Different behaviour of enum when using it as a value in the body and when using it as a query parameter

[carolinepetrova]

Hi, I am defining my enum the following way:

// ENUM(val1, val2, val3).
type BankAccountType uint8

I use go-enum to generate the boilerplate code e.g.

const (
	BankAccountTypeVal1 BankAccountType = iota
	BankAccountTypeVal2
        BankAccountTypeVal3
)

and I have it as a value in the body of a POST request:

type Request struct {
	Body CreateReqBody
}

type CreateReqBody struct {
	...
	Type             BankAccountType   `json:"bank_account_type"`
         ...
}

and I have a GET request where I want to use it as a query parameter:

type Request struct {
	BankAccountType BankAccountType `query:"bank_account_type"`
         ...
}

When I run a POST request with a body like {"bank_account_type": "val1"} everything works as expected and the correct value of the enum is binded to BankAccountTypeVal1

however my GET request which is like /?bank_account_type="val1" fails with error

          {
              Message: "invalid integer",
              Location: "query.bank_account_type",
              Value: <string>"val1",
          },

Why is the different behaviour? How can I make it work?