simple group by test

diff --git a/t/expr-helpers.t b/t/expr-helpers.t
index 79ee600..76fc0ba 100644 (file)
--- a/t/expr-helpers.t
+++ b/t/expr-helpers.t
@@ -58,3 +58,11 @@ dq_sql_is
   ['SELECT * FROM foo WHERE x = ?', binding(1)],
   'simple select with where and bind';
 
+dq_sql_is
+  Group (
+    [ Identifier('x') ],
+    Select([ Identifier('*') ], Identifier('foo')),
+  ),
+  ['SELECT * FROM foo GROUP BY x'],
+  'simple group by';
+