def edm_to_ruby_type(edm_type)
    return String if edm_type =~ /Edm.String/
    return Fixnum if edm_type =~ /^Edm.Int/
    return Float if edm_type =~ /Edm.Decimal/
    return Time if edm_type =~ /Edm.DateTime/
    return String
  end
def edm_to_ruby_type(edm_type)
    return String if edm_type =~ /Edm.String/
    return Fixnum if edm_type =~ /^Edm.Int/
    return Float if edm_type =~ /Edm.Decimal/
    return Time if edm_type =~ /Edm.DateTime/
    return String
  end
Converts an edm type (string) to a ruby type