Fix non-rewritten tuple literals (#6521)

edb/pgsql/compiler/dml.py

@@ -964,6 +964,7 @@ def process_insert_rewrites(
             val = pathctx.get_path_var(
                 rew_stmt, e.path_id, aspect='value', env=ctx.env
             )
+            val = output.output_as_value(val, env=ctx.env)
             rew_stmt.target_list.append(pgast.ResTarget(
                 name=ptr_info.column_name, val=val))
 

tests/test_edgeql_rewrites.py

@@ -1047,3 +1047,30 @@ class TestRewrites(tb.QueryTestCase):
             'select Foo { will_be_true }',
             [{'will_be_true': True}]
         )
+
+    async def test_edgeql_rewrites_28(self):
+        await self.con.execute(
+            '''
+            create type Address {
+                create property coordinates: tuple<lat: float32, lng: float32>;
+                create property updated_at: str {
+                    create rewrite insert using ('now')
+                };
+            };
+            insert Address {
+                coordinates := (
+                    lat := <std::float32>40.07987,
+                    lng := <std::float32>20.56509
+                )
+            };
+            '''
+        )
+        await self.assert_query_result(
+            'select Address { coordinates, updated_at }',
+            [
+                {
+                    'coordinates': {'lat': 40.07987, 'lng': 20.56509},
+                    'updated_at': 'now'
+                }
+            ]
+        )