Add test

sqlite3_test.go

@@ -1670,6 +1670,26 @@ func TestAuthorizer(t *testing.T) {
 	}
 }
 
+func TestNonColumnString(t *testing.T) {
+	db, err := sql.Open("sqlite3", ":memory:")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer db.Close()
+
+	var x interface{}
+	if err := db.QueryRow("SELECT 'hello'").Scan(&x); err != nil {
+		t.Fatal(err)
+	}
+	s, ok := x.(string)
+	if !ok {
+		t.Fatal("non-column string must return string")
+	}
+	if s != "hello" {
+		t.Fatalf("non-column string must return %q but got %q", "hello", s)
+	}
+}
+
 func TestNilAndEmptyBytes(t *testing.T) {
 	db, err := sql.Open("sqlite3", ":memory:")
 	if err != nil {