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mirror of https://github.com/rbock/sqlpp11.git synced 2024-11-15 20:31:16 +08:00

Renamed date/date_time to day_point/time_point

This commit is contained in:
rbock 2015-10-29 16:41:45 +01:00
parent 5e83929555
commit 84ab264702
11 changed files with 146 additions and 145 deletions

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@ -28,8 +28,8 @@
#define SQLPP_COLUMN_TYPES_H
#include <sqlpp11/boolean.h>
#include <sqlpp11/date.h>
#include <sqlpp11/date_time.h>
#include <sqlpp11/day_point.h>
#include <sqlpp11/time_point.h>
#include <sqlpp11/integral.h>
#include <sqlpp11/floating_point.h>
#include <sqlpp11/text.h>

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@ -39,8 +39,8 @@ namespace sqlpp
using mus_point = std::chrono::time_point<std::chrono::system_clock, std::chrono::microseconds>;
}
struct date;
struct date_time;
struct day_point;
struct time_point;
}
#endif

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@ -24,11 +24,11 @@
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SQLPP_DATE_H
#define SQLPP_DATE_H
#ifndef SQLPP_DAY_POINT_H
#define SQLPP_DAY_POINT_H
#include <date.h>
#include <sqlpp11/date_time.h>
#include <sqlpp11/time_point.h>
#include <sqlpp11/basic_expression_operators.h>
#include <sqlpp11/type_traits.h>
#include <sqlpp11/exception.h>
@ -38,10 +38,10 @@
namespace sqlpp
{
// date value type
struct date
// day_point value type
struct day_point
{
using _traits = make_traits<date, tag::is_value_type>;
using _traits = make_traits<day_point, tag::is_value_type>;
using _tag = tag::is_date;
using _cpp_value_type = ::sqlpp::chrono::day_point;
@ -51,11 +51,11 @@ namespace sqlpp
using _is_valid_assignment_operand = is_date_t<T>;
};
// date parameter value
// day_point parameter value
template <>
struct parameter_value_t<date>
struct parameter_value_t<day_point>
{
using _value_type = date;
using _value_type = day_point;
using _cpp_value_type = typename _value_type::_cpp_value_type;
parameter_value_t() : _value{}, _is_null(true)
@ -120,28 +120,29 @@ namespace sqlpp
bool _is_null;
};
// date expression operators
// day_point expression operators
template <typename Base>
struct expression_operators<Base, date> : public basic_expression_operators<Base, date>
struct expression_operators<Base, day_point> : public basic_expression_operators<Base, day_point>
{
template <typename T>
using _is_valid_operand = is_valid_operand<date, T>;
using _is_valid_operand = is_valid_operand<day_point, T>;
};
// date column operators
// day_point column operators
template <typename Base>
struct column_operators<Base, date>
struct column_operators<Base, day_point>
{
template <typename T>
using _is_valid_operand = is_valid_operand<date, T>;
using _is_valid_operand = is_valid_operand<day_point, T>;
};
// date result field
// day_point result field
template <typename Db, typename FieldSpec>
struct result_field_t<date, Db, FieldSpec> : public result_field_methods_t<result_field_t<date, Db, FieldSpec>>
struct result_field_t<day_point, Db, FieldSpec>
: public result_field_methods_t<result_field_t<day_point, Db, FieldSpec>>
{
static_assert(std::is_same<value_type_of<FieldSpec>, date>::value, "field type mismatch");
using _cpp_value_type = typename sqlpp::date::_cpp_value_type;
static_assert(std::is_same<value_type_of<FieldSpec>, day_point>::value, "field type mismatch");
using _cpp_value_type = typename sqlpp::day_point::_cpp_value_type;
result_field_t() : _is_valid(false), _is_null(true), _value{}
{
@ -206,10 +207,10 @@ namespace sqlpp
};
template <typename Context, typename Db, typename FieldSpec>
struct serializer_t<Context, result_field_t<date, Db, FieldSpec>>
struct serializer_t<Context, result_field_t<day_point, Db, FieldSpec>>
{
using _serialize_check = consistent_t;
using T = result_field_t<date, Db, FieldSpec>;
using T = result_field_t<day_point, Db, FieldSpec>;
static Context& _(const T& t, Context& context)
{
@ -227,7 +228,7 @@ namespace sqlpp
};
template <typename Db, typename FieldSpec>
inline std::ostream& operator<<(std::ostream& os, const result_field_t<date, Db, FieldSpec>& e)
inline std::ostream& operator<<(std::ostream& os, const result_field_t<day_point, Db, FieldSpec>& e)
{
return serialize(e, os);
}

