diff --git a/apps/desktop/src/components/sidebar/ConnectionTree.vue b/apps/desktop/src/components/sidebar/ConnectionTree.vue
index b6fe513379..053da81cff 100644
--- a/apps/desktop/src/components/sidebar/ConnectionTree.vue
+++ b/apps/desktop/src/components/sidebar/ConnectionTree.vue
@@ -8,7 +8,7 @@ import { useSavedSqlStore } from "@/stores/savedSqlStore";
 import { useSettingsStore } from "@/stores/settingsStore";
 import { useToast } from "@/composables/useToast";
 import type { ObjectSourceKind, TableInfo, TableNameFilter, TreeNode, TreeNodeType } from "@/types/database";
-import { filterSidebarSearchRootsByConnectionState, filterSidebarTree, filterSidebarTreeToConnectedConnections, resolveSidebarFilterGuards, reuseLiveSidebarTreeNodes } from "@/lib/sidebar/sidebarSearchTree";
+import { createSidebarSearchSubtreePreserver, filterSidebarSearchRootsByConnectionState, filterSidebarTree, filterSidebarTreeToConnectedConnections, resolveSidebarFilterGuards, resolveSidebarObjectSearchFilter, reuseLiveSidebarTreeNodes } from "@/lib/sidebar/sidebarSearchTree";
 import { matchSidebarLabel } from "@/lib/sidebar/sidebarSearch";
 import { buildTableTreeNodes } from "@/lib/table/tableTree";
 import { isCancelSearchShortcut, isCopySidebarSelectionShortcut, isEditSidebarConnectionShortcut, isPasteSidebarSelectionShortcut, isViewTableDdlShortcut } from "@/lib/editor/keyboardShortcuts";
@@ -229,8 +229,9 @@ watch(deferredSearchQuery, (newQuery, oldQuery) => {
     return;
   }
   const tasks: Promise<void>[] = [];
+  const preservesSearchSubtree = newQuery ? createSidebarSearchSubtreePreserver(newQuery, searchableNodeTypes.value) : undefined;
   for (const root of store.treeNodes) {
-    collectExpandedObjectSearchTargets(root, tasks, newQuery ? searchRefreshedNodeIds : undefined);
+    collectExpandedObjectSearchTargets(root, tasks, newQuery ? searchRefreshedNodeIds : undefined, preservesSearchSubtree);
   }
   if (!newQuery && oldQuery) {
     searchRefreshedNodeIds.clear();
@@ -250,7 +251,8 @@ function isSimpleObjectSearchParent(node: TreeNode): boolean {
   return settingsStore.editorSettings.sidebarObjectDisplay === "simple" && simpleObjectParentTypes.has(node.type) && node.isExpanded === true && (!!node.children?.some((child) => simpleObjectChildTypes.has(child.type)) || !!store.sidebarTableSearchQueries[node.id]?.trim());
 }
 
