feat(webui): Display search results in Presto UI.

components/webui/client/src/pages/SearchPage/SearchResults/SearchResultsTable/Presto/PrestoResultsVirtualTable.tsx

@@ -0,0 +1,56 @@
+import {
+    useEffect,
+    useMemo,
+} from "react";
+
+import VirtualTable from "../../../../../components/VirtualTable";
+import useSearchStore from "../../../SearchState/index";
+import {
+    getPrestoSearchResultsTableColumns,
+    PrestoSearchResult,
+} from "./typings";
+import {usePrestoSearchResults} from "./usePrestoSearchResults";
+
+
+interface PrestoResultsVirtualTableProps {
+    tableHeight: number;
+}
+
+/**
+ * Renders Presto search results in a virtual table.
+ *
+ * @param props
+ * @param props.tableHeight
+ * @return
+ */
+const PrestoResultsVirtualTable = ({tableHeight}: PrestoResultsVirtualTableProps) => {
+    const {updateNumSearchResultsTable} = useSearchStore();
+    const prestoSearchResults = usePrestoSearchResults();
+
+    const columns = useMemo(
+        () => getPrestoSearchResultsTableColumns(prestoSearchResults || []),
+        [prestoSearchResults]
+    );
+
+    useEffect(() => {
+        const num = prestoSearchResults ?
+            prestoSearchResults.length :
+            0;
+
+        updateNumSearchResultsTable(num);
+    }, [
+        prestoSearchResults,
+        updateNumSearchResultsTable,
+    ]);
+
+    return (
+        <VirtualTable<PrestoSearchResult>
+            columns={columns}
+            dataSource={prestoSearchResults || []}
+            pagination={false}
+            rowKey={(record) => record._id}
+            scroll={{y: tableHeight}}/>
+    );
+};
+
+export default PrestoResultsVirtualTable;

components/webui/client/src/pages/SearchPage/SearchResults/SearchResultsTable/Presto/typings.tsx

@@ -0,0 +1,35 @@
+import {TableProps} from "antd";
+
+
+/**
+ * Structure of dynamic Presto search results data.
+ */
+interface PrestoSearchResult {
+    _id: string;
+    row: Record<string, unknown>;
+}
+
+/**
+ * Generates dynamic columns configuration for Presto query engine.
+ *
+ * @param data Array of Presto search results
+ * @return
+ */
+const getPrestoSearchResultsTableColumns = (
+    data: PrestoSearchResult[]
+): NonNullable<TableProps<PrestoSearchResult>["columns"]> => {
+    if (0 === data.length || "undefined" === typeof data[0] || "undefined" === typeof data[0].row) {
+        return [];
+    }
+
+    return Object.keys(data[0].row)
+        .map((key) => ({
+            dataIndex: ["row",
+                key],
+            key: key,
+            title: key,
+        }));
+};
+
+export type {PrestoSearchResult};
+export {getPrestoSearchResultsTableColumns};

components/webui/client/src/pages/SearchPage/SearchResults/SearchResultsTable/Presto/usePrestoSearchResults.ts

@@ -0,0 +1,48 @@
+import MongoSocketCollection from "../../../../../api/socket/MongoSocketCollection";
+import {useCursor} from "../../../../../api/socket/useCursor";
+import useSearchStore, {SEARCH_STATE_DEFAULT} from "../../../SearchState/index";
+import {SEARCH_MAX_NUM_RESULTS} from "../typings";
+import {PrestoSearchResult} from "./typings";
+
+
+/**
+ * Custom hook to get Presto search results for the current searchJobId.
+ *
+ * @return
+ */
+const usePrestoSearchResults = () => {
+    const searchJobId = useSearchStore((state) => state.searchJobId);
+
+    const searchResultsCursor = useCursor<PrestoSearchResult>(
+        () => {
+            // If there is no active search job, there are no results to fetch. The cursor will
+            // return null.
+            if (searchJobId === SEARCH_STATE_DEFAULT.searchJobId) {
+                return null;
+            }
+
+            console.log(
+                `Subscribing to updates to Presto search results with job ID: ${searchJobId}`
+            );
+
+            // Retrieve 1k most recent results.
+            const options = {
+                sort: [
+                    [
+                        "_id",
+                        "desc",
+                    ],
+                ],
+                limit: SEARCH_MAX_NUM_RESULTS,
+            };
+
+            const collection = new MongoSocketCollection(searchJobId.toString());
+            return collection.find({}, options);
+        },
+        [searchJobId]
+    );
+
+    return searchResultsCursor;
+};
+
+export {usePrestoSearchResults};

components/webui/client/src/pages/SearchPage/SearchResults/SearchResultsTable/SearchResultsVirtualTable.tsx

