fix(sidebar): avoid opening schema browser from pg database

src/components/sidebar/TreeItem.vue

@@ -76,7 +76,7 @@ import {
   supportsDatabaseCreation,
   supportsDatabaseSearch,
   supportsFieldLineage,
-  supportsObjectBrowser,
+  supportsObjectBrowserTreeNode,
   supportsSchemaDiagram,
   supportsSqlFileExecution,
   supportsTableImport,
@@ -1283,10 +1283,7 @@ const canOpenDatabaseSearch = computed(() => {
   return !!props.node.database && supportsDatabaseSearch(nodeConfig.value?.db_type);
 });
 const canOpenObjectBrowser = computed(() => {
-  return (
-    (props.node.type === "database" || props.node.type === "schema" || props.node.type === "object-browser") &&
-    supportsObjectBrowser(nodeConfig.value?.db_type)
-  );
+  return supportsObjectBrowserTreeNode(nodeConfig.value?.db_type, props.node.type);
 });
 const canOpenTableImport = computed(() => {
   return props.node.type === "table" && !!props.node.database && supportsTableImport(nodeConfig.value?.db_type);

src/lib/databaseFeatureSupport.ts

@@ -1,4 +1,4 @@
-import type { DatabaseType } from "@/types/database";
+import type { DatabaseType, TreeNodeType } from "@/types/database";
 import {
   AGENT_DRIVER_TYPES,
   CREATE_DATABASE_SUPPORTED_TYPES,
@@ -72,6 +72,12 @@ export function supportsObjectBrowser(dbType?: DatabaseType): boolean {
   return !!dbType && !["redis", "mongodb", "elasticsearch"].includes(dbType);
 }
 
+export function supportsObjectBrowserTreeNode(dbType: DatabaseType | undefined, nodeType: TreeNodeType): boolean {
+  if (!supportsObjectBrowser(dbType)) return false;
+  if (nodeType === "database" && isSchemaAware(dbType)) return false;
+  return nodeType === "database" || nodeType === "schema" || nodeType === "object-browser";
+}
+
 export function supportsTableTruncate(dbType?: DatabaseType): boolean {
   return !!dbType && dbType !== "sqlite" && dbType !== "duckdb";
 }

tests/databaseCapabilities.test.ts

@@ -9,6 +9,7 @@ import {
   supportsDriverManagement,
   supportsFieldLineage,
   supportsObjectBrowser,
+  supportsObjectBrowserTreeNode,
   supportsSchemaDiagram,
   supportsSqlFileExecution,
   supportsTableImport,
@@ -111,3 +112,10 @@ test("describes feature support through capability helpers", () => {
   assert.equal(supportsTableTruncate("mysql"), true);
   assert.equal(supportsTableTruncate("duckdb"), false);
 });
+
+test("schema-aware database nodes do not open an object browser tab", () => {
+  assert.equal(supportsObjectBrowserTreeNode("postgres", "database"), false);
+  assert.equal(supportsObjectBrowserTreeNode("postgres", "schema"), true);
+  assert.equal(supportsObjectBrowserTreeNode("mysql", "database"), true);
+  assert.equal(supportsObjectBrowserTreeNode("mongodb", "database"), false);
+});