Fix pivoted table crash (#45485)

e2e/test/scenarios/visualizations-tabular/visualizations-tabular-reproductions.cy.spec.js

@@ -24,6 +24,9 @@ import {
   queryBuilderHeader,
   modal,
   withDatabase,
+  summarize,
+  visualize,
+  tableInteractive,
 } from "e2e/support/helpers";
 
 const { ORDERS, ORDERS_ID, PEOPLE, PEOPLE_ID, PRODUCTS, PRODUCTS_ID } =
@@ -950,3 +953,31 @@ describe.skip("issue 25415", () => {
     cy.findByTestId("TableInteractive-root").should("exist");
   });
 });
+
+describe("issue 45481", () => {
+  beforeEach(() => {
+    restore();
+    cy.signInAsNormalUser();
+  });
+
+  it("should not crash when the table viz gets automatically pivoted (metabase#45481)", () => {
+    openOrdersTable();
+    openNotebook();
+    summarize({ mode: "notebook" });
+    popover().findByText("Count of rows").click();
+    getNotebookStep("summarize")
+      .findByText("Pick a column to group by")
+      .click();
+    popover().findByText("User ID").click();
+    getNotebookStep("summarize")
+      .findByTestId("breakout-step")
+      .icon("add")
+      .click();
+    popover().within(() => {
+      cy.findByText("Product").click();
+      cy.findByText("Category").click();
+    });
+    visualize();
+    tableInteractive().should("be.visible");
+  });
+});

frontend/src/metabase/visualizations/visualizations/Table.tsx

@@ -338,6 +338,7 @@ class Table extends Component<TableProps, TableState> {
       );
       this.setState({
         data: DataGrid.pivot(data, normalIndex, pivotIndex, cellIndex),
+        question,
       });
     } else {
       const { cols, rows, results_timezone } = data;
@@ -355,7 +356,6 @@ class Table extends Component<TableProps, TableState> {
           rows: rows.map(row => columnIndexes.map(i => row[i])),
           results_timezone,
         },
-        // cache question for performance reasons
         question,
       });
     }