@@ -0,0 +1,48 @@
+import {useEffect} from "react";
+
+import VirtualTable from "../../../../components/VirtualTable";
+import useSearchStore from "../../SearchState/index";
+import {
+    SearchResult,
+    searchResultsTableColumns,
+} from "./typings";
+import {useSearchResults} from "./useSearchResults";
+
+
+interface SearchResultsVirtualTableProps {
+    tableHeight: number;
+}
+
+/**
+ * Renders search results in a virtual table.
+ *
+ * @param props
+ * @param props.tableHeight
+ * @return
+ */
+const SearchResultsVirtualTable = ({tableHeight}: SearchResultsVirtualTableProps) => {
+    const {updateNumSearchResultsTable} = useSearchStore();
+    const searchResults = useSearchResults();
+
+    useEffect(() => {
+        const num = searchResults ?
+            searchResults.length :
+            0;
+
+        updateNumSearchResultsTable(num);
+    }, [
+        searchResults,
+        updateNumSearchResultsTable,
+    ]);
+
+    return (
+        <VirtualTable<SearchResult>
+            columns={searchResultsTableColumns}
+            dataSource={searchResults || []}
+            pagination={false}
+            rowKey={(record) => record._id.toString()}
+            scroll={{y: tableHeight}}/>
+    );
+};
+
+export default SearchResultsVirtualTable;

components/webui/client/src/pages/SearchPage/SearchResults/SearchResultsTable/index.tsx

@@ -4,14 +4,13 @@ import {
     useState,
 } from "react";
 
-import VirtualTable from "../../../../components/VirtualTable";
-import useSearchStore from "../../SearchState/index";
 import {
-    SearchResult,
-    searchResultsTableColumns,
-    TABLE_BOTTOM_PADDING,
-} from "./typings";
-import {useSearchResults} from "./useSearchResults";
+    CLP_QUERY_ENGINES,
+    SETTINGS_QUERY_ENGINE,
+} from "../../../../config";
+import PrestoResultsVirtualTable from "./Presto/PrestoResultsVirtualTable";
+import SearchResultsVirtualTable from "./SearchResultsVirtualTable";
+import {TABLE_BOTTOM_PADDING} from "./typings";
 
 
 /**
@@ -20,22 +19,9 @@ import {useSearchResults} from "./useSearchResults";
  * @return
  */
 const SearchResultsTable = () => {
-    const {updateNumSearchResultsTable} = useSearchStore();
-    const searchResults = useSearchResults();
     const [tableHeight, setTableHeight] = useState<number>(0);
     const containerRef = useRef<HTMLDivElement>(null);
 
-    useEffect(() => {
-        const num = searchResults ?
-            searchResults.length :
-            0;
-
-        updateNumSearchResultsTable(num);
-    }, [
-        searchResults,
-        updateNumSearchResultsTable,
-    ]);
-
     // Antd table requires a fixed height for virtual scrolling. The effect sets a fixed height
     // based on the window height, container top, and fixed padding.
     useEffect(() => {
@@ -60,12 +46,13 @@ const SearchResultsTable = () => {
             ref={containerRef}
             style={{outline: "none"}}
         >
-            <VirtualTable<SearchResult>
-                columns={searchResultsTableColumns}
-                dataSource={searchResults || []}
-                pagination={false}
-                rowKey={(record) => record._id.toString()}
-                scroll={{y: tableHeight}}/>
+            {CLP_QUERY_ENGINES.PRESTO === SETTINGS_QUERY_ENGINE ?
+                (
+                    <PrestoResultsVirtualTable tableHeight={tableHeight}/>
+                ) :
+                (
+                    <SearchResultsVirtualTable tableHeight={tableHeight}/>
+                )}
         </div>
     );
 };

components/webui/client/src/pages/SearchPage/SearchResults/SearchResultsTable/typings.tsx

@@ -25,7 +25,7 @@ interface SearchResult {
 }
 
 /**
- * Columns configuration for the seach results table.
+ * Columns configuration for the search results table.
  */
 const searchResultsTableColumns: NonNullable<TableProps<SearchResult>["columns"]> = [
     {

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

@@ -146,6 +146,8 @@ const plugin: FastifyPluginAsyncTypebox = async (fastify) => {
                 throw error;
             }
 
+            await mongoDb.createCollection(searchJobId);
+
             reply.code(StatusCodes.CREATED);
 
             return {searchJobId};

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

@@ -21,7 +21,8 @@ const prestoRowToObject = (
         obj[col.name] = row[idx];
     });
 
-    return obj;
+    // Object is wrapped in a `row` property to prevent conflicts with MongoDB's `_id` field.
+    return {row: obj};
 };
 
 /**