fix: error when a function returns RECORD or SETOF RECORD

test/spec/Feature/Query/RpcSpec.hs

@@ -475,6 +475,27 @@ spec actualPgVersion =
           `shouldRespondWith`
             [json|null|]
 
+      when (actualPgVersion >= pgVersion110) $ do
+        it "returns a record type" $ do
+          post "/rpc/returns_record"
+            ""
+           `shouldRespondWith`
+            [json|{"id":1,"name":"Windows 7","client_id":1}|]
+          post "/rpc/returns_record_params"
+            [json|{"id":1, "name": "Windows%"}|]
+           `shouldRespondWith`
+            [json|{"id":1,"name":"Windows 7","client_id":1}|]
+
+        it "returns a setof record type" $ do
+          post "/rpc/returns_setof_record"
+            ""
+           `shouldRespondWith`
+            [json|[{"id":1,"name":"Windows 7","client_id":1},{"id":2,"name":"Windows 10","client_id":1}]|]
+          post "/rpc/returns_setof_record_params"
+            [json|{"id":1,"name":"Windows%"}|]
+           `shouldRespondWith`
+            [json|[{"id":1,"name":"Windows 7","client_id":1},{"id":2,"name":"Windows 10","client_id":1}]|]
+
       context "different types when overloaded" $ do
         it "returns composite type" $
           post "/rpc/ret_point_overloaded"

test/spec/fixtures/schema.sql

@@ -3352,3 +3352,19 @@ create or replace function bit_param_insert(bit_ bit(4), bit_arr bit(4)[])
 returns void as $$
 insert into bitchar_with_length(bit, bit_arr) values($1, $2);
 $$ language sql;
+
+create function returns_record() returns record as $$
+select * from projects limit 1;
+$$ language sql;
+
+create function returns_record_params(id int, name text) returns record as $$
+select * from projects p where p.id = $1 and p.name like $2;
+$$ language sql;
+
+create function returns_setof_record() returns setof record as $$
+select * from projects limit 2;
+$$ language sql;
+
+create function returns_setof_record_params(id int, name text) returns setof record as $$
+select * from projects p where p.id >= $1 and p.name like $2;
+$$ language sql;