added test with more rows, primary key, and true/false groups

Author: angelamayxie

enginetest/queries/order_by_group_by_queries.go

@@ -326,11 +326,23 @@ var OrderByGroupByScriptTests = []ScriptTest{
 		SetUpScript: []string{
 			"create table t0(c0 int, c1 int)",
 			"insert into t0(c0, c1) values(NULL,1),(1,NULL)",
+			"create table t1(id int primary key, c0 int, c1 int)",
+			"insert into t1(id, c0, c1) values(1,NULL,NULL),(2,1,1),(3,1,NULL),(4,2,1),(5,NULL,1)",
 		},
 		Assertions: []ScriptTestAssertion{
 			{
-				Query:    "select t0.c0 = t0.c1 as ref0, sum(1) as ref1 from t0 group by ref0",
-				Expected: []sql.Row{{nil, float64(2)}},
+				Query: "select t0.c0 = t0.c1 as ref0, sum(1) as ref1 from t0 group by ref0",
+				Expected: []sql.Row{
+					{nil, float64(2)},
+				},
+			},
+			{
+				Query: "select t1.c0 = t1.c1 as ref0, sum(1) as ref1 from t1 group by ref0",
+				Expected: []sql.Row{
+					{nil, float64(3)},
+					{true, float64(1)},
+					{false, float64(1)},
+				},
 			},
 		},
 	},