func columns(reader decode.DecoderReader) []string {
var c []string
for _, k := range reader.Fields() {
field, ok := reflect.TypeOf(reader.Model()).FieldByName(k)
if ok != true {
fmt.Errorf("Field Not Found")
}
value := structTag(field)
if value == "" {
value = strings.ToLower(k)
}
c = append(c, value)
}
return c
}