-function collectExpandedObjectSearchTargets(node: TreeNode, tasks: Promise<void>[], refreshedNodeIds?: Set<string>) {
+function collectExpandedObjectSearchTargets(node: TreeNode, tasks: Promise<void>[], refreshedNodeIds?: Set<string>, preservesNodeSubtree?: (node: TreeNode) => boolean, ancestorPreservesSearchSubtree = false) {
+  const preservesSearchSubtree = ancestorPreservesSearchSubtree || (!!refreshedNodeIds && !!preservesNodeSubtree?.(node));
   if (refreshedNodeIds && node.type === "connection" && node.connectionId) {
     if (store.connectedIds.has(node.connectionId)) {
       tasks.push(store.loadConnectedConnectionRootForSidebarSearch(node.connectionId));
@@ -258,15 +260,27 @@ function collectExpandedObjectSearchTargets(node: TreeNode, tasks: Promise<void>
     if (node.connectionId !== store.activeConnectionId) return;
   }
   if (refreshedNodeIds && isSimpleObjectSearchParent(node)) {
-    refreshedNodeIds.add(node.id);
-    tasks.push(store.refreshTreeNode(node));
+    if (preservesSearchSubtree) {
+      if (refreshedNodeIds.delete(node.id)) {
+        tasks.push(store.loadTreeNodeChildren(node, { force: true, searchFilter: "", allowGlobalSearchMismatch: true, expectedSidebarSearchQuery: store.sidebarSearchQuery }));
+      }
+    } else {
+      refreshedNodeIds.add(node.id);
+      tasks.push(store.refreshTreeNode(node));
+    }
     return;
   }
   if (refreshedNodeIds && node.isExpanded && node.children) {
     for (const child of node.children) {
       if (child.connectionId && searchableObjectGroupTypes.has(child.type)) {
-        refreshedNodeIds.add(child.id);
-        tasks.push(store.loadObjectGroupChildren(child, { force: true }));
+        if (preservesSearchSubtree) {
+          if (refreshedNodeIds.delete(child.id)) {
+            tasks.push(store.loadObjectGroupChildren(child, { force: true, searchFilter: "", allowGlobalSearchMismatch: true, expectedSidebarSearchQuery: store.sidebarSearchQuery }));
+          }
+        } else {
+          refreshedNodeIds.add(child.id);
+          tasks.push(store.loadObjectGroupChildren(child, { force: true }));
+        }
       }
     }
   } else if (!refreshedNodeIds && searchRefreshedNodeIds.has(node.id)) {
@@ -278,7 +292,7 @@ function collectExpandedObjectSearchTargets(node: TreeNode, tasks: Promise<void>
   }
   if (node.children) {
     for (const child of node.children) {
-      collectExpandedObjectSearchTargets(child, tasks, refreshedNodeIds);
+      collectExpandedObjectSearchTargets(child, tasks, refreshedNodeIds, preservesNodeSubtree, preservesSearchSubtree);
     }
   }
 }
@@ -938,6 +952,12 @@ const pasteHandlerRegistry = createSidebarPasteHandlerRegistry();
 provide(sidebarTreeContextKey, {
   getVisibleNodes: () => selectableVisibleNodes.value,
   getVisibleNodeIndex: (id: string) => selectableVisibleNodeIndexById.value.get(id) ?? -1,
+  getTreeLoadSearchOptions: (node) => {
+    const query = deferredSearchQuery.value;
+    if (!query) return undefined;
+    const searchFilter = resolveSidebarObjectSearchFilter(store.treeNodes, node.id, query, searchableNodeTypes.value);
+    return searchFilter ? undefined : { searchFilter: "", allowGlobalSearchMismatch: true, expectedSidebarSearchQuery: query };
+  },
   setTableSearchQuery: (parentNodeId, query, local) => {
     const focusRestore = captureTableSearchFocus(parentNodeId);
     latestTableSearchInteractionParentId = parentNodeId;
diff --git a/apps/desktop/src/components/sidebar/SidebarTreeRuntimeHost.vue b/apps/desktop/src/components/sidebar/SidebarTreeRuntimeHost.vue
index d11227e560..f53a013763 100644
--- a/apps/desktop/src/components/sidebar/SidebarTreeRuntimeHost.vue
+++ b/apps/desktop/src/components/sidebar/SidebarTreeRuntimeHost.vue
@@ -566,6 +566,7 @@ async function openDirectNavigationNode(node: TreeNode) {
 
 async function toggle() {
   const node = activeNode.value;
+  const treeLoadSearchOptions = sidebarTreeContext?.getTreeLoadSearchOptions?.(node);
   if (isDirectNavigationTreeNode(node.type)) {
     try {
       await openDirectNavigationNode(node);
@@ -664,7 +665,7 @@ async function toggle() {
       return;
     }
 
