feat(doris): show external catalogs in sidebar

apps/desktop/src/lib/database/databaseFeatureSupport.ts

@@ -1,4 +1,4 @@
-import type { DatabaseType, TreeNodeType } from "@/types/database";
+import type { ConnectionConfig, DatabaseType, TreeNodeType } from "@/types/database";
 import { supportsDatabaseFeature } from "@/lib/database/databaseDriverManifest";
 import { canEditTableStructure } from "@/lib/table/tableStructureCapabilities";
 import { DATABASE_OBJECT_TREE_TYPES, FETCH_FIRST_TYPES, PG_LIKE_STRUCTURE_TYPES, SCHEMA_AWARE_TYPES, SINGLE_DATABASE_TYPES, TREE_SCHEMA_TYPES } from "@/lib/database/databaseCapabilitySets";
@@ -7,6 +7,35 @@ export function isSchemaAware(dbType?: DatabaseType): boolean {
   return !!dbType && SCHEMA_AWARE_TYPES.has(dbType);
 }
 
+/**
+ * Doris-family engines that support multi-catalog federation (`SHOW CATALOGS`):
+ * Doris (incl. SelectDB) and StarRocks. Manticore Search shares the MySQL code
+ * path but has no catalog concept, so it is excluded.
+ */
+export function isDorisFamilyCatalogCapable(dbType?: DatabaseType, driverProfile?: string | null): boolean {
+  if (dbType === "doris" || dbType === "starrocks") return true;
+  return driverProfile === "doris" || driverProfile === "selectdb" || driverProfile === "starrocks";
+}
+
+export function connectionIsDorisFamilyCatalogCapable(connection: Pick<ConnectionConfig, "db_type" | "driver_profile"> | undefined): boolean {
+  if (!connection) return false;
+  return isDorisFamilyCatalogCapable(connection.db_type, connection.driver_profile);
+}
+
+/**
+ * Whether a Doris/StarRocks catalog is the engine's built-in (non-federated)
+ * catalog. Doris names it `internal` (Type=`internal`); StarRocks names it
+ * `default_catalog` (Type=`Internal`). The `catalogType` column is the
+ * cross-engine signal, so it is matched case-insensitively, falling back to the
+ * canonical Doris name `internal` when the type is absent (very old / proxied
+ * deployments). Mirrors `CatalogInfo::is_internal` on the backend.
+ */
+export function isInternalDorisCatalog(catalogType?: string | null, catalogName?: string | null): boolean {
+  const type = (catalogType ?? "").trim().toLowerCase();
+  if (type) return type === "internal";
+  return (catalogName ?? "").trim() === "internal";
+}
+
 export function usesTreeSchemaMode(dbType?: DatabaseType): boolean {
   return !!dbType && TREE_SCHEMA_TYPES.has(dbType);
 }