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@ -24,8 +24,8 @@
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SQLPP_DATE_TIME_H
#define SQLPP_DATE_TIME_H
#ifndef SQLPP_TIME_POINT_H
#define SQLPP_TIME_POINT_H
#include <sqlpp11/date_time_fwd.h>
#include <sqlpp11/basic_expression_operators.h>
@ -37,10 +37,10 @@
namespace sqlpp
{
// date_time value type
struct date_time
// time_point value type
struct time_point
{
using _traits = make_traits<date_time, tag::is_value_type>;
using _traits = make_traits<time_point, tag::is_value_type>;
using _tag = tag::is_date_time;
using _cpp_value_type = ::sqlpp::chrono::mus_point;
@ -48,11 +48,11 @@ namespace sqlpp
using _is_valid_operand = is_time_point_t<T>;
};
// date_time parameter value
// time_point parameter value
template <>
struct parameter_value_t<date_time>
struct parameter_value_t<time_point>
{
using _value_type = date_time;
using _value_type = time_point;
using _cpp_value_type = typename _value_type::_cpp_value_type;
parameter_value_t() : _value{}, _is_null(true)
@ -117,29 +117,29 @@ namespace sqlpp
bool _is_null;
};
// date_time expression operators
// time_point expression operators
template <typename Base>
struct expression_operators<Base, date_time> : public basic_expression_operators<Base, date_time>
struct expression_operators<Base, time_point> : public basic_expression_operators<Base, time_point>
{
template <typename T>
using _is_valid_operand = is_valid_operand<date_time, T>;
using _is_valid_operand = is_valid_operand<time_point, T>;
};
// date_time column operators
// time_point column operators
template <typename Base>
struct column_operators<Base, date_time>
struct column_operators<Base, time_point>
{
template <typename T>
using _is_valid_operand = is_valid_operand<date_time, T>;
using _is_valid_operand = is_valid_operand<time_point, T>;
};
// date_time result field
// time_point result field
template <typename Db, typename FieldSpec>
struct result_field_t<date_time, Db, FieldSpec>
: public result_field_methods_t<result_field_t<date_time, Db, FieldSpec>>
struct result_field_t<time_point, Db, FieldSpec>
: public result_field_methods_t<result_field_t<time_point, Db, FieldSpec>>
{
static_assert(std::is_same<value_type_of<FieldSpec>, date_time>::value, "field type mismatch");
using _cpp_value_type = typename date_time::_cpp_value_type;
static_assert(std::is_same<value_type_of<FieldSpec>, time_point>::value, "field type mismatch");
using _cpp_value_type = typename time_point::_cpp_value_type;
result_field_t() : _is_valid(false), _is_null(true), _value{}
{
@ -204,10 +204,10 @@ namespace sqlpp
};
template <typename Context, typename Db, typename FieldSpec>
struct serializer_t<Context, result_field_t<date_time, Db, FieldSpec>>
struct serializer_t<Context, result_field_t<time_point, Db, FieldSpec>>
{
using _serialize_check = consistent_t;
using T = result_field_t<date_time, Db, FieldSpec>;
using T = result_field_t<time_point, Db, FieldSpec>;
static Context& _(const T& t, Context& context)
{
@ -227,7 +227,7 @@ namespace sqlpp
};
template <typename Db, typename FieldSpec>
inline std::ostream& operator<<(std::ostream& os, const result_field_t<date_time, Db, FieldSpec>& e)
inline std::ostream& operator<<(std::ostream& os, const result_field_t<time_point, Db, FieldSpec>& e)
{
return serialize(e, os);
}

