c/b/b/reflection: support bigint OSInstallationRequest

Change-Id: Id677ec97f2acd8102bb0e8a5366d54db8dd53d13
Reviewed-on: https://review.monogon.dev/c/monogon/+/1604
Tested-by: Jenkins CI
Reviewed-by: Serge Bazanski <serge@monogon.tech>
diff --git a/cloud/bmaas/bmdb/reflection/reflection.go b/cloud/bmaas/bmdb/reflection/reflection.go
index 3f1b69a..5942a30 100644
--- a/cloud/bmaas/bmdb/reflection/reflection.go
+++ b/cloud/bmaas/bmdb/reflection/reflection.go
@@ -423,6 +423,13 @@
 			return fmt.Errorf("SQL type %q, but got %+v", r.Type.NativeType, src)
 		}
 		r.time = &src2
+	case "bigint":
+		src2, ok := src.(int64)
+		if !ok {
+			return fmt.Errorf("SQL type %q, but got %+v", r.Type.NativeType, src)
+		}
+		src3 := fmt.Sprintf("%d", src2)
+		r.text = &src3
 	default:
 		return fmt.Errorf("unimplemented SQL type %q", r.Type.NativeType)
 	}