{Name: "Name", DBName: "", BindNames: []string{"Name"}, DataType: "", Tag: `gorm:"-"`, Creatable: false, Updatable: false, Readable: false},
		{Name: "Name2", DBName: "name2", BindNames: []string{"Name2"}, DataType: schema.String, Tag: `gorm:"->"`, Creatable: false, Updatable: false, Readable: true},

					Tag: `gorm:"primarykey"`, Creatable: true, Updatable: true, Readable: true, PrimaryKey: true, Size: 64,
				},
				{
					Name: "LanguageCode", DBName: "language_code", BindNames: []string{"LanguageCode"}, DataType: schema.String,
					Tag: `gorm:"primarykey"`, Creatable: true, Updatable: true, Readable: true, PrimaryKey: true,
				},
			}},

		val = strings.ToLower(strings.TrimSpace(val))
		switch val {
		case "-":
			field.Creatable = false
			field.Updatable = false
			field.Readable = false
			field.DataType = ""
		case "all":
			field.Creatable = false
			field.Updatable = false
			field.Readable = false
			field.DataType = ""
			field.IgnoreMigration = true
		case "migration":
			field.IgnoreMigration = true

		bindName := field.BindName()
		if field.DBName != "" {
			// nonexistence or shortest path or first appear prioritized if has permission
			if v, ok := schema.FieldsByDBName[field.DBName]; !ok || ((field.Creatable || field.Updatable || field.Readable) && len(field.BindNames) < len(v.BindNames)) {
				if _, ok := schema.FieldsByDBName[field.DBName]; !ok {
					schema.DBNames = append(schema.DBNames, field.DBName)
				}

		if !ok {
			t.Errorf("schema %v failed to look up field with name %v", s, f.Name)
		} else {
			tests.AssertObjEqual(t, parsedField, f, "Name", "DBName", "BindNames", "DataType", "PrimaryKey", "AutoIncrement", "Creatable", "Updatable", "Readable", "HasDefaultValue", "DefaultValue", "NotNull", "Unique", "Comment", "Size", "Precision", "TagSettings")

			if f.DBName != "" {
				if field, ok := s.FieldsByDBName[f.DBName]; !ok || parsedField != field {

									value = stmt.DB.NowFunc().Unix()
								} else {
									value = stmt.DB.NowFunc()
								}
								isZero = false
							}

							if (ok || !isZero) && field.Updatable {
								set = append(set, clause.Assignment{Column: clause.Column{Name: field.DBName}, Value: value})
								assignField := field
								if isDiffSchema {

		}
	} else {
		relation.JoinTable.Relationships.Relations[relRefName].References = []*Reference{}
	}

	// build references
	for _, f := range relation.JoinTable.Fields {
		if f.Creatable || f.Readable || f.Updatable {
			// use same data type for foreign keys
			if copyableDataType(fieldsMap[f.Name].DataType) {
				f.DataType = fieldsMap[f.Name].DataType
			}
			f.GORMDataType = fieldsMap[f.Name].GORMDataType

			name := field.DBName
			if name == "" {
				name = field.Name
			}

			if requireCreate && !field.Creatable {
				results[name] = false
			} else if requireUpdate && !field.Updatable {
				results[name] = false
			}
		}
	}

	return results, !notRestricted && len(stmt.Selects) > 0