diff --git a/enginetest/evaluation.go b/enginetest/evaluation.go
index f1ceaed6cf..96bb0f109e 100644
--- a/enginetest/evaluation.go
+++ b/enginetest/evaluation.go
@@ -866,16 +866,18 @@ func checkResultsDefault(t *testing.T, ctx *sql.Context, expected []sql.Row, exp
 }
 
 type resultSchemaCol struct {
-	Name string
-	Type querypb.Type
+	Name     string
+	Type     querypb.Type
+	Nullable bool
 }
 
 func simplifyResultSchema(s sql.Schema) []resultSchemaCol {
 	fields := make([]resultSchemaCol, len(s))
 	for i, c := range s {
 		fields[i] = resultSchemaCol{
-			Name: c.Name,
-			Type: c.Type.Type(),
+			Name:     c.Name,
+			Type:     c.Type.Type(),
+			Nullable: c.Nullable,
 		}
 	}
 	return fields
diff --git a/enginetest/queries/queries.go b/enginetest/queries/queries.go
index 186d7ad058..6b1dcfb4dc 100644
--- a/enginetest/queries/queries.go
+++ b/enginetest/queries/queries.go
@@ -1072,6 +1072,17 @@ var QueryTests = []QueryTest{
 		Query:    "select sum(1) from emptytable",
 		Expected: []sql.Row{{nil}},
 	},
+	{
+		Query:    "select sum(1) as s from emptytable",
+		Expected: []sql.Row{{nil}},
+		ExpectedColumns: sql.Schema{
+			{
+				Name:     "s",
+				Type:     types.Float64,
+				Nullable: true,
+			},
+		},
+	},
 	{
 		Query:    "select * from (select count(*) from xy) dt",
 		Expected: []sql.Row{{4}},