diff --git a/apps/desktop/src/components/objects/ObjectBrowser.vue b/apps/desktop/src/components/objects/ObjectBrowser.vue
index a308393ef4..815fce5cfe 100644
--- a/apps/desktop/src/components/objects/ObjectBrowser.vue
+++ b/apps/desktop/src/components/objects/ObjectBrowser.vue
@@ -152,7 +152,7 @@ import {
   type ObjectBrowserSortDirection,
   type ObjectBrowserSortKey,
 } from "@/lib/table/objectBrowserRows";
-import { isSourceOnlyObjectBrowserRow, resolveRowClickAction, shouldDeferSingleClick, type ObjectBrowserRowAction } from "@/lib/table/objectBrowserRowAction";
+import { isSourceOnlyObjectBrowserRow, resolveRowClickAction, shouldDeferSingleClick, singleClickRowAction, type ObjectBrowserRowAction } from "@/lib/table/objectBrowserRowAction";
 import { objectBrowserTableSelectionAnchor, objectBrowserTableSelectionRange } from "@/lib/table/objectBrowserSelection";
 import { customTypeCapabilities, supportsTypeObjectSource } from "@/lib/database/databaseObjectCapabilities";
 import { filterObjectBrowserTableColumns } from "@/lib/table/objectBrowserTableInfo";
@@ -1036,13 +1036,18 @@ function onRowClick(row: ObjectBrowserRow, event: MouseEvent) {
   if (row.type === "TABLE") tableSelectionAnchorId.value = row.id;
   const activation = settingsStore.editorSettings.sidebarActivation;
   const { action, isDouble } = resolveRowClickAction(row, event.detail, activation, effectiveDatabaseType.value);
-  // Double click: cancel any pending single-click and fire immediately
+  // Double click: cancel any pending single-click and fire immediately. When
+  // the row's single/double actions are identical (e.g. VIEW → open-source),
+  // this gesture's first click already ran it — re-executing would toggle the
+  // just-opened side panel back off (or emit open-table twice for MongoDB).
   if (isDouble) {
     if (singleClickTimer) {
       clearTimeout(singleClickTimer);
       singleClickTimer = null;
     }
-    executeRowAction(row, action);
+    if (action !== singleClickRowAction(row, effectiveDatabaseType.value)) {
+      executeRowAction(row, action);
+    }
     return;
   }
   // Single click: defer when the row has a distinct double-click action so a
diff --git a/apps/desktop/src/lib/__tests__/table/objectBrowserRowAction.spec.ts b/apps/desktop/src/lib/__tests__/table/objectBrowserRowAction.spec.ts
index 9aeae87177..bd88ba3fcd 100644
--- a/apps/desktop/src/lib/__tests__/table/objectBrowserRowAction.spec.ts
+++ b/apps/desktop/src/lib/__tests__/table/objectBrowserRowAction.spec.ts
@@ -76,8 +76,8 @@ describe("doubleClickRowAction", () => {
     expect(doubleClickRowAction(row("TABLE", "orders"))).toBe("open-table");
   });
 
-  it("returns open-source for VIEW", () => {
-    expect(doubleClickRowAction(row("VIEW", "v_orders"))).toBe("open-source");
+  it.each(["VIEW", "MATERIALIZED_VIEW"] as const)("returns open-table for %s like the sidebar data nodes", (type) => {
+    expect(doubleClickRowAction(row(type, "v_orders"))).toBe("open-table");
   });
 
   it("returns open-source for PROCEDURE", () => {
@@ -123,9 +123,9 @@ describe("resolveRowClickAction", () => {
       expect(result.isDouble).toBe(false);
     });
 
-    it("double click on VIEW returns open-source", () => {
+    it("double click on VIEW returns open-table", () => {
       const result = resolveRowClickAction(viewRow, 2, "single");
-      expect(result.action).toBe("open-source");
+      expect(result.action).toBe("open-table");
       expect(result.isDouble).toBe(true);
     });
   });
@@ -149,9 +149,9 @@ describe("resolveRowClickAction", () => {
       expect(result.isDouble).toBe(true);
     });
 
-    it("double click on VIEW returns open-source", () => {
+    it("double click on VIEW returns open-table", () => {
       const result = resolveRowClickAction(viewRow, 2, "double");
-      expect(result.action).toBe("open-source");
+      expect(result.action).toBe("open-table");
       expect(result.isDouble).toBe(true);
     });
   });
@@ -165,8 +165,12 @@ describe("shouldDeferSingleClick", () => {
     expect(shouldDeferSingleClick(tableRow, "table-info")).toBe(true);
   });
 
-  it("does not defer VIEW open-source (same single/double action)", () => {
-    expect(shouldDeferSingleClick(viewRow, "open-source")).toBe(false);
+  it("defers VIEW open-source (distinct single/double actions)", () => {
+    expect(shouldDeferSingleClick(viewRow, "open-source")).toBe(true);
+  });
+
+  it("does not defer PROCEDURE open-source (same single/double action)", () => {
+    expect(shouldDeferSingleClick(row("PROCEDURE", "sp_run"), "open-source")).toBe(false);
   });
 
   it("does not defer none action", () => {
diff --git a/apps/desktop/src/lib/table/objectBrowserRowAction.ts b/apps/desktop/src/lib/table/objectBrowserRowAction.ts
index 08e1e3c1a7..fc5468f799 100644
--- a/apps/desktop/src/lib/table/objectBrowserRowAction.ts
+++ b/apps/desktop/src/lib/table/objectBrowserRowAction.ts
@@ -26,14 +26,15 @@ export function singleClickRowAction(row: ObjectBrowserRow | null | undefined, d
 
 /**
  * Determine the action for a double click on an object browser row.
- * - TABLE → open-table (open table data tab)
- * - VIEW/MATERIALIZED_VIEW/PROCEDURE/FUNCTION/TRIGGER/SEQUENCE/PACKAGE/PACKAGE_BODY/TYPE/TYPE_BODY → open-source
+ * - TABLE/VIEW/MATERIALIZED_VIEW → open-table (open data tab, matching the
+ *   sidebar's data-node double-click behavior)
+ * - PROCEDURE/FUNCTION/TRIGGER/SEQUENCE/PACKAGE/PACKAGE_BODY/TYPE/TYPE_BODY → open-source
  * - otherwise → none
  */
 export function doubleClickRowAction(row: ObjectBrowserRow | null | undefined, dbType?: DatabaseType): ObjectBrowserRowAction {
   if (!row) return "none";
   if (dbType === "mongodb") return mongoObjectBrowserRowAction(row);
-  if (row.type === "TABLE") return "open-table";
+  if (row.type === "TABLE" || row.type === "VIEW" || row.type === "MATERIALIZED_VIEW") return "open-table";
   if (row.type === "EVENT") return "open-source";
   if (row.type === "TYPE" && customTypeCapabilities(dbType).details) return "type-info";
   if (canOpenSource(row, dbType)) return "open-source";