Oracle already supports named bind arguments, so use directly.
Return a hash with the same values as the given hash, but with the keys converted to strings.
[Source]
# File lib/sequel/adapters/oracle.rb, line 293 293: def map_to_prepared_args(bind_vars) 294: prepared_args.map{|v, t| [bind_vars[v], t]} 295: end
[Validate]