-    if (await loadSidebarObjectGroup(node, connectionStore)) {
+    if (await loadSidebarObjectGroup(node, connectionStore, treeLoadSearchOptions)) {
       emitNodeToggled(node, wasExpanded);
       return;
     }
@@ -697,11 +698,11 @@ async function toggle() {
       } else if (config?.db_type === "mq") {
         await connectionStore.loadMqTenants(node.connectionId);
       } else if (config?.db_type === "nacos") {
-        await connectionStore.loadNacosNamespaces(node.connectionId);
+        await connectionStore.loadNacosNamespaces(node.connectionId, treeLoadSearchOptions);
       } else if (config?.db_type === "mqtt") {
         await connectionStore.loadMqttTopics(node.connectionId);
       } else {
-        await connectionStore.loadDatabases(node.connectionId);
+        await connectionStore.loadDatabases(node.connectionId, treeLoadSearchOptions);
       }
     } else if (node.type === "redis-db" && node.connectionId && node.database) {
       await connectionStore.ensureConnected(node.connectionId);
@@ -779,30 +780,30 @@ async function toggle() {
       }
     } else if (node.type === "database" && node.connectionId && hasTreeNodeDatabaseContext(node)) {
       if (node.catalog && node.catalog !== "internal") {
-        await connectionStore.loadDorisCatalogTables(node);
+        await connectionStore.loadDorisCatalogTables(node, treeLoadSearchOptions);
       } else {
         const config = connectionStore.getConfig(node.connectionId);
         const effectiveDbType = effectiveDatabaseTypeForConnection(config);
         if (config?.db_type === "sqlserver") {
-          await connectionStore.loadSqlServerDatabaseObjects(node.connectionId, node.database);
+          await connectionStore.loadSqlServerDatabaseObjects(node.connectionId, node.database, treeLoadSearchOptions);
         } else if (usesTreeSchemaMode(effectiveDbType) && !connectionUsesDatabaseObjectTreeMode(config)) {
-          await connectionStore.loadSchemas(node.connectionId, node.database);
+          await connectionStore.loadSchemas(node.connectionId, node.database, treeLoadSearchOptions);
         } else {
-          await connectionStore.loadTables(node.connectionId, node.database);
+          await connectionStore.loadTables(node.connectionId, node.database, undefined, treeLoadSearchOptions);
         }
       }
     } else if (node.type === "doris-catalog" && node.connectionId) {
-      await connectionStore.loadDorisCatalogDatabases(node);
+      await connectionStore.loadDorisCatalogDatabases(node, treeLoadSearchOptions);
     } else if (node.type === "schema" && node.connectionId && hasTreeNodeDatabaseContext(node) && node.schema) {
-      await connectionStore.loadTables(node.connectionId, node.database, node.schema);
+      await connectionStore.loadTables(node.connectionId, node.database, node.schema, treeLoadSearchOptions);
     } else if (node.type === "linked-server-root" && node.connectionId) {
-      await connectionStore.loadSqlServerLinkedServers(node.connectionId);
+      await connectionStore.loadSqlServerLinkedServers(node.connectionId, treeLoadSearchOptions);
     } else if (node.type === "linked-server" && node.connectionId) {
-      await connectionStore.loadSqlServerLinkedServerCatalogs(node);
+      await connectionStore.loadSqlServerLinkedServerCatalogs(node, treeLoadSearchOptions);
     } else if (node.type === "linked-server-catalog" && node.connectionId) {
-      await connectionStore.loadSqlServerLinkedServerSchemas(node);
+      await connectionStore.loadSqlServerLinkedServerSchemas(node, treeLoadSearchOptions);
     } else if (node.type === "linked-server-schema" && node.connectionId && hasTreeNodeDatabaseContext(node) && node.schema) {
-      await connectionStore.loadTables(node.connectionId, node.database, node.schema);
+      await connectionStore.loadTables(node.connectionId, node.database, node.schema, treeLoadSearchOptions);
     } else if ((node.type === "table" || node.type === "view" || node.type === "materialized_view") && node.connectionId && hasTreeNodeDatabaseContext(node)) {
       await connectionStore.loadTableGroups(node.connectionId, node.database, node.label, node.schema, node.id, node.catalog);
     } else if (node.type === "group-columns" && node.connectionId && hasTreeNodeDatabaseContext(node) && node.tableName) {
diff --git a/apps/desktop/src/components/sidebar/__tests__/SidebarTreeRuntimeHost.expansion.spec.ts b/apps/desktop/src/components/sidebar/__tests__/SidebarTreeRuntimeHost.expansion.spec.ts
index 4198c5b550..a44ea25c49 100644
--- a/apps/desktop/src/components/sidebar/__tests__/SidebarTreeRuntimeHost.expansion.spec.ts
+++ b/apps/desktop/src/components/sidebar/__tests__/SidebarTreeRuntimeHost.expansion.spec.ts
@@ -1,10 +1,11 @@
 // @vitest-environment happy-dom
 
