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,
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