/**
 * @file mix_cc/sql/column.h
 * @brief 列信息
 * @author Cat (null.null.null@qq.com)
 * @version 0.1
 * @date 2021-09-17
 * 
 * Copyright: Baosight Co. Ltd.
 * DO NOT COPY/USE WITHOUT PERMISSION
 * 
 */
#pragma once
#include <mix_cc/sql/public.h>
#include <mix_cc/sql/condition.h>
#include <mix_cc/sql/value.h>

namespace mix_cc {
namespace sql {
template <typename Tp, typename Name>
struct column_t {
  using name_type = Name;
  using value_type = Tp;
  name_type col_name;

  constexpr auto operator<(Tp val) {
    return condition_t(col_name, op::compare_t::lt, val);
  }

  constexpr auto operator>(Tp val) {
    return condition_t(col_name, op::compare_t::gt, val);
  }

  constexpr auto operator==(Tp val) {
    return condition_t(col_name, op::compare_t::eq, val);
  }
  constexpr auto like(Tp val) {
    return condition_t(col_name, op::compare_t::like, val);
  }

  constexpr auto operator=(Tp val) { return value_t(col_name, val); }
};

template <typename Tp, typename Name>
constexpr column_t<Tp, Name> make_column_c(Name&& col_name) {
  return column_t<Tp, Name>{col_name};
}
}  // namespace sql
}  // namespace mix_cc