feat(query): show database server messages in query results

apps/desktop/src/lib/query/queryResultDefaultView.ts

@@ -0,0 +1,12 @@
+import type { QueryResult } from "@/types/database";
+
+/**
+ * Picks the default output view for a result that has no result set.
+ * Message-only results (e.g. PostgreSQL `DO $$ RAISE NOTICE $$`) open the
+ * messages view; routine DML like a MySQL INSERT also carries an INFO message
+ * ("Records: N ...") but keeps the established summary view.
+ */
+export function defaultViewForResult(result: Pick<QueryResult, "columns" | "rows" | "affected_rows" | "messages">): "messages" | "summary" {
+  const messageOnly = result.columns.length === 0 && result.rows.length === 0 && result.affected_rows === 0 && (result.messages?.length ?? 0) > 0;
+  return messageOnly ? "messages" : "summary";
+}