-import { createApp, defineComponent, h, nextTick, ref, type App } from "vue";
+import { createApp, defineComponent, h, nextTick, provide, ref, type App } from "vue";
 import { afterEach, describe, expect, it, vi } from "vitest";
 import i18n from "@/i18n";
 import type { TreeNode } from "@/types/database";
 import { syncSidebarTreeNodeExpansion } from "@/lib/sidebar/sidebarTreeExpansion";
+import { sidebarTreeContextKey } from "@/lib/sidebar/sidebarTreeContext";
 import SidebarTreeRuntimeHost from "@/components/sidebar/SidebarTreeRuntimeHost.vue";
 
 const connectionStore = {
@@ -16,6 +17,9 @@ const connectionStore = {
   loadPackageMembers: vi.fn(async (node: TreeNode) => {
     node.isExpanded = true;
   }),
+  loadObjectGroupChildren: vi.fn(async (node: TreeNode) => {
+    node.isExpanded = true;
+  }),
 };
 
 vi.mock("@/stores/connectionStore", () => ({
@@ -44,6 +48,7 @@ afterEach(() => {
   connectionStore.treeNodes = [];
   connectionStore.sidebarSearchQuery = "";
   vi.clearAllMocks();
+  connectionStore.canUseLoadedTreeNodeToggle.mockReturnValue(true);
   connectionStore.getConfig.mockReturnValue({ db_type: "mysql" });
 });
 
@@ -116,4 +121,47 @@ describe("SidebarTreeRuntimeHost expansion", () => {
     expect(packageNode.isExpanded).toBe(true);
     expect(toggled).toHaveBeenCalledWith(packageNode, true);
   });
+
+  it("expands an unloaded object group without leaking a matching connection name", async () => {
+    const group: TreeNode = {
+      id: "mysql:basic:__tables",
+      label: "tree.tables",
+      type: "group-tables",
+      connectionId: "mysql",
+      database: "basic",
+      isExpanded: false,
+      children: [],
+    };
+    connectionStore.sidebarSearchQuery = "60307";
+    connectionStore.canUseLoadedTreeNodeToggle.mockReturnValue(false);
+
+    const host = ref<InstanceType<typeof SidebarTreeRuntimeHost> | null>(null);
+    const app = createApp(
+      defineComponent({
+        setup() {
+          provide(sidebarTreeContextKey, {
+            getVisibleNodes: () => [group],
+            getVisibleNodeIndex: () => 0,
+            getTreeLoadSearchOptions: () => ({ searchFilter: "", allowGlobalSearchMismatch: true, expectedSidebarSearchQuery: "60307" }),
+          });
+          return () => h(SidebarTreeRuntimeHost, { ref: host, node: group, depth: 0 });
+        },
+      }),
+    );
+    mountedApps.push(app);
+    const container = document.createElement("div");
+    document.body.append(container);
+    app.use(i18n);
+    app.mount(container);
+
+    host.value?.toggleNode(group);
+
+    await vi.waitFor(() =>
+      expect(connectionStore.loadObjectGroupChildren).toHaveBeenCalledWith(group, {
+        searchFilter: "",
+        allowGlobalSearchMismatch: true,
+        expectedSidebarSearchQuery: "60307",
+      }),
+    );
+  });
 });
diff --git a/apps/desktop/src/lib/sidebar/sidebarObjectGroupRouting.ts b/apps/desktop/src/lib/sidebar/sidebarObjectGroupRouting.ts
index cc18ce1a96..cacb543c3f 100644
--- a/apps/desktop/src/lib/sidebar/sidebarObjectGroupRouting.ts
+++ b/apps/desktop/src/lib/sidebar/sidebarObjectGroupRouting.ts
@@ -4,7 +4,13 @@ import { objectTypesForGroupNode } from "@/lib/table/tableTree";
 
 export interface SidebarObjectGroupLoaders {
   loadTriggers(connectionId: string, database: string, table: string, schema?: string, nodeId?: string, catalog?: string): Promise<void>;
-  loadObjectGroupChildren(node: TreeNode): Promise<void>;
+  loadObjectGroupChildren(node: TreeNode, options?: SidebarObjectGroupLoadOptions): Promise<void>;
+}
+
+export interface SidebarObjectGroupLoadOptions {
+  searchFilter?: string;
+  allowGlobalSearchMismatch?: boolean;
+  expectedSidebarSearchQuery?: string;
 }
 
