Thanks for your clarification. I think the root reason is hidden variables
that generated by policy engine.
*error(id) :- cinder:volumes(id=id), not avail_cinder_vol(id)*
*avail_cinder_vol(id) :- cinder:volumes(id=id, status=available)*
It's a good idea, keep the rules simple and readable.
It
Hi Rui,
The problem with the following rule is that there are a bunch of hidden
variables in the not cinder:volumes(...) literal. The error message
shows the hidden variables. The syntax restriction is that every variable
in a negative literal must appear in a positive literal in the body.
Hi folks:
I face a problem when I insert a rule into Congress. I want to find out
all of the volumes that are not available status, so I draft a rule like
this:
error(id) :- cinder:volumes(id=id), not cinder:volumes(id=id,
status=available)
But when I create the rule, a error is
Sorry, send the same mail again, please comments at here, the other mail
lack title.
2015-08-14 11:03 GMT+08:00 Rui Chen chenrui.m...@gmail.com:
Hi folks:
I face a problem when I insert a rule into Congress. I want to find
out all of the volumes that are not available status, so I draft
