fix: 修复双击模式下单击对象失效，右键查看DDL、源码等复用右侧面板

apps/desktop/src/components/objects/ObjectBrowser.vue

@@ -77,7 +77,6 @@ import { useExportTracker, type ExportTask } from "@/composables/useExportTracke
 import { useSettingsStore } from "@/stores/settingsStore";
 import { useQueryStore } from "@/stores/queryStore";
 import QueryEditor from "@/components/editor/QueryEditor.vue";
-import DdlViewDialog from "./DdlViewDialog.vue";
 import { sqlFormatDialectForDbType, type SqlFormatDialect } from "@/lib/sql/sqlFormatter";
 import { isCancelSearchShortcut } from "@/lib/editor/keyboardShortcuts";
 import { executeWithProductionSqlGuard } from "@/lib/database/productionExecutionGuard";
@@ -196,8 +195,6 @@ const duplicateTarget = ref<ObjectBrowserRow | null>(null);
 const duplicateTableName = ref("");
 const showProcedureExecutionConfirm = ref(false);
 const procedureExecutionTarget = ref<ObjectBrowserRow | null>(null);
-const ddlDialogTarget = ref<ObjectBrowserRow | null>(null);
-const showDdlDialog = ref(false);
 const selectedTableIds = ref<Set<string>>(new Set());
 const expandedPartitionParentIds = ref<Set<string>>(new Set());
 const showBatchDropConfirm = ref(false);
@@ -741,7 +738,7 @@ function onRowClick(row: ObjectBrowserRow, event: MouseEvent) {
   }
   // Single click: defer when the row has a distinct double-click action so a
   // following second click can cancel it (e.g. TABLE single→table-info, double→open-table).
-  if (shouldDeferSingleClick(row, action, activation)) {
+  if (shouldDeferSingleClick(row, action)) {
     if (singleClickTimer) clearTimeout(singleClickTimer);
     singleClickTimer = setTimeout(() => {
       singleClickTimer = null;
@@ -815,9 +812,9 @@ const filteredTableDdlContent = computed(() => {
   });
 });
 
-async function openTableInfo(row: ObjectBrowserRow) {
+async function openTableInfo(row: ObjectBrowserRow, initialTab?: TableInfoTab) {
   // Toggle off if clicking the same table
-  if (sidePanelRow.value?.id === row.id && sidePanelMode.value === "table-info") {
+  if (sidePanelRow.value?.id === row.id && sidePanelMode.value === "table-info" && !initialTab) {
     closeSidePanel();
     return;
   }
@@ -831,8 +828,8 @@ async function openTableInfo(row: ObjectBrowserRow) {
   tableForeignKeys.value = [];
   tableTriggers.value = [];
   tableInfoSearchQuery.value = "";
-  // Determine first available tab
-  const firstTab = tableInfoTabs.value[0]?.id ?? "ddl";
+  // Determine initial tab: explicit request > first available > ddl
+  const firstTab = initialTab ?? tableInfoTabs.value[0]?.id ?? "ddl";
   await selectTableInfoTab(firstTab);
 }
 
@@ -855,7 +852,7 @@ async function fetchTableDdl() {
   tableDdlLoading.value = true;
   try {
     const schema = row.schema || selectedSchema.value || props.database;
-    const ddl = await api.getTableDdl(props.connection.id, props.database || "", schema, row.name);
+    const ddl = await api.getTableDdl(props.connection.id, props.database || "", schema, row.name, tableDdlObjectType(row.type));
     if (sidePanelGuard.isStale(epoch)) return;
     tableDdlContent.value = ddl;
   } catch (e: any) {
@@ -2233,10 +2230,7 @@ function getTableMenuItems(item: ObjectBrowserRow): ContextMenuItem[] {
     { label: t("contextMenu.viewData"), action: () => openViewData(item), icon: Table2 },
     {
       label: t("contextMenu.viewDdl"),
-      action: () => {
-        ddlDialogTarget.value = item;
-        showDdlDialog.value = true;
-      },
+      action: () => openTableInfo(item, "ddl"),
       icon: FileCode,
     },
     ...(canOpenStructureEditor.value ? [{ label: t("contextMenu.editStructure"), action: () => openStructureEditor(item), icon: PencilRuler }] : []),
@@ -2287,10 +2281,7 @@ function getViewMenuItems(item: ObjectBrowserRow): ContextMenuItem[] {
     { label: t("contextMenu.viewSource"), action: () => openSource(item), icon: Code2 },
     {
       label: t("contextMenu.viewDdl"),
-      action: () => {
-        ddlDialogTarget.value = item;
-        showDdlDialog.value = true;
-      },
+      action: () => openTableInfo(item, "ddl"),
       icon: ScrollText,
     },
     ...(canRename(item) ? [{ label: t("contextMenu.renameObject"), action: () => requestRename(item), icon: Pencil }] : []),
@@ -3043,18 +3034,6 @@ function getObjectBrowserMenuItems(item: ObjectBrowserRow): ContextMenuItem[] {
       </DialogFooter>
     </DialogContent>
   </Dialog>
-
-  <DdlViewDialog
-    v-if="ddlDialogTarget"
-    :connection-id="props.connection.id"
-    :database="props.database"
-    :schema="ddlDialogTarget.schema || selectedSchema"
-    :table-name="ddlDialogTarget.name"
-    :object-type="tableDdlObjectType(ddlDialogTarget.type)"
-    :dialect="sourceDialect"
-    :format-dialect="sourceFormatDialect"
-    v-model:open="showDdlDialog"
-  />
 </template>
 
