writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminConfigBadJSON, err), r.URL)
		return
	}

	if err := updateReq.Validate(); err != nil {
		// Since this validation would happen client side as well, we only send
		// a generic error message here.
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminResourceInvalidArgument), r.URL)
		return
	}

		t.Fatalf("Got error when tried to create index: %+v", err)
	}

	if err := DB.Migrator().RenameIndex(&IndexStruct{}, "idx_index_structs_name", "idx_users_name_1"); err != nil {
		t.Fatalf("no error should happen when rename index, but got %v", err)
	}

	if !DB.Migrator().HasIndex(&IndexStruct{}, "idx_users_name_1") {
		t.Fatalf("Should find index for user's name after rename")
	}

		t.Errorf("No error should returns, but got %v", err)
	}

	AssertEqual(t, p, p2)

	if err := DB.First(&p, "id = ?", p2.ID).Error; err != nil {
		t.Errorf("No error should happen when querying with customized type for primary key, got err %v", err)
	}

	AssertEqual(t, p, p2)
}

func TestStringPrimaryKeyForNumericValueStartingWithZero(t *testing.T) {
	type AddressByZipCode struct {

	atTotal := uint64(0)
	for _, pool := range serverPools {
		atTotal += pool.Available
		if atTotal > choose && pool.Available > 0 {
			return pool.Index
		}
	}
	// Should not happen, but print values just in case.
	storageLogIf(ctx, fmt.Errorf("reached end of serverPools (total: %v, atTotal: %v, choose: %v)", total, atTotal, choose))
	return -1
}

		cache.iamUserPolicyMap.Range(func(u string, mp MappedPolicy) bool {
			pset := mp.policySet()
			if store.getUsersSysType() == MinIOUsersSysType {
				if _, ok := cache.iamUsersMap[u]; !ok {
					// This case can happen when a temporary account is
					// deleted or expired - remove it from userPolicyMap.
					cache.iamUserPolicyMap.Delete(u)
					return true
				}
			}
			if pset.Contains(policy) {