId is not set.");
+
+        return;
+    }
+
+    clearQueryResults(
+        {searchJobId}
+    ).catch((err: unknown) => {
+        console.error("Failed to clear query results:", err);
+    });
+};
+
+
 /**
  * Submits a new Presto query to server.
  *
@@ -26,18 +52,15 @@ const handlePrestoQuerySubmit = (payload: PrestoQueryJobCreationSchema) => {
         return;
     }
 
+    handlePrestoClearResults();
+
     updateSearchUiState(SEARCH_UI_STATE.QUERY_ID_PENDING);
 
     submitQuery(payload)
         .then((result) => {
             const {searchJobId} = result.data;
-
             updateSearchJobId(searchJobId);
             updateSearchUiState(SEARCH_UI_STATE.QUERYING);
-
-            // eslint-disable-next-line no-warning-comments
-            // TODO: Delete previous query results when the backend is ready
-
             console.debug(
                 "Presto search job created - ",
                 "Search job ID:",
@@ -73,5 +96,6 @@ const handlePrestoQueryCancel = (payload: PrestoQueryJobSchema) => {
 };
 
 export {
-    handlePrestoQueryCancel, handlePrestoQuerySubmit,
+    handlePrestoQueryCancel,
+    handlePrestoQuerySubmit,
 };

components/webui/server/src/routes/api/presto-search/index.ts

@@ -180,6 +180,33 @@ const plugin: FastifyPluginAsyncTypebox = async (fastify) => {
             return null;
         }
     );
+
+    fastify.delete(
+        "/results",
+        {
+            schema: {
+                body: PrestoQueryJobSchema,
+                response: {
+                    [StatusCodes.NO_CONTENT]: Type.Null(),
+                    [StatusCodes.INTERNAL_SERVER_ERROR]: ErrorSchema,
+                },
+                tags: ["Presto Search"],
+            },
+        },
+        async (request, reply) => {
+            const {searchJobId} = request.body;
+
+            request.log.info({
+                searchJobId,
+            }, "api/presto-search/results args");
+
+            await mongoDb.collection(searchJobId).drop();
+
+            reply.code(StatusCodes.NO_CONTENT);
+
+            return null;
+        }
+    );
 };
 
 export default plugin;