Hello I would like to ask about the usage of "lft" and "rgt" fields in the Tags table. Also, how for a particular tag, values are assigned to them? Thank you. ᐧ -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.kde.org/pipermail/digikam-devel/attachments/20160603/93e03e4a/attachment.html>