Index Advisor Tab on Execute Query (#2177)

Index Advisor

src/Explorer/Controls/Settings/SettingsComponent.test.tsx

@@ -1,5 +1,8 @@
+import { IndexingPolicy } from "@azure/cosmos";
+import { act } from "@testing-library/react";
 import { AuthType } from "AuthType";
 import { shallow } from "enzyme";
+import { useIndexingPolicyStore } from "Explorer/Tabs/QueryTab/ResultsView";
 import ko from "knockout";
 import React from "react";
 import { updateCollection } from "../../../Common/dataAccess/updateCollection";
@@ -287,3 +290,47 @@ describe("SettingsComponent", () => {
     expect(wrapper.state("isThroughputBucketsSaveable")).toBe(false);
   });
 });
+
+describe("SettingsComponent - indexing policy subscription", () => {
+  const baseProps: SettingsComponentProps = {
+    settingsTab: new CollectionSettingsTabV2({
+      collection: collection,
+      tabKind: ViewModels.CollectionTabKind.CollectionSettingsV2,
+      title: "Scale & Settings",
+      tabPath: "",
+      node: undefined,
+    }),
+  };
+
+  it("subscribes to the correct container's indexing policy and updates state on change", async () => {
+    const containerId = collection.id();
+    const mockIndexingPolicy: IndexingPolicy = {
+      automatic: false,
+      indexingMode: "lazy",
+      includedPaths: [{ path: "/foo/*" }],
+      excludedPaths: [{ path: "/bar/*" }],
+      compositeIndexes: [],
+      spatialIndexes: [],
+      vectorIndexes: [],
+      fullTextIndexes: [],
+    };
+
+    const wrapper = shallow(<SettingsComponent {...baseProps} />);
+    const instance = wrapper.instance() as SettingsComponent;
+
+    await act(async () => {
+      useIndexingPolicyStore.setState({
+        indexingPolicies: {
+          [containerId]: mockIndexingPolicy,
+        },
+      });
+    });
+
+    wrapper.update();
+
+    expect(wrapper.state("indexingPolicyContent")).toEqual(mockIndexingPolicy);
+    expect(wrapper.state("indexingPolicyContentBaseline")).toEqual(mockIndexingPolicy);
+    // @ts-expect-error: rawDataModel is intentionally accessed for test validation
+    expect(instance.collection.rawDataModel.indexingPolicy).toEqual(mockIndexingPolicy);
+  });
+});

src/Explorer/Controls/Settings/SettingsComponent.tsx

@@ -13,6 +13,7 @@ import {
   ThroughputBucketsComponent,
   ThroughputBucketsComponentProps,
 } from "Explorer/Controls/Settings/SettingsSubComponents/ThroughputInputComponents/ThroughputBucketsComponent";
+import { useIndexingPolicyStore } from "Explorer/Tabs/QueryTab/ResultsView";
 import { useDatabases } from "Explorer/useDatabases";
 import { isFabricNative } from "Platform/Fabric/FabricUtil";
 import { isVectorSearchEnabled } from "Utils/CapabilityUtils";
@@ -72,7 +73,6 @@ import {
   parseConflictResolutionMode,
   parseConflictResolutionProcedure,
 } from "./SettingsUtils";
-
 interface SettingsV2TabInfo {
   tab: SettingsV2TabTypes;
   content: JSX.Element;
@@ -175,7 +175,7 @@ export class SettingsComponent extends React.Component<SettingsComponentProps, S
   private totalThroughputUsed: number;
   private throughputBucketsEnabled: boolean;
   public mongoDBCollectionResource: MongoDBCollectionResource;
-
+  private unsubscribe: () => void;
   constructor(props: SettingsComponentProps) {
     super(props);
 
@@ -305,8 +305,19 @@ export class SettingsComponent extends React.Component<SettingsComponentProps, S
     if (this.props.settingsTab.isActive()) {
       useCommandBar.getState().setContextButtons(this.getTabsButtons());
     }
+    this.unsubscribe = useIndexingPolicyStore.subscribe(
+      () => {
+        this.refreshCollectionData();
+      },
+      (state) => state.indexingPolicies[this.collection.id()],
+    );
+    this.refreshCollectionData();
+  }
+  componentWillUnmount(): void {
+    if (this.unsubscribe) {
+      this.unsubscribe();
+    }
   }
-
   componentDidUpdate(): void {
     if (this.props.settingsTab.isActive()) {
       useCommandBar.getState().setContextButtons(this.getTabsButtons());
@@ -788,7 +799,6 @@ export class SettingsComponent extends React.Component<SettingsComponentProps, S
         { name: "name_of_property", query: "query_to_compute_property" },
       ] as DataModels.ComputedProperties;
     }
-
     const throughputBuckets = this.offer?.throughputBuckets;
 
     return {
@@ -940,10 +950,31 @@ export class SettingsComponent extends React.Component<SettingsComponentProps, S
       startKey,
     );
   };
+  private refreshCollectionData = async (): Promise<void> => {
+    const containerId = this.collection.id();
+    const latestIndexingPolicy = useIndexingPolicyStore.getState().indexingPolicies[containerId];
+    const rawPolicy = latestIndexingPolicy ?? this.collection.indexingPolicy();
+
+    const latestCollection: DataModels.IndexingPolicy = {
+      automatic: rawPolicy?.automatic ?? true,
+      indexingMode: rawPolicy?.indexingMode ?? "consistent",
+      includedPaths: rawPolicy?.includedPaths ?? [],
+      excludedPaths: rawPolicy?.excludedPaths ?? [],
+      compositeIndexes: rawPolicy?.compositeIndexes ?? [],
+      spatialIndexes: rawPolicy?.spatialIndexes ?? [],
+      vectorIndexes: rawPolicy?.vectorIndexes ?? [],
+      fullTextIndexes: rawPolicy?.fullTextIndexes ?? [],
+    };
+
+    this.collection.rawDataModel.indexingPolicy = latestCollection;
+    this.setState({
+      indexingPolicyContent: latestCollection,
+      indexingPolicyContentBaseline: latestCollection,
+    });
+  };
 
