Github user cestella commented on the issue:
https://github.com/apache/metron/pull/687
@nickwallen Yes, you are absolutely correct. Right now we do not have an
approach to take a list of stellar expressions that are assignments, a variable
resolver, a function resolver and execute that list of statements in a way that
variables are updated. At the time we punted on it due to limitations in the
VariableResolver to update (also, it's not clear how to do that generally or
even specifically in all circumstances). All that being said, it might be nice
to add a method to do that in `StellarAssignment` that presumes variable
containers are maps.
Anyway, that aside, this PR seems to not *force* that change since it's
really just moving variable assignment into the language and not updating the
resolver explicitly. I'd suggest we tackle that as a follow-on and make a
stellar-generic approach to update variable resolvers with new variables.
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