 /**
@@ -12,13 +18,13 @@ export interface SidebarObjectGroupLoaders {
  * Table trigger groups are special because they are scoped to one table;
  * schema-level trigger groups are regular database object groups.
  */
-export async function loadSidebarObjectGroup(node: TreeNode, loaders: SidebarObjectGroupLoaders): Promise<boolean> {
+export async function loadSidebarObjectGroup(node: TreeNode, loaders: SidebarObjectGroupLoaders, options?: SidebarObjectGroupLoadOptions): Promise<boolean> {
   if (node.type === "group-triggers" && node.connectionId && hasTreeNodeDatabaseContext(node) && node.tableName) {
     await loaders.loadTriggers(node.connectionId, node.database, node.tableName, node.schema, node.id, node.catalog);
     return true;
   }
 
   if (!objectTypesForGroupNode(node.type)) return false;
-  await loaders.loadObjectGroupChildren(node);
+  await loaders.loadObjectGroupChildren(node, options);
   return true;
 }
diff --git a/apps/desktop/src/lib/sidebar/sidebarSearchTree.ts b/apps/desktop/src/lib/sidebar/sidebarSearchTree.ts
index 6f1c6a41f7..abe6f888cd 100644
--- a/apps/desktop/src/lib/sidebar/sidebarSearchTree.ts
+++ b/apps/desktop/src/lib/sidebar/sidebarSearchTree.ts
@@ -22,6 +22,36 @@ function normalizedLabel(node: TreeNode): string {
   return node.label;
 }
 