   private saveCollectionSettings = async (startKey: number): Promise<void> => {
     const newCollection: DataModels.Collection = { ...this.collection.rawDataModel };
-
     if (
       this.state.isSubSettingsSaveable ||
       this.state.isContainerPolicyDirty ||
@@ -1172,7 +1203,6 @@ export class SettingsComponent extends React.Component<SettingsComponentProps, S
       onScaleDiscardableChange: this.onScaleDiscardableChange,
       throughputError: this.state.throughputError,
     };
-
     if (!this.isCollectionSettingsTab) {
       return (
         <div className="settingsV2MainContainer">

src/Explorer/Controls/Settings/SettingsSubComponents/IndexingPolicyRefresh/IndexingPolicyRefreshComponent.tsx

@@ -1,10 +1,10 @@
-import * as React from "react";
 import { MessageBar, MessageBarType } from "@fluentui/react";
+import * as React from "react";
+import { handleError } from "../../../../../Common/ErrorHandlingUtils";
 import {
   mongoIndexTransformationRefreshingMessage,
   renderMongoIndexTransformationRefreshMessage,
 } from "../../SettingsRenderUtils";
-import { handleError } from "../../../../../Common/ErrorHandlingUtils";
 import { isIndexTransforming } from "../../SettingsUtils";
 
 export interface IndexingPolicyRefreshComponentProps {

src/Explorer/Controls/Settings/__snapshots__/SettingsComponent.test.tsx.snap

@@ -72,6 +72,16 @@ exports[`SettingsComponent renders 1`] = `
                 "partitionKey",
               ],
               "rawDataModel": {
+                "indexingPolicy": {
+                  "automatic": true,
+                  "compositeIndexes": [],
+                  "excludedPaths": [],
+                  "fullTextIndexes": [],
+                  "includedPaths": [],
+                  "indexingMode": "consistent",
+                  "spatialIndexes": [],
+                  "vectorIndexes": [],
+                },
                 "uniqueKeyPolicy": {
                   "uniqueKeys": [
                     {
@@ -164,6 +174,16 @@ exports[`SettingsComponent renders 1`] = `
                 "partitionKey",
               ],
               "rawDataModel": {
+                "indexingPolicy": {
+                  "automatic": true,
+                  "compositeIndexes": [],
+                  "excludedPaths": [],
+                  "fullTextIndexes": [],
+                  "includedPaths": [],
+                  "indexingMode": "consistent",
+                  "spatialIndexes": [],
+                  "vectorIndexes": [],
+                },
                 "uniqueKeyPolicy": {
                   "uniqueKeys": [
                     {
@@ -238,17 +258,25 @@ exports[`SettingsComponent renders 1`] = `
           indexingPolicyContent={
             {
               "automatic": true,
+              "compositeIndexes": [],
               "excludedPaths": [],
+              "fullTextIndexes": [],
               "includedPaths": [],
               "indexingMode": "consistent",
+              "spatialIndexes": [],
+              "vectorIndexes": [],
             }
           }
           indexingPolicyContentBaseline={
             {
               "automatic": true,
+              "compositeIndexes": [],
               "excludedPaths": [],
+              "fullTextIndexes": [],
               "includedPaths": [],
               "indexingMode": "consistent",
+              "spatialIndexes": [],
+              "vectorIndexes": [],
             }
           }
           isVectorSearchEnabled={false}
@@ -321,6 +349,16 @@ exports[`SettingsComponent renders 1`] = `
                 "partitionKey",
               ],
               "rawDataModel": {
+                "indexingPolicy": {
+                  "automatic": true,
+                  "compositeIndexes": [],
+                  "excludedPaths": [],
+                  "fullTextIndexes": [],
+                  "includedPaths": [],
+                  "indexingMode": "consistent",
+                  "spatialIndexes": [],
+                  "vectorIndexes": [],
+                },
                 "uniqueKeyPolicy": {
                   "uniqueKeys": [
                     {
@@ -461,6 +499,16 @@ exports[`SettingsComponent renders 1`] = `
                 "partitionKey",
               ],
               "rawDataModel": {
+                "indexingPolicy": {
+                  "automatic": true,
+                  "compositeIndexes": [],
+                  "excludedPaths": [],
+                  "fullTextIndexes": [],
+                  "includedPaths": [],
+                  "indexingMode": "consistent",
+                  "spatialIndexes": [],
+                  "vectorIndexes": [],
+                },
                 "uniqueKeyPolicy": {
                   "uniqueKeys": [
                     {

