myrialang: when compiling, allow the caller to pass in a schema map
myrialang: when compiling, allow the caller to pass in a schema map

So that we can fill in the schemas of the scanned relations

Signed-off-by: Daniel Halperin <1a02732a15f637c31107256cbee5819e36aa7c67@cs.washington.edu>

uwescience/raco,uwescience/raco,uwescience/raco,uwescience/raco,uwescience/raco