+function findNodePath(nodes: readonly TreeNode[], targetNodeId: string, ancestors: readonly TreeNode[] = []): readonly TreeNode[] | undefined {
+  for (const node of nodes) {
+    const path = [...ancestors, node];
+    if (node.id === targetNodeId) return path;
+    if (node.children) {
+      const childPath = findNodePath(node.children, targetNodeId, path);
+      if (childPath) return childPath;
+    }
+  }
+  return undefined;
+}
+
+function nodePreservesSearchSubtree(node: TreeNode, matchLabel: SidebarLabelMatcher, searchableNodeTypes?: ReadonlySet<TreeNodeType>): boolean {
+  if (searchableNodeTypes && !searchableNodeTypes.has(node.type)) return false;
+  return preserveMatchedSubtreeTypes.has(node.type) && !!bestMatch(matchLabel, normalizedLabel(node), node.comment, node.searchAliases);
+}
+
+export function createSidebarSearchSubtreePreserver(query: string, searchableNodeTypes?: ReadonlySet<TreeNodeType>): (node: TreeNode) => boolean {
+  const matchLabel = query ? createSidebarLabelMatcher(query) : undefined;
+  return (node) => !!matchLabel && nodePreservesSearchSubtree(node, matchLabel, searchableNodeTypes);
+}
+
+export function resolveSidebarObjectSearchFilter(nodes: readonly TreeNode[], targetNodeId: string, query: string, searchableNodeTypes?: ReadonlySet<TreeNodeType>): string {
+  if (!query) return query;
+  const matchLabel = createSidebarLabelMatcher(query);
+  const path = findNodePath(nodes, targetNodeId);
+  const preservesSubtree = path?.some((node) => nodePreservesSearchSubtree(node, matchLabel, searchableNodeTypes));
+  return preservesSubtree ? "" : query;
+}
+
 export function filterSidebarTree(nodes: TreeNode[], query: string, collapsedIds: ReadonlySet<string>, searchableNodeTypes?: ReadonlySet<TreeNodeType>): TreeNode[] {
   const matchLabel = query ? createSidebarLabelMatcher(query) : undefined;
   if (!matchLabel && searchableNodeTypes === undefined) return nodes;
diff --git a/apps/desktop/src/lib/sidebar/sidebarTreeContext.ts b/apps/desktop/src/lib/sidebar/sidebarTreeContext.ts
index c852c34677..2b8306763a 100644
--- a/apps/desktop/src/lib/sidebar/sidebarTreeContext.ts
+++ b/apps/desktop/src/lib/sidebar/sidebarTreeContext.ts
@@ -4,6 +4,7 @@ import type { TreeNode } from "@/types/database";
 export interface SidebarTreeContext {
   getVisibleNodes: () => TreeNode[];
   getVisibleNodeIndex: (id: string) => number;
+  getTreeLoadSearchOptions?: (node: TreeNode) => { searchFilter: string; allowGlobalSearchMismatch: true; expectedSidebarSearchQuery: string } | undefined;
   setTableSearchQuery?: (parentNodeId: string, query: string, local: boolean) => void;
   refreshTableSearchIndex?: (parentNodeId: string) => void;
   registerPasteHandler?: (nodeId: string, callback: () => void) => () => void;
diff --git a/apps/desktop/src/stores/__tests__/connectionStore.metadataLoading.spec.ts b/apps/desktop/src/stores/__tests__/connectionStore.metadataLoading.spec.ts
index 16776cfd25..0c876dce20 100644
--- a/apps/desktop/src/stores/__tests__/connectionStore.metadataLoading.spec.ts
+++ b/apps/desktop/src/stores/__tests__/connectionStore.metadataLoading.spec.ts
@@ -2968,17 +2968,15 @@ describe("connectionStore metadata loading", () => {
     }));
     let resolveSearchClearReload!: (tables: TableInfo[]) => void;
     let unfilteredFirstPageCalls = 0;
-    const listTables = vi.fn(
-      (_connectionId: string, _database: string, _schema: string, searchFilter?: string, limit?: number, offset?: number) => {
-        if (searchFilter) return Promise.resolve(tables.filter((table) => table.name.includes(searchFilter)));
-        if ((offset ?? 0) === 0 && ++unfilteredFirstPageCalls === 1) {
-          return new Promise<TableInfo[]>((resolve) => {
-            resolveSearchClearReload = resolve;
-          });
-        }
-        return Promise.resolve(tables.slice(offset ?? 0, (offset ?? 0) + (limit ?? tables.length)));
-      },
-    );
+    const listTables = vi.fn((_connectionId: string, _database: string, _schema: string, searchFilter?: string, limit?: number, offset?: number) => {
+      if (searchFilter) return Promise.resolve(tables.filter((table) => table.name.includes(searchFilter)));
+      if ((offset ?? 0) === 0 && ++unfilteredFirstPageCalls === 1) {
+        return new Promise<TableInfo[]>((resolve) => {
+          resolveSearchClearReload = resolve;
+        });
+      }
+      return Promise.resolve(tables.slice(offset ?? 0, (offset ?? 0) + (limit ?? tables.length)));
+    });
 
     vi.doMock("@/lib/backend/tauriRuntime", () => ({ isTauriRuntime: () => false }));
     vi.doMock("@/lib/backend/api", () => ({
@@ -3060,6 +3058,75 @@ describe("connectionStore metadata loading", () => {
     expect(listTables).toHaveBeenCalledTimes(5);
   });
 