src/Explorer/Tabs/QueryTab/IndexAdvisorUtils.tsx

@@ -0,0 +1,107 @@
+import { CircleFilled } from "@fluentui/react-icons";
+import type { IIndexMetric } from "Explorer/Tabs/QueryTab/ResultsView";
+import { useIndexAdvisorStyles } from "Explorer/Tabs/QueryTab/StylesAdvisor";
+import * as React from "react";
+
+// SDK response format
+export interface IndexMetricsResponse {
+  UtilizedIndexes?: {
+    SingleIndexes?: Array<{ IndexSpec: string; IndexImpactScore?: string }>;
+    CompositeIndexes?: Array<{ IndexSpecs: string[]; IndexImpactScore?: string }>;
+  };
+  PotentialIndexes?: {
+    SingleIndexes?: Array<{ IndexSpec: string; IndexImpactScore?: string }>;
+    CompositeIndexes?: Array<{ IndexSpecs: string[]; IndexImpactScore?: string }>;
+  };
+}
+
+export function parseIndexMetrics(indexMetrics: IndexMetricsResponse): {
+  included: IIndexMetric[];
+  notIncluded: IIndexMetric[];
+} {
+  const included: IIndexMetric[] = [];
+  const notIncluded: IIndexMetric[] = [];
+
+  // Process UtilizedIndexes (Included in Current Policy)
+  if (indexMetrics.UtilizedIndexes) {
+    // Single indexes
+    indexMetrics.UtilizedIndexes.SingleIndexes?.forEach((index) => {
+      included.push({
+        index: index.IndexSpec,
+        impact: index.IndexImpactScore || "Utilized",
+        section: "Included",
+        path: index.IndexSpec,
+      });
+    });
+
+    // Composite indexes
+    indexMetrics.UtilizedIndexes.CompositeIndexes?.forEach((index) => {
+      const compositeSpec = index.IndexSpecs.join(", ");
+      included.push({
+        index: compositeSpec,
+        impact: index.IndexImpactScore || "Utilized",
+        section: "Included",
+        composite: index.IndexSpecs.map((spec) => {
+          const [path, order] = spec.trim().split(/\s+/);
+          return {
+            path: path.trim(),
+            order: order?.toLowerCase() === "desc" ? "descending" : "ascending",
+          };
+        }),
+      });
+    });
+  }
+
+  // Process PotentialIndexes (Not Included in Current Policy)
+  if (indexMetrics.PotentialIndexes) {
+    // Single indexes
+    indexMetrics.PotentialIndexes.SingleIndexes?.forEach((index) => {
+      notIncluded.push({
+        index: index.IndexSpec,
+        impact: index.IndexImpactScore || "Unknown",
+        section: "Not Included",
+        path: index.IndexSpec,
+      });
+    });
+
+    // Composite indexes
+    indexMetrics.PotentialIndexes.CompositeIndexes?.forEach((index) => {
+      const compositeSpec = index.IndexSpecs.join(", ");
+      notIncluded.push({
+        index: compositeSpec,
+        impact: index.IndexImpactScore || "Unknown",
+        section: "Not Included",
+        composite: index.IndexSpecs.map((spec) => {
+          const [path, order] = spec.trim().split(/\s+/);
+          return {
+            path: path.trim(),
+            order: order?.toLowerCase() === "desc" ? "descending" : "ascending",
+          };
+        }),
+      });
+    });
+  }
+
+  return { included, notIncluded };
+}
+
+export const renderImpactDots = (impact: string): JSX.Element => {
+  const style = useIndexAdvisorStyles();
+  let count = 0;
+
+  if (impact === "High") {
+    count = 3;
+  } else if (impact === "Medium") {
+    count = 2;
+  } else if (impact === "Low") {
+    count = 1;
+  }
+
+  return (
+    <div className={style.indexAdvisorImpactDots}>
+      {Array.from({ length: count }).map((_, i) => (
+        <CircleFilled key={i} className={style.indexAdvisorImpactDot} />
+      ))}
+    </div>
+  );
+};

src/Explorer/Tabs/QueryTab/QueryResultSection.tsx

@@ -3,18 +3,21 @@ import QueryError from "Common/QueryError";
 import { IndeterminateProgressBar } from "Explorer/Controls/IndeterminateProgressBar";
 import { MessageBanner } from "Explorer/Controls/MessageBanner";
 import { useQueryTabStyles } from "Explorer/Tabs/QueryTab/Styles";
+import useZoomLevel from "hooks/useZoomLevel";
 import React from "react";
+import { conditionalClass } from "Utils/StyleUtils";
 import RunQuery from "../../../../images/RunQuery.png";
 import { QueryResults } from "../../../Contracts/ViewModels";
 import { ErrorList } from "./ErrorList";
 import { ResultsView } from "./ResultsView";
-import useZoomLevel from "hooks/useZoomLevel";
-import { conditionalClass } from "Utils/StyleUtils";
 
 export interface ResultsViewProps {
   isMongoDB: boolean;
   queryResults: QueryResults;
   executeQueryDocumentsPage: (firstItemIndex: number) => Promise<void>;
+  queryEditorContent?: string;
+  databaseId?: string;
+  containerId?: string;
 }
 
 interface QueryResultProps extends ResultsViewProps {
@@ -49,6 +52,8 @@ export const QueryResultSection: React.FC<QueryResultProps> = ({
   queryResults,
   executeQueryDocumentsPage,
   isExecuting,
+  databaseId,
+  containerId,
 }: QueryResultProps): JSX.Element => {
   const styles = useQueryTabStyles();
   const maybeSubQuery = queryEditorContent && /.*\(.*SELECT.*\)/i.test(queryEditorContent);
@@ -91,6 +96,9 @@ export const QueryResultSection: React.FC<QueryResultProps> = ({
           queryResults={queryResults}
           executeQueryDocumentsPage={executeQueryDocumentsPage}
           isMongoDB={isMongoDB}
+          queryEditorContent={queryEditorContent}
+          databaseId={databaseId}
+          containerId={containerId}
         />
       ) : (
         <ExecuteQueryCallToAction />

src/Explorer/Tabs/QueryTab/QueryTabComponent.test.tsx

@@ -52,8 +52,9 @@ describe("QueryTabComponent", () => {
         copilotVersion: "v3.0",
       },
     });
+
     const propsMock: Readonly<IQueryTabComponentProps> = {
-      collection: { databaseId: "CopilotSampleDB" },
+      collection: { databaseId: "CopilotSampleDB", id: () => "CopilotContainer" },
       onTabAccessor: () => jest.fn(),
       isExecutionError: false,
       tabId: "mockTabId",

src/Explorer/Tabs/QueryTab/QueryTabComponent.tsx

@@ -27,6 +27,7 @@ import { TabsState, useTabs } from "hooks/useTabs";
 import React, { Fragment, createRef } from "react";
 import "react-splitter-layout/lib/index.css";
 import { format } from "react-string-format";
+import create from "zustand";
 //TODO: Uncomment next two lines when query copilot is reinstated in DE
 // import QueryCommandIcon from "../../../../images/CopilotCommand.svg";
 // import LaunchCopilot from "../../../../images/CopilotTabIcon.svg";
@@ -56,6 +57,20 @@ import { SaveQueryPane } from "../../Panes/SaveQueryPane/SaveQueryPane";
 import TabsBase from "../TabsBase";
 import "./QueryTabComponent.less";
 
