fieldValue = reflect.New(field.IndirectFieldType).Interface()
		relation   = &Relationship{
			Name:        field.Name,
			Field:       field,
			Schema:      schema,
			foreignKeys: toColumns(field.TagSettings["FOREIGNKEY"]),
			primaryKeys: toColumns(field.TagSettings["REFERENCES"]),
		}
	)

	if relation.FieldSchema, err = getOrParse(fieldValue, schema.cacheStore, schema.namer); err != nil {

		if len(values) >= 2 {
			settings[k] = strings.Join(values[1:], ":")
		} else if k != "" {
			settings[k] = k
		}
	}

	return settings
}

func toColumns(val string) (results []string) {
	if val != "" {
		for _, v := range strings.Split(val, ",") {
			results = append(results, strings.TrimSpace(v))
		}
	}
	return
}