complement in security label expression?

2012-09-01 Thread Rob Nichols
What I understand from the documentation for 1.4 is that the security label expressions support AND, OR, and Grouping, but do not support NOT. Is this planned for a future release? Would there be opposition to adding complement to the expressions? Our use case involves a hierarchy of roles,

Re: complement in security label expression?

2012-09-01 Thread Adam Fuchs
Hi Rob, I think that a complement operator would fit naturally into Accumulo's cell-level security mechanism. The computation wouldn't be any harder, and the language wouldn't be significantly more complex. This would be a great project for you to take on. Please let us know if you need any