+export interface QueryMetadataStore {
+  userQuery: string;
+  databaseId: string;
+  containerId: string;
+  setMetadata: (query1: string, db: string, container: string) => void;
+}
+
+export const useQueryMetadataStore = create<QueryMetadataStore>((set) => ({
+  userQuery: "",
+  databaseId: "",
+  containerId: "",
+  setMetadata: (query1, db, container) => set({ userQuery: query1, databaseId: db, containerId: container }),
+}));
+
 enum ToggleState {
   Result,
   QueryMetrics,
@@ -260,6 +275,10 @@ class QueryTabComponentImpl extends React.Component<QueryTabComponentImplProps,
   }
 
   public onExecuteQueryClick = async (): Promise<void> => {
+    const query1 = this.state.sqlQueryEditorContent;
+    const db = this.props.collection.databaseId;
+    const container = this.props.collection.id();
+    useQueryMetadataStore.getState().setMetadata(query1, db, container);
     this._iterator = undefined;
 
     setTimeout(async () => {
@@ -775,6 +794,8 @@ class QueryTabComponentImpl extends React.Component<QueryTabComponentImplProps,
                   errors={this.props.copilotStore?.errors}
                   isExecuting={this.props.copilotStore?.isExecuting}
                   queryResults={this.props.copilotStore?.queryResults}
+                  databaseId={this.props.collection.databaseId}
+                  containerId={this.props.collection.id()}
                   executeQueryDocumentsPage={(firstItemIndex: number) =>
                     QueryDocumentsPerPage(
                       firstItemIndex,
@@ -790,6 +811,8 @@ class QueryTabComponentImpl extends React.Component<QueryTabComponentImplProps,
                   errors={this.state.errors}
                   isExecuting={this.state.isExecuting}
                   queryResults={this.state.queryResults}
+                  databaseId={this.props.collection.databaseId}
+                  containerId={this.props.collection.id()}
                   executeQueryDocumentsPage={(firstItemIndex: number) =>
                     this._executeQueryDocumentsPage(firstItemIndex)
                   }

src/Explorer/Tabs/QueryTab/ResultsView.test.tsx

@@ -0,0 +1,170 @@
+import "@testing-library/jest-dom";
+import { render, screen, waitFor } from "@testing-library/react";
+import { IndexAdvisorTab } from "Explorer/Tabs/QueryTab/ResultsView";
+import React from "react";
+
+const mockReplace = jest.fn();
+const mockFetchAll = jest.fn();
+const mockRead = jest.fn();
+const mockLogConsoleProgress = jest.fn();
+const mockHandleError = jest.fn();
+
+const indexMetricsResponse = {
+  UtilizedIndexes: {
+    SingleIndexes: [{ IndexSpec: "/foo/?", IndexImpactScore: "High" }],
+    CompositeIndexes: [{ IndexSpecs: ["/baz/? DESC", "/qux/? ASC"], IndexImpactScore: "Low" }],
+  },
+  PotentialIndexes: {
+    SingleIndexes: [{ IndexSpec: "/bar/?", IndexImpactScore: "Medium" }],
+    CompositeIndexes: [] as Array<{ IndexSpecs: string[]; IndexImpactScore?: string }>,
+  },
+};
+
+const mockQueryResults = {
+  documents: [] as unknown[],
+  hasMoreResults: false,
+  itemCount: 0,
+  firstItemIndex: 0,
+  lastItemIndex: 0,
+  requestCharge: 0,
+  activityId: "test-activity-id",
+};
+
+mockRead.mockResolvedValue({
+  resource: {
+    indexingPolicy: {
+      automatic: true,
+      indexingMode: "consistent",
+      includedPaths: [{ path: "/*" }, { path: "/foo/?" }],
+      excludedPaths: [],
+    },
+    partitionKey: "pk",
+  },
+});
+
+mockReplace.mockResolvedValue({
+  resource: {
+    indexingPolicy: {
+      automatic: true,
+      indexingMode: "consistent",
+      includedPaths: [{ path: "/*" }],
+      excludedPaths: [],
+    },
+  },
+});
+
+jest.mock("Common/CosmosClient", () => ({
+  client: () => ({
+    database: () => ({
+      container: () => ({
+        items: {
+          query: () => ({
+            fetchAll: mockFetchAll,
+          }),
+        },
+        read: mockRead,
+        replace: mockReplace,
+      }),
+    }),
+  }),
+}));
+
+jest.mock("./StylesAdvisor", () => ({
+  useIndexAdvisorStyles: () => ({}),
+}));
+
+jest.mock("../../../Utils/NotificationConsoleUtils", () => ({
+  logConsoleProgress: (...args: unknown[]) => {
+    mockLogConsoleProgress(...args);
+    return () => {};
+  },
+}));
+
+jest.mock("../../../Common/ErrorHandlingUtils", () => ({
+  handleError: (...args: unknown[]) => mockHandleError(...args),
+}));
+
+beforeEach(() => {
+  jest.clearAllMocks();
+  mockFetchAll.mockResolvedValue({ indexMetrics: indexMetricsResponse });
+});
+
+describe("IndexAdvisorTab Basic Tests", () => {
+  test("component renders without crashing", () => {
+    const { container } = render(
+      <IndexAdvisorTab queryEditorContent="SELECT * FROM c" databaseId="db1" containerId="col1" />,
+    );
+    expect(container).toBeTruthy();
+  });
+
+  test("renders component and handles missing parameters", () => {
+    const { container } = render(<IndexAdvisorTab />);
+    expect(container).toBeTruthy();
+    // Should not crash when parameters are missing
+  });
+
+  test("fetches index metrics with query results", async () => {
+    render(
+      <IndexAdvisorTab
+        queryResults={mockQueryResults}
+        queryEditorContent="SELECT * FROM c"
+        databaseId="db1"
+        containerId="col1"
+      />,
+    );
+    await waitFor(() => expect(mockFetchAll).toHaveBeenCalled());
+  });
+
+  test("displays content after loading", async () => {
+    render(
+      <IndexAdvisorTab
+        queryResults={mockQueryResults}
+        queryEditorContent="SELECT * FROM c"
+        databaseId="db1"
+        containerId="col1"
+      />,
+    );
+    // Wait for the component to finish loading
+    await waitFor(() => expect(mockFetchAll).toHaveBeenCalled());
+    // Component should have rendered some content
+    expect(screen.getByText(/Index Advisor/i)).toBeInTheDocument();
+  });
+
+  test("calls log console progress when fetching metrics", async () => {
+    render(
+      <IndexAdvisorTab
+        queryResults={mockQueryResults}
+        queryEditorContent="SELECT * FROM c"
+        databaseId="db1"
+        containerId="col1"
+      />,
+    );
+    await waitFor(() => expect(mockLogConsoleProgress).toHaveBeenCalled());
+  });
+
+  test("handles error when fetch fails", async () => {
+    mockFetchAll.mockRejectedValueOnce(new Error("fetch failed"));
+    render(
+      <IndexAdvisorTab
+        queryResults={mockQueryResults}
+        queryEditorContent="SELECT * FROM c"
+        databaseId="db1"
+        containerId="col1"
+      />,
+    );
+    await waitFor(() => expect(mockHandleError).toHaveBeenCalled(), { timeout: 3000 });
+  });
+
+  test("renders with all required props", () => {
+    const { container } = render(
+      <IndexAdvisorTab
+        queryResults={mockQueryResults}
+        queryEditorContent="SELECT * FROM c"
+        databaseId="testDb"
+        containerId="testContainer"
+      />,
+    );
+    expect(container).toBeTruthy();
+    expect(container.firstChild).toBeTruthy();
+  });
+});

