diff --git a/db/fetch.go b/db/fetch.go
index 7822b595..301bef78 100644
--- a/db/fetch.go
+++ b/db/fetch.go
@@ -46,8 +46,24 @@ func (e *executor) fetch(ctx context.Context, val interface{}, doc *data.Doc) (o
 		return val.VA, nil
 	case int:
 		return float64(val), nil
+	case int8:
+		return float64(val), nil
+	case int16:
+		return float64(val), nil
+	case int32:
+		return float64(val), nil
 	case int64:
 		return float64(val), nil
+	case uint:
+		return float64(val), nil
+	case uint16:
+		return float64(val), nil
+	case uint32:
+		return float64(val), nil
+	case uint64:
+		return float64(val), nil
+	case float32:
+		return float64(val), nil
 	case float64:
 		return float64(val), nil
 	case []interface{}: