diff --git a/entc/integration/ent/migrate/schema.go b/entc/integration/ent/migrate/schema.go
index 8b6988a1f..63617b0f6 100644
--- a/entc/integration/ent/migrate/schema.go
+++ b/entc/integration/ent/migrate/schema.go
@@ -133,6 +133,11 @@ var (
 				Unique:  true,
 				Columns: []*schema.Column{FilesColumns[2], FilesColumns[3]},
 			},
+			{
+				Name:    "owner_id_type_id",
+				Unique:  false,
+				Columns: []*schema.Column{FilesColumns[7], FilesColumns[5]},
+			},
 			{
 				Name:    "name_owner_id_type_id",
 				Unique:  true,
diff --git a/entc/integration/ent/schema/file.go b/entc/integration/ent/schema/file.go
index 8f59a2f05..c2f34eeb6 100644
--- a/entc/integration/ent/schema/file.go
+++ b/entc/integration/ent/schema/file.go
@@ -54,6 +54,8 @@ func (File) Indexes() []ent.Index {
 		// unique index prevents duplicates records.
 		index.Fields("name", "user").
 			Unique(),
+		// index on edges only.
+		index.Edges("owner", "type"),
 		// unique index under the "owner" sub-tree.
 		// user/owner can't have files with duplicate names.
 		index.Fields("name").