fix(mysql): refresh stale snapshots and streamline table reloads

apps/desktop/src/stores/__tests__/queryStore.tableMetaRestore.spec.ts

@@ -17,6 +17,25 @@ describe("data tab snapshot restore vs tableMetaPending", () => {
     setActivePinia(createPinia());
   });
 
+  it("keeps projection-only metadata pending until complete identity metadata arrives", async () => {
+    const { useQueryStore } = await import("@/stores/queryStore");
+    const store = useQueryStore();
+    const tabId = store.createTab("pg-1", "app", "users", "data", "public");
+    const tab = store.tabs.find((item) => item.id === tabId)!;
+    const metadata = { tableName: "users", schema: "public", columns: [column("id")], primaryKeys: ["id"] };
+    store.setTableMeta(tabId, metadata);
+    expect(tab.tableMetaPending).toBe(false);
+
+    store.setTableMeta(tabId, { ...metadata, columns: [{ ...column("id"), is_primary_key: false }], primaryKeys: [] }, { rowIdentityPending: true });
+    expect(tab.tableMetaPending).toBe(true);
+    expect(tab.tableMeta?.primaryKeys).toEqual([]);
+    store.setTableMeta(tabId, { ...metadata, columns: [], primaryKeys: [] });
+    expect(tab.tableMetaPending).toBe(true);
+
+    store.setTableMeta(tabId, metadata);
+    expect(tab.tableMetaPending).toBe(false);
+  });
+
   it("does not roll back real metadata to a placeholder snapshot and re-pends placeholder restores", async () => {
     vi.doMock("@/lib/tabs/tabResultCache", async (importOriginal) => {
       const actual = await importOriginal<typeof import("@/lib/tabs/tabResultCache")>();

apps/desktop/src/stores/queryStore.ts

@@ -5064,9 +5064,10 @@ export const useQueryStore = defineStore("query", () => {
     return clearInvalidDataTabSortState(tab, tab.tableMeta.columns);
   }
 
-  function setTableMeta(id: string, meta: NonNullable<QueryTab["tableMeta"]>) {
+  function setTableMeta(id: string, meta: NonNullable<QueryTab["tableMeta"]>, options: { rowIdentityPending?: boolean } = {}) {
     const tab = tabs.value.find((t) => t.id === id);
     if (tab) {
+      if (options.rowIdentityPending) tab.tableMetaPending = true;
       tab.tableMeta = meta;
       // 记录写入时的连接元数据代次：disconnect/关库/死池重连会使该代次递增，
       // 代次失配视同冷缓存，即使位于 30s TTL 窗口内也会重建结构（issue #6623 /
@@ -5078,7 +5079,7 @@ export const useQueryStore = defineStore("query", () => {
       // columns/primaryKeys 为空的占位身份（如 useNavigationTargets），不得
       // 借此提前解除编辑门控。失败/中止路径不清除——标签页保持只读是安全
       // 兜底，刷新或重开表会重新加载元数据恢复
-      if (meta.columns.length > 0) tab.tableMetaPending = false;
+      if (meta.columns.length > 0 && !options.rowIdentityPending) tab.tableMetaPending = false;
     }
   }