 <style scoped>

apps/desktop/src/lib/__tests__/table/objectBrowserRowAction.spec.ts

@@ -94,9 +94,15 @@ describe("resolveRowClickAction", () => {
   });
 
   describe("double-click activation mode", () => {
-    it("single click (detail=1) returns none", () => {
+    it("single click (detail=1) on TABLE returns table-info (side panel)", () => {
       const result = resolveRowClickAction(tableRow, 1, "double");
-      expect(result.action).toBe("none");
+      expect(result.action).toBe("table-info");
+      expect(result.isDouble).toBe(false);
+    });
+
+    it("single click (detail=1) on VIEW returns open-source (side panel)", () => {
+      const result = resolveRowClickAction(viewRow, 1, "double");
+      expect(result.action).toBe("open-source");
       expect(result.isDouble).toBe(false);
     });
 
@@ -118,28 +124,24 @@ describe("shouldDeferSingleClick", () => {
   const tableRow = row("TABLE", "users");
   const viewRow = row("VIEW", "v_users");
 
-  it("defers TABLE table-info in single mode (distinct single/double actions)", () => {
-    expect(shouldDeferSingleClick(tableRow, "table-info", "single")).toBe(true);
+  it("defers TABLE table-info (distinct single/double actions)", () => {
+    expect(shouldDeferSingleClick(tableRow, "table-info")).toBe(true);
   });
 
-  it("does not defer VIEW open-source in single mode (same single/double action)", () => {
-    expect(shouldDeferSingleClick(viewRow, "open-source", "single")).toBe(false);
-  });
-
-  it("does not defer in double activation mode", () => {
-    expect(shouldDeferSingleClick(tableRow, "table-info", "double")).toBe(false);
+  it("does not defer VIEW open-source (same single/double action)", () => {
+    expect(shouldDeferSingleClick(viewRow, "open-source")).toBe(false);
   });
 
   it("does not defer none action", () => {
-    expect(shouldDeferSingleClick(tableRow, "none", "single")).toBe(false);
+    expect(shouldDeferSingleClick(tableRow, "none")).toBe(false);
   });
 
   it("does not defer when action is not the single-click action", () => {
-    expect(shouldDeferSingleClick(tableRow, "open-table", "single")).toBe(false);
+    expect(shouldDeferSingleClick(tableRow, "open-table")).toBe(false);
   });
 
   it("handles null/undefined row", () => {
-    expect(shouldDeferSingleClick(null, "table-info", "single")).toBe(false);
-    expect(shouldDeferSingleClick(undefined, "open-source", "single")).toBe(false);
+    expect(shouldDeferSingleClick(null, "table-info")).toBe(false);
+    expect(shouldDeferSingleClick(undefined, "open-source")).toBe(false);
   });
 });

apps/desktop/src/lib/table/objectBrowserRowAction.ts

@@ -31,11 +31,17 @@ export function doubleClickRowAction(row: ObjectBrowserRow | null | undefined):
 /**
  * Resolve a row click event into a single or double action based on click detail
  * and the sidebar activation setting.
+ *
+ * In both single-click and double-click activation modes, a single click
+ * triggers the side-panel action (table-info / open-source). When a distinct
+ * double-click action exists (e.g. TABLE single→table-info, double→open-table),
+ * the caller defers the single-click via shouldDeferSingleClick so the second
+ * click can cancel it.
  */
 export function resolveRowClickAction(row: ObjectBrowserRow | null | undefined, detail: number, activation: "single" | "double"): { action: ObjectBrowserRowAction; isDouble: boolean } {
   if (activation === "double") {
     if (detail === 2) return { action: doubleClickRowAction(row), isDouble: true };
-    return { action: "none", isDouble: false };
+    return { action: singleClickRowAction(row), isDouble: false };
   }
   // single-click activation
   if (detail > 1) return { action: doubleClickRowAction(row), isDouble: true };
@@ -44,13 +50,12 @@ export function resolveRowClickAction(row: ObjectBrowserRow | null | undefined,
 
 /**
  * Whether a single-click action should be deferred to distinguish it from a
- * possible upcoming double-click. Only applies in single-click activation mode
- * and when the row's single-click and double-click actions differ (e.g. TABLE:
- * single → table-info, double → open-table). For rows whose single and double
- * actions are identical (e.g. VIEW → open-source both), no deferral is needed.
+ * possible upcoming double-click. Applies when the row's single-click and
+ * double-click actions differ (e.g. TABLE: single → table-info, double →
+ * open-table). For rows whose single and double actions are identical
+ * (e.g. VIEW → open-source both), no deferral is needed.
  */
-export function shouldDeferSingleClick(row: ObjectBrowserRow | null | undefined, action: ObjectBrowserRowAction, activation: "single" | "double"): boolean {
-  if (activation !== "single") return false;
+export function shouldDeferSingleClick(row: ObjectBrowserRow | null | undefined, action: ObjectBrowserRowAction): boolean {
   if (action === "none") return false;
   const single = singleClickRowAction(row);
   const double = doubleClickRowAction(row);