src/Explorer/Tabs/QueryTab/ResultsView.tsx

@@ -1,5 +1,8 @@
+import type { CompositePath, IndexingPolicy } from "@azure/cosmos";
+import { FontIcon } from "@fluentui/react";
 import {
   Button,
+  Checkbox,
   DataGrid,
   DataGridBody,
   DataGridCell,
@@ -8,28 +11,45 @@ import {
   DataGridRow,
   SelectTabData,
   SelectTabEvent,
+  Spinner,
   Tab,
   TabList,
+  Table,
+  TableBody,
+  TableCell,
   TableColumnDefinition,
+  TableHeader,
+  TableRow,
   createTableColumn,
 } from "@fluentui/react-components";
-import { ArrowDownloadRegular, CopyRegular } from "@fluentui/react-icons";
+import { ArrowDownloadRegular, ChevronDown20Regular, ChevronRight20Regular, CopyRegular } from "@fluentui/react-icons";
+import copy from "clipboard-copy";
 import { HttpHeaders } from "Common/Constants";
 import MongoUtility from "Common/MongoUtility";
 import { QueryMetrics } from "Contracts/DataModels";
+import { QueryResults } from "Contracts/ViewModels";
 import { EditorReact } from "Explorer/Controls/Editor/EditorReact";
+import {
+  parseIndexMetrics,
+  renderImpactDots,
+  type IndexMetricsResponse,
+} from "Explorer/Tabs/QueryTab/IndexAdvisorUtils";
 import { IDocument } from "Explorer/Tabs/QueryTab/QueryTabComponent";
 import { useQueryTabStyles } from "Explorer/Tabs/QueryTab/Styles";
+import React, { useCallback, useEffect, useState } from "react";
 import { userContext } from "UserContext";
-import copy from "clipboard-copy";
+import { logConsoleProgress } from "Utils/NotificationConsoleUtils";
-import React, { useCallback, useState } from "react";
+import create from "zustand";
+import { client } from "../../../Common/CosmosClient";
+import { handleError } from "../../../Common/ErrorHandlingUtils";
+import { sampleDataClient } from "../../../Common/SampleDataClient";
 import { ResultsViewProps } from "./QueryResultSection";
-
+import { useIndexAdvisorStyles } from "./StylesAdvisor";
 enum ResultsTabs {
   Results = "results",
   QueryStats = "queryStats",
+  IndexAdvisor = "indexadv",
 }
-
 const ResultsTab: React.FC<ResultsViewProps> = ({ queryResults, isMongoDB, executeQueryDocumentsPage }) => {
   const styles = useQueryTabStyles();
   /* eslint-disable react/prop-types */
@@ -523,14 +543,331 @@ const QueryStatsTab: React.FC<Pick<ResultsViewProps, "queryResults">> = ({ query
   );
 };
 
