// literal to evaluate the arguments at the right time.
	//    defer func() func() {
	//            _cgo0 := p
	//            return func() {
	//                    _cgoCheckPointer(_cgo0, nil)
	//                    C.f(_cgo0)
	//            }
	//    }()()
	// This works because the defer statement evaluates the first
	// function literal in order to get the function to call.

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrLexerInvalidOperator: {
		Code:           "LexerInvalidOperator",
		Description:    "The SQL expression contains an invalid literal.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrLexerInvalidLiteral: {
		Code:           "LexerInvalidLiteral",
		Description:    "The SQL expression contains an invalid operator.",

		return
	}

	etag := getDecryptedETag(formValues, objInfo, false)

	// We must not use the http.Header().Set method here because some (broken)
	// clients expect the ETag header key to be literally "ETag" - not "Etag" (case-sensitive).
	// Therefore, we have to set the ETag directly as map entry.
	w.Header()[xhttp.ETag] = []string{`"` + etag + `"`}

	// Set the relevant version ID as part of the response header.