chore: fix Table filter behavior when filterDropdown is undefined (#53421)

components/table/__tests__/Table.filter.test.tsx

@@ -193,6 +193,30 @@ describe('Table.filter', () => {
     );
   });
 
+  // https://github.com/ant-design/ant-design/issues/49025
+  it('should handle filterDropdown undefined correctly', () => {
+    const { container } = render(
+      createTable({
+        columns: [
+          {
+            ...column,
+            filters: [
+              { text: 'Boy', value: true },
+              { text: 'Girl', value: false },
+            ],
+            filteredValue: [true],
+            filterDropdown: undefined,
+          },
+        ],
+      }),
+    );
+    // 首先点击打开筛选菜单
+    fireEvent.click(container.querySelector('.ant-table-filter-trigger')!);
+    // 检查是否正确选中了Boy选项
+    const boyMenuItem = container.querySelectorAll('.ant-dropdown-menu-item-selected')[0];
+    expect(boyMenuItem.textContent).toBe('Boy');
+  });
+
   it('override custom filter correctly', () => {
     let renderSelectedKeys: React.Key[] | null = null;
     const filter = ({

components/table/hooks/useFilter/index.tsx

@@ -33,12 +33,13 @@ const collectFilterStates = <RecordType extends AnyObject = AnyObject>(
 
   (columns || []).forEach((column, index) => {
     const columnPos = getColumnPos(index, pos);
+    const filterDropdownIsDefined = column.filterDropdown !== undefined;
 
-    if (column.filters || 'filterDropdown' in column || 'onFilter' in column) {
+    if (column.filters || filterDropdownIsDefined || 'onFilter' in column) {
       if ('filteredValue' in column) {
         // Controlled
         let filteredValues = column.filteredValue;
-        if (!('filterDropdown' in column)) {
+        if (!filterDropdownIsDefined) {
           filteredValues = filteredValues?.map(String) ?? filteredValues;
         }
         filterStates.push({