-export const ResultsView: React.FC<ResultsViewProps> = ({ isMongoDB, queryResults, executeQueryDocumentsPage }) => {
+export interface IIndexMetric {
+  index: string;
+  impact: string;
+  section: "Included" | "Not Included" | "Header";
+  path?: string;
+  composite?: { path: string; order: string }[];
+}
+export const IndexAdvisorTab: React.FC<{
+  queryResults?: QueryResults;
+  queryEditorContent?: string;
+  databaseId?: string;
+  containerId?: string;
+}> = ({ queryResults, queryEditorContent, databaseId, containerId }) => {
+  const style = useIndexAdvisorStyles();
+
+  const [loading, setLoading] = useState(false);
+  const [indexMetrics, setIndexMetrics] = useState<IndexMetricsResponse | null>(null);
+  const [showIncluded, setShowIncluded] = useState(true);
+  const [showNotIncluded, setShowNotIncluded] = useState(true);
+  const [selectedIndexes, setSelectedIndexes] = useState<IIndexMetric[]>([]);
+  const [selectAll, setSelectAll] = useState(false);
+  const [updateMessageShown, setUpdateMessageShown] = useState(false);
+  const [included, setIncludedIndexes] = useState<IIndexMetric[]>([]);
+  const [notIncluded, setNotIncludedIndexes] = useState<IIndexMetric[]>([]);
+  const [isUpdating, setIsUpdating] = useState(false);
+  const [justUpdatedPolicy, setJustUpdatedPolicy] = useState(false);
+  const indexingMetricsDocLink = "https://learn.microsoft.com/azure/cosmos-db/nosql/index-metrics";
+
+  const fetchIndexMetrics = async () => {
+    if (!queryEditorContent || !databaseId || !containerId) {
+      return;
+    }
+
+    setLoading(true);
+    const clearMessage = logConsoleProgress(`Querying items with IndexMetrics in container ${containerId}`);
+    try {
+      const querySpec = {
+        query: queryEditorContent,
+      };
+
+      // Use sampleDataClient for CopilotSampleDB, regular client for other databases
+      const cosmosClient = databaseId === "CopilotSampleDB" ? sampleDataClient() : client();
+
+      const sdkResponse = await cosmosClient
+        .database(databaseId)
+        .container(containerId)
+        .items.query(querySpec, {
+          populateIndexMetrics: true,
+        })
+        .fetchAll();
+
+      const parsedMetrics =
+        typeof sdkResponse.indexMetrics === "string" ? JSON.parse(sdkResponse.indexMetrics) : sdkResponse.indexMetrics;
+
+      setIndexMetrics(parsedMetrics);
+    } catch (error) {
+      handleError(error, "queryItemsWithIndexMetrics", `Error querying items from ${containerId}`);
+    } finally {
+      clearMessage();
+      setLoading(false);
+    }
+  };
+
+  // Fetch index metrics when query results change (i.e., when Execute Query is clicked)
+  useEffect(() => {
+    if (queryEditorContent && databaseId && containerId && queryResults) {
+      fetchIndexMetrics();
+    }
+  }, [queryResults]);
+
+  useEffect(() => {
+    if (!indexMetrics) {
+      return;
+    }
+
+    const { included, notIncluded } = parseIndexMetrics(indexMetrics);
+    setIncludedIndexes(included);
+    setNotIncludedIndexes(notIncluded);
+    if (justUpdatedPolicy) {
+      setJustUpdatedPolicy(false);
+    } else {
+      setUpdateMessageShown(false);
+    }
+  }, [indexMetrics]);
+
+  useEffect(() => {
+    const allSelected =
+      notIncluded.length > 0 && notIncluded.every((item) => selectedIndexes.some((s) => s.index === item.index));
+    setSelectAll(allSelected);
+  }, [selectedIndexes, notIncluded]);
+
+  const handleCheckboxChange = (indexObj: IIndexMetric, checked: boolean) => {
+    if (checked) {
+      setSelectedIndexes((prev) => [...prev, indexObj]);
+    } else {
+      setSelectedIndexes((prev) => prev.filter((item) => item.index !== indexObj.index));
+    }
+  };
+
+  const handleSelectAll = (checked: boolean) => {
+    setSelectAll(checked);
+    setSelectedIndexes(checked ? notIncluded : []);
+  };
+
+  const handleUpdatePolicy = async () => {
+    setIsUpdating(true);
+    try {
+      const containerRef = client().database(databaseId).container(containerId);
+      const { resource: containerDef } = await containerRef.read();
+
+      const newIncludedPaths = selectedIndexes
+        .filter((index) => !index.composite)
+        .map((index) => {
+          return {
+            path: index.path,
+          };
+        });
+
+      const newCompositeIndexes: CompositePath[][] = selectedIndexes
+        .filter((index) => Array.isArray(index.composite))
+        .map(
+          (index) =>
+            (index.composite as { path: string; order: string }[]).map((comp) => ({
+              path: comp.path,
+              order: comp.order === "descending" ? "descending" : "ascending",
+            })) as CompositePath[],
+        );
+
+      const updatedPolicy: IndexingPolicy = {
+        ...containerDef.indexingPolicy,
+        includedPaths: [...(containerDef.indexingPolicy?.includedPaths || []), ...newIncludedPaths],
+        compositeIndexes: [...(containerDef.indexingPolicy?.compositeIndexes || []), ...newCompositeIndexes],
+        automatic: containerDef.indexingPolicy?.automatic ?? true,
+        indexingMode: containerDef.indexingPolicy?.indexingMode ?? "consistent",
+        excludedPaths: containerDef.indexingPolicy?.excludedPaths ?? [],
+      };
+      await containerRef.replace({
+        id: containerId,
+        partitionKey: containerDef.partitionKey,
+        indexingPolicy: updatedPolicy,
+      });
+      useIndexingPolicyStore.getState().setIndexingPolicyFor(containerId, updatedPolicy);
+      const selectedIndexSet = new Set(selectedIndexes.map((s) => s.index));
+      const updatedNotIncluded: typeof notIncluded = [];
+      const newlyIncluded: typeof included = [];
+      for (const item of notIncluded) {
+        if (selectedIndexSet.has(item.index)) {
+          newlyIncluded.push(item);
+        } else {
+          updatedNotIncluded.push(item);
+        }
+      }
+      const newIncluded = [...included, ...newlyIncluded];
+      const newNotIncluded = updatedNotIncluded;
+      setIncludedIndexes(newIncluded);
+      setNotIncludedIndexes(newNotIncluded);
+      setSelectedIndexes([]);
+      setSelectAll(false);
+      setUpdateMessageShown(true);
+      setJustUpdatedPolicy(true);
+    } catch (err) {
+      console.error("Failed to update indexing policy:", err);
+    } finally {
+      setIsUpdating(false);
+    }
+  };
+
+  const renderRow = (item: IIndexMetric, index: number) => {
+    const isHeader = item.section === "Header";
+    const isNotIncluded = item.section === "Not Included";
+
+    return (
+      <TableRow key={index}>
+        <TableCell colSpan={2}>
+          <div className={style.indexAdvisorGrid}>
+            {isNotIncluded ? (
+              <Checkbox
+                checked={selectedIndexes.some((selected) => selected.index === item.index)}
+                onChange={(_, data) => handleCheckboxChange(item, data.checked === true)}
+              />
+            ) : isHeader && item.index === "Not Included in Current Policy" && notIncluded.length > 0 ? (
+              <Checkbox checked={selectAll} onChange={(_, data) => handleSelectAll(data.checked === true)} />
+            ) : (
+              <div className={style.indexAdvisorCheckboxSpacer}></div>
+            )}
+            {isHeader ? (
+              <span
+                style={{ cursor: "pointer" }}
+                onClick={() => {
+                  if (item.index === "Included in Current Policy") {
+                    setShowIncluded(!showIncluded);
+                  } else if (item.index === "Not Included in Current Policy") {
+                    setShowNotIncluded(!showNotIncluded);
+                  }
+                }}
+              >
+                {item.index === "Included in Current Policy" ? (
+                  showIncluded ? (
+                    <ChevronDown20Regular />
+                  ) : (
+                    <ChevronRight20Regular />
+                  )
+                ) : showNotIncluded ? (
+                  <ChevronDown20Regular />
+                ) : (
+                  <ChevronRight20Regular />
+                )}
+              </span>
+            ) : (
+              <div className={style.indexAdvisorChevronSpacer}></div>
+            )}
+            <div className={isHeader ? style.indexAdvisorRowBold : style.indexAdvisorRowNormal}>{item.index}</div>
+            <div className={isHeader ? style.indexAdvisorRowImpactHeader : style.indexAdvisorRowImpact}>
+              {!isHeader && item.impact}
+            </div>
+            <div>{!isHeader && renderImpactDots(item.impact)}</div>
+          </div>
+        </TableCell>
+      </TableRow>
+    );
+  };
+  const indexMetricItems = React.useMemo(() => {
+    const items: IIndexMetric[] = [];
+    items.push({ index: "Not Included in Current Policy", impact: "", section: "Header" });
+    if (showNotIncluded) {
+      notIncluded.forEach((item) => items.push({ ...item, section: "Not Included" }));
+    }
+    items.push({ index: "Included in Current Policy", impact: "", section: "Header" });
+    if (showIncluded) {
+      included.forEach((item) => items.push({ ...item, section: "Included" }));
+    }
+    return items;
+  }, [included, notIncluded, showIncluded, showNotIncluded]);
+
+  if (loading) {
+    return (
+      <div>
+        <Spinner
+          size="small"
+          style={
+            {
+              "--spinner-size": "16px",
+              "--spinner-thickness": "2px",
+              "--spinner-color": "#0078D4",
+            } as React.CSSProperties
+          }
+        />
+      </div>
+    );
+  }
+
+  return (
+    <div>
+      <div className={style.indexAdvisorMessage}>
+        {updateMessageShown ? (
+          <>
+            <span className={style.indexAdvisorSuccessIcon}>
+              <FontIcon iconName="CheckMark" style={{ color: "white", fontSize: 12 }} />
+            </span>
+            <span>
+              Your indexing policy has been updated with the new included paths. You may review the changes in Scale &
+              Settings.
+            </span>
+          </>
+        ) : (
+          <>
+            <span>
+              Index Advisor uses Indexing Metrics to suggest query paths that, when included in your indexing policy,
+              can improve the performance of this query by reducing RU costs and lowering latency.{" "}
+              <a href={indexingMetricsDocLink} target="_blank" rel="noopener noreferrer">
+                Learn more about Indexing Metrics
+              </a>
+              .{" "}
+            </span>
+          </>
+        )}
+      </div>
+      <div className={style.indexAdvisorTitle}>Indexes analysis</div>
+      <Table className={style.indexAdvisorTable}>
+        <TableHeader>
+          <TableRow>
+            <TableCell colSpan={2}>
+              <div className={style.indexAdvisorGrid}>
+                <div className={style.indexAdvisorCheckboxSpacer}></div>
+                <div className={style.indexAdvisorChevronSpacer}></div>
+                <div>Index</div>
+                <div>
+                  <span style={{ whiteSpace: "nowrap" }}>Estimated Impact</span>
+                </div>
+              </div>
+            </TableCell>
+          </TableRow>
+        </TableHeader>
+        <TableBody>{indexMetricItems.map(renderRow)}</TableBody>
+      </Table>
+      {selectedIndexes.length > 0 && (
+        <div className={style.indexAdvisorButtonBar}>
+          {isUpdating ? (
+            <div className={style.indexAdvisorButtonSpinner}>
+              <Spinner size="tiny" />{" "}
+            </div>
+          ) : (
+            <button onClick={handleUpdatePolicy} className={style.indexAdvisorButton}>
+              Update Indexing Policy with selected index(es)
+            </button>
+          )}
+        </div>
+      )}
+    </div>
+  );
+};
+export const ResultsView: React.FC<ResultsViewProps> = ({
+  isMongoDB,
+  queryResults,
+  executeQueryDocumentsPage,
+  queryEditorContent,
+  databaseId,
+  containerId,
+}) => {
   const styles = useQueryTabStyles();
   const [activeTab, setActiveTab] = useState<ResultsTabs>(ResultsTabs.Results);
 
