db can query 1 level nested dotnotation

src/db/db_test.go

@@ -46,4 +46,15 @@ func TestDB(t *testing.T) {
 	} else if gots[1].K != "b" {
 		t.Errorf("expected [1]='b' but got %q", gots[1].K)
 	}
+
+	type NestedResult struct {
+		Nest struct {
+			K string `json:"k"`
+		}
+	}
+	if got, err := db.QueryOne[NestedResult](ctx, `SELECT k AS "Nest.k" FROM test WHERE k='a'`); err != nil {
+		t.Errorf("failed nested query one: %v", err)
+	} else if got.Nest.K != "a" {
+		t.Errorf("bad nested query one: %+v", got)
+	}
 }