+  it("keeps connection-name matches out of object metadata filters", async () => {
+    const listTables = vi.fn((_connectionId: string, _database: string, _schema: string, searchFilter?: string) => Promise.resolve(searchFilter === "orders" || !searchFilter ? [{ name: "orders", table_type: "TABLE" as const, comment: null }] : []));
+
+    vi.doMock("@/lib/backend/tauriRuntime", () => ({ isTauriRuntime: () => false }));
+    vi.doMock("@/lib/backend/api", () => ({
+      checkConnectionHealth: vi.fn().mockResolvedValue(undefined),
+      deleteSchemaCachePrefix: vi.fn().mockResolvedValue(undefined),
+      listTables,
+      loadSchemaCache: vi.fn().mockResolvedValue(null),
+      saveConnections: vi.fn().mockResolvedValue(undefined),
+      saveSchemaCache: vi.fn().mockResolvedValue(undefined),
+      saveSidebarLayout: vi.fn().mockResolvedValue(undefined),
+    }));
+
+    const { useConnectionStore } = await import("@/stores/connectionStore");
+    const { useSettingsStore } = await import("@/stores/settingsStore");
+    const store = useConnectionStore();
+    const settingsStore = useSettingsStore();
+    settingsStore.editorSettings.sidebarObjectDisplay = "grouped";
+    settingsStore.desktopSettings.sidebar_table_page_size = 200;
+    const connection = { ...mysqlConnection(), name: "60307" };
+    const tablesGroup: TreeNode = {
+      id: "mysql-1:basic:__tables",
+      label: "tree.tables",
+      type: "group-tables",
+      connectionId: connection.id,
+      database: "basic",
+      isExpanded: true,
+      children: [],
+    };
+    store.connections = [connection];
+    store.connectedIds.add(connection.id);
+    store.treeNodes = [{ id: connection.id, label: connection.name, type: "connection", connectionId: connection.id, children: [tablesGroup] }];
+
+    store.sidebarSearchQuery = "60307";
+    await store.loadObjectGroupChildren(tablesGroup, { force: true, searchFilter: "", allowGlobalSearchMismatch: true, expectedSidebarSearchQuery: "60307" });
+
+    expect(listTables).toHaveBeenLastCalledWith(connection.id, "basic", "basic", undefined, 201, 0, ["TABLE"]);
+    expect(tablesGroup.children?.map((node) => node.label)).toEqual(["orders"]);
+
+    store.sidebarSearchQuery = "orders";
+    await store.loadObjectGroupChildren(tablesGroup, { force: true });
+
+    expect(listTables).toHaveBeenLastCalledWith(connection.id, "basic", "basic", "orders", 200, undefined, ["TABLE"]);
+    expect(tablesGroup.children?.map((node) => node.label)).toEqual(["orders"]);
+
+    let resolveAncestorLoad!: (tables: TableInfo[]) => void;
+    listTables.mockImplementationOnce(
+      () =>
+        new Promise<TableInfo[]>((resolve) => {
+          resolveAncestorLoad = resolve;
+        }),
+    );
+    store.sidebarSearchQuery = "60307";
+    const ancestorLoad = store.loadObjectGroupChildren(tablesGroup, {
+      force: true,
+      searchFilter: "",
+      allowGlobalSearchMismatch: true,
+      expectedSidebarSearchQuery: "60307",
+    });
+    await vi.waitFor(() => expect(listTables).toHaveBeenCalledTimes(3));
+
+    store.sidebarSearchQuery = "customers";
+    resolveAncestorLoad([{ name: "stale_table", table_type: "TABLE", comment: null }]);
+    await ancestorLoad;
+
+    expect(tablesGroup.children?.map((node) => node.label)).toEqual(["orders"]);
+  });
+
   it("merges load-more table pages onto the live group node after an in-tree replacement", async () => {
     const firstPage = Array.from({ length: 201 }, (_, index) => ({
       name: `t_${String(index + 1).padStart(4, "0")}`,
diff --git a/apps/desktop/src/stores/connectionStore.ts b/apps/desktop/src/stores/connectionStore.ts
index 9a2ee9df52..43ec4cf681 100644
--- a/apps/desktop/src/stores/connectionStore.ts
+++ b/apps/desktop/src/stores/connectionStore.ts
@@ -2176,8 +2176,9 @@ export const useConnectionStore = defineStore("connection", () => {
 
   function isTreeLoadSearchChanged(searchFilter: string, options?: LoadTreeOptions): boolean {
     if (options?.sidebarTableSearchParentId) return isSidebarTableSearchQueryChanged(options);
+    if (isSidebarSearchQueryChanged(options)) return true;
     if (options?.allowGlobalSearchMismatch) return false;
-    return (sidebarSearchQuery.value || "") !== searchFilter || isSidebarSearchQueryChanged(options);
+    return (sidebarSearchQuery.value || "") !== searchFilter;
   }
 