   const onTabSelect = useCallback((event: SelectTabEvent, data: SelectTabData) => {
     setActiveTab(data.value as ResultsTabs);
   }, []);
-
   return (
     <div data-test="QueryTab/ResultsPane/ResultsView" className={styles.queryResultsTabPanel}>
       <TabList selectedValue={activeTab} onTabSelect={onTabSelect}>
@@ -548,6 +885,13 @@ export const ResultsView: React.FC<ResultsViewProps> = ({ isMongoDB, queryResult
         >
           Query Stats
         </Tab>
+        <Tab
+          data-test="QueryTab/ResultsPane/ResultsView/IndexAdvisorTab"
+          id={ResultsTabs.IndexAdvisor}
+          value={ResultsTabs.IndexAdvisor}
+        >
+          Index Advisor
+        </Tab>
       </TabList>
       <div className={styles.queryResultsTabContentContainer}>
         {activeTab === ResultsTabs.Results && (
@@ -558,7 +902,30 @@ export const ResultsView: React.FC<ResultsViewProps> = ({ isMongoDB, queryResult
           />
         )}
         {activeTab === ResultsTabs.QueryStats && <QueryStatsTab queryResults={queryResults} />}
+        {activeTab === ResultsTabs.IndexAdvisor && (
+          <IndexAdvisorTab
+            queryResults={queryResults}
+            queryEditorContent={queryEditorContent}
+            databaseId={databaseId}
+            containerId={containerId}
+          />
+        )}
       </div>
     </div>
   );
 };
+export interface IndexingPolicyStore {
+  indexingPolicies: { [containerId: string]: IndexingPolicy };
+  setIndexingPolicyFor: (containerId: string, indexingPolicy: IndexingPolicy) => void;
+}
+
+export const useIndexingPolicyStore = create<IndexingPolicyStore>((set) => ({
+  indexingPolicies: {},
+  setIndexingPolicyFor: (containerId, indexingPolicy) =>
+    set((state) => ({
+      indexingPolicies: {
+        ...state.indexingPolicies,
+        [containerId]: { ...indexingPolicy },
+      },
+    })),
+}));

