dbplus_rquery() performs a local (raw) AQL
query using an AQL interpreter embedded into the db++ client
library. dbplus_rquery() is faster than
dbplus_aql() but will work on local data only.
This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function at your own risk.