   function isTreeNodeChildrenLoaded(nodeId: string): boolean {
@@ -4476,7 +4477,7 @@ export const useConnectionStore = defineStore("connection", () => {
               nonTableObjectTypes,
               offset: 0,
               pageSize,
-              searchFilter: searchFilter || undefined,
+              searchFilter: options?.searchFilter === "" ? "" : searchFilter || undefined,
               force: options?.force,
             });
             children = page.hasMore && !searchFilter ? appendTableTreeLoadMoreNode(page.children, buildLoadMoreNode(node, page.nextOffset, pageSize), page.loadMoreParent) : page.children;
@@ -4614,7 +4615,7 @@ export const useConnectionStore = defineStore("connection", () => {
               objectTypes,
               offset: 0,
               pageSize: sidebarObjectGroupPageSize(),
-              searchFilter: searchFilter || undefined,
+              searchFilter: options?.searchFilter === "" ? "" : searchFilter || undefined,
               force: options?.force,
             });
             children = page.hasMore && !searchFilter ? appendTableTreeLoadMoreNode(page.children, buildLoadMoreNode(node, page.nextOffset, sidebarObjectGroupPageSize()), page.loadMoreParent) : page.children;
diff --git a/packages/app-tests/sidebarSearchTree.test.ts b/packages/app-tests/sidebarSearchTree.test.ts
index 35ec0137b2..089bd0218a 100644
--- a/packages/app-tests/sidebarSearchTree.test.ts
+++ b/packages/app-tests/sidebarSearchTree.test.ts
@@ -1,7 +1,7 @@
 import { strict as assert } from "node:assert";
 import { test } from "vitest";
-import { filterSidebarSearchRootsByConnectionState, filterSidebarTree, reuseLiveSidebarTreeNodes } from "../../apps/desktop/src/lib/sidebar/sidebarSearchTree.ts";
-import type { TreeNode } from "../../apps/desktop/src/types/database.ts";
+import { filterSidebarSearchRootsByConnectionState, filterSidebarTree, resolveSidebarObjectSearchFilter, reuseLiveSidebarTreeNodes } from "../../apps/desktop/src/lib/sidebar/sidebarSearchTree.ts";
+import type { TreeNode, TreeNodeType } from "../../apps/desktop/src/types/database.ts";
 
 test("preserves loaded table children when the table itself matches search", () => {
   const nodes: TreeNode[] = [
@@ -212,6 +212,73 @@ test("preserves loaded children when the connection itself matches search", () =
   assert.equal(filtered[0]?.children?.[0]?.children?.[0]?.label, "products");
 });
 
+test("does not treat a matching connection name as an object-name filter", () => {
+  const tablesGroup: TreeNode = {
+    id: "conn:1:basic:__tables",
+    label: "tree.tables",
+    type: "group-tables",
+    connectionId: "conn:1",
+    database: "basic",
+    isExpanded: true,
+    children: [],
+  };
+  const nodes: TreeNode[] = [
+    {
+      id: "conn:1",
+      label: "60307",
+      type: "connection",
+      connectionId: "conn:1",
+      isExpanded: true,
+      children: [
+        {
+          id: "conn:1:basic",
+          label: "basic",
+          type: "database",
+          connectionId: "conn:1",
+          database: "basic",
+          isExpanded: true,
+          children: [tablesGroup],
+        },
+      ],
+    },
+  ];
+
+  assert.equal(resolveSidebarObjectSearchFilter(nodes, tablesGroup.id, "60307"), "");
+  assert.equal(resolveSidebarObjectSearchFilter(nodes, tablesGroup.id, "orders"), "orders");
+  assert.equal(resolveSidebarObjectSearchFilter(nodes, "conn:1:basic", "basic"), "");
+});
+
+test("only lets searchable ancestor types suppress the object-name filter", () => {
+  const tablesGroup: TreeNode = {
+    id: "conn:1:basic:__tables",
+    label: "tree.tables",
+    type: "group-tables",
+    connectionId: "conn:1",
+    database: "basic",
+  };
+  const nodes: TreeNode[] = [
+    {
+      id: "conn:1",
+      label: "60307",
+      type: "connection",
+      connectionId: "conn:1",
+      children: [
+        {
+          id: "conn:1:basic",
+          label: "basic",
+          type: "database",
+          connectionId: "conn:1",
+          database: "basic",
+          children: [tablesGroup],
+        },
+      ],
+    },
+  ];
+
+  assert.equal(resolveSidebarObjectSearchFilter(nodes, tablesGroup.id, "60307", new Set<TreeNodeType>(["table"])), "60307");
+  assert.equal(resolveSidebarObjectSearchFilter(nodes, tablesGroup.id, "60307", new Set<TreeNodeType>(["connection", "table"])), "");
+});
+
 test("matches connections by host and username search aliases", () => {
   const connection: TreeNode = {
     id: "conn:1",