src/Explorer/Tabs/QueryTab/StylesAdvisor.ts

@@ -0,0 +1,95 @@
+import { makeStyles } from "@fluentui/react-components";
+export type IndexAdvisorStyles = ReturnType<typeof useIndexAdvisorStyles>;
+export const useIndexAdvisorStyles = makeStyles({
+  indexAdvisorMessage: {
+    padding: "1rem",
+    fontSize: "1.2rem",
+    display: "flex",
+    alignItems: "center",
+    gap: "0.5rem",
+  },
+  indexAdvisorSuccessIcon: {
+    width: "18px",
+    height: "18px",
+    borderRadius: "50%",
+    backgroundColor: "#107C10",
+    display: "flex",
+    alignItems: "center",
+    justifyContent: "center",
+  },
+  indexAdvisorTitle: {
+    padding: "1rem",
+    fontSize: "1.3rem",
+    fontWeight: "bold",
+  },
+  indexAdvisorTable: {
+    display: "block",
+    alignItems: "center",
+    marginBottom: "7rem",
+  },
+  indexAdvisorGrid: {
+    display: "grid",
+    gridTemplateColumns: "30px 30px 1fr 50px 120px",
+    alignItems: "center",
+    gap: "15px",
+    fontWeight: "bold",
+  },
+  indexAdvisorCheckboxSpacer: {
+    width: "18px",
+    height: "18px",
+  },
+  indexAdvisorChevronSpacer: {
+    width: "24px",
+  },
+  indexAdvisorRowBold: {
+    fontWeight: "bold",
+  },
+  indexAdvisorRowNormal: {
+    fontWeight: "normal",
+  },
+  indexAdvisorRowImpactHeader: {
+    fontSize: 0,
+  },
+  indexAdvisorRowImpact: {
+    fontWeight: "normal",
+  },
+  indexAdvisorImpactDot: {
+    color: "#0078D4",
+    fontSize: "12px",
+    display: "inline-flex",
+  },
+  indexAdvisorImpactDots: {
+    display: "flex",
+    alignItems: "center",
+    gap: "4px",
+  },
+  indexAdvisorButtonBar: {
+    padding: "1rem",
+    marginTop: "-7rem",
+    flexWrap: "wrap",
+  },
+  indexAdvisorButtonSpinner: {
+    marginTop: "1rem",
+    minWidth: "320px",
+    minHeight: "40px",
+    display: "flex",
+    alignItems: "left",
+    justifyContent: "left",
+    marginLeft: "10rem",
+  },
+  indexAdvisorButton: {
+    backgroundColor: "#0078D4",
+    color: "white",
+    padding: "8px 16px",
+    border: "none",
+    borderRadius: "4px",
+    cursor: "pointer",
+    marginTop: "1rem",
+    fontSize: "1rem",
+    fontWeight: 500,
+    transition: "background 0.2s",
+    ":hover": {
+      backgroundColor: "#005a9e",
+    },
+  },
+});

src/Explorer/Tabs/QueryTab/useQueryMetadataStore.ts

@@ -0,0 +1,15 @@
+import create from "zustand";
+
+interface QueryMetadataStore {
+  userQuery: string;
+  databaseId: string;
+  containerId: string;
+  setMetadata: (query1: string, db: string, container: string) => void;
+}
+
+export const useQueryMetadataStore = create<QueryMetadataStore>((set) => ({
+  userQuery: "",
+  databaseId: "",
+  containerId: "",
+  setMetadata: (query1, db, container) => set({ userQuery: query1, databaseId: db, containerId: container }),
+}));