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@ -85,27 +85,27 @@ namespace sqlpp
}
};
struct date_operand : public alias_operators<date_operand>
struct day_point_operand : public alias_operators<day_point_operand>
{
using _traits = make_traits<date, tag::is_expression, tag::is_wrapped_value>;
using _traits = make_traits<day_point, tag::is_expression, tag::is_wrapped_value>;
using _nodes = detail::type_vector<>;
using _is_aggregate_expression = std::true_type;
using _value_t = ::sqlpp::chrono::day_point;
date_operand() : _t{}
day_point_operand() : _t{}
{
}
date_operand(_value_t t) : _t(t)
day_point_operand(_value_t t) : _t(t)
{
}
date_operand(const date_operand&) = default;
date_operand(date_operand&&) = default;
date_operand& operator=(const date_operand&) = default;
date_operand& operator=(date_operand&&) = default;
~date_operand() = default;
day_point_operand(const day_point_operand&) = default;
day_point_operand(day_point_operand&&) = default;
day_point_operand& operator=(const day_point_operand&) = default;
day_point_operand& operator=(day_point_operand&&) = default;
~day_point_operand() = default;
bool _is_trivial() const
{
@ -116,10 +116,10 @@ namespace sqlpp
};
template <typename Context>
struct serializer_t<Context, date_operand>
struct serializer_t<Context, day_point_operand>
{
using _serialize_check = consistent_t;
using Operand = date_operand;
using Operand = day_point_operand;
static Context& _(const Operand& t, Context& context)
{
@ -130,27 +130,27 @@ namespace sqlpp
};
template <typename Period>
struct date_time_operand : public alias_operators<date_time_operand<Period>>
struct time_point_operand : public alias_operators<time_point_operand<Period>>
{
using _traits = make_traits<date_time, tag::is_expression, tag::is_wrapped_value>;
using _traits = make_traits<time_point, tag::is_expression, tag::is_wrapped_value>;
using _nodes = detail::type_vector<>;
using _is_aggregate_expression = std::true_type;
using _value_t = std::chrono::time_point<std::chrono::system_clock, Period>;
date_time_operand() : _t{}
time_point_operand() : _t{}
{
}
date_time_operand(_value_t t) : _t(t)
time_point_operand(_value_t t) : _t(t)
{
}
date_time_operand(const date_time_operand&) = default;
date_time_operand(date_time_operand&&) = default;
date_time_operand& operator=(const date_time_operand&) = default;
date_time_operand& operator=(date_time_operand&&) = default;
~date_time_operand() = default;
time_point_operand(const time_point_operand&) = default;
time_point_operand(time_point_operand&&) = default;
time_point_operand& operator=(const time_point_operand&) = default;
time_point_operand& operator=(time_point_operand&&) = default;
~time_point_operand() = default;
bool _is_trivial() const
{
@ -161,10 +161,10 @@ namespace sqlpp
};
template <typename Context, typename Period>
struct serializer_t<Context, date_time_operand<Period>>
struct serializer_t<Context, time_point_operand<Period>>
{
using _serialize_check = consistent_t;
using Operand = date_time_operand<Period>;
using Operand = time_point_operand<Period>;
static Context& _(const Operand& t, Context& context)
{
@ -320,13 +320,13 @@ namespace sqlpp
template <typename Period>
struct wrap_operand<std::chrono::time_point<std::chrono::system_clock, Period>, void>
{
using type = date_time_operand<Period>;
using type = time_point_operand<Period>;
};
template <>
struct wrap_operand<std::chrono::time_point<std::chrono::system_clock, sqlpp::chrono::days>, void>
{
using type = date_operand;
using type = day_point_operand;
};
template <typename T>

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@ -101,8 +101,8 @@ types = {
'boolean': 'boolean',
'double': 'floating_point',
'float': 'floating_point',
'date' : 'date',
'datetime' : 'date_time',
'date' : 'day_point',
'datetime' : 'time_point',
}
# PROCESS DDL

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@ -98,49 +98,49 @@ namespace test
};
using _traits = sqlpp::make_traits<sqlpp::boolean, sqlpp::tag::can_be_null>;
};
struct SomeDate
struct SomeDayPoint
{
struct _alias_t
{
static constexpr const char _literal[] = "some_date";
static constexpr const char _literal[] = "some_day_point";
using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
template <typename T>
struct _member_t
{
T someDate;
T someDayPoint;
T& operator()()
{
return someDate;
return someDayPoint;
}
const T& operator()() const
{
return someDate;
return someDayPoint;
}
};
};
using _traits = sqlpp::make_traits<sqlpp::date, sqlpp::tag::can_be_null>;
using _traits = sqlpp::make_traits<sqlpp::day_point, sqlpp::tag::can_be_null>;
};
struct SomeDateTime
struct SomeTimePoint
{
struct _alias_t
{
static constexpr const char _literal[] = "some_date_time";
static constexpr const char _literal[] = "some_time_point";
using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
template <typename T>
struct _member_t
{
T someDateTime;
T someTimePoint;
T& operator()()
{
return someDateTime;
return someTimePoint;
}
const T& operator()() const
{
return someDateTime;
return someTimePoint;
}
};
};
using _traits = sqlpp::make_traits<sqlpp::date_time, sqlpp::tag::can_be_null>;
using _traits = sqlpp::make_traits<sqlpp::time_point, sqlpp::tag::can_be_null>;
};
struct OtherInt
{
@ -208,49 +208,49 @@ namespace test
};
using _traits = sqlpp::make_traits<sqlpp::boolean, sqlpp::tag::can_be_null>;
};
struct OtherDate
struct OtherDayPoint
{
struct _alias_t
{
static constexpr const char _literal[] = "other_date";
static constexpr const char _literal[] = "other_day_point";
using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
template <typename T>
struct _member_t
{
T otherDate;
T otherDayPoint;
T& operator()()
{
return otherDate;
return otherDayPoint;
}
const T& operator()() const
{
return otherDate;
return otherDayPoint;
}
};
};
using _traits = sqlpp::make_traits<sqlpp::date, sqlpp::tag::can_be_null>;
using _traits = sqlpp::make_traits<sqlpp::day_point, sqlpp::tag::can_be_null>;
};
struct OtherDateTime
struct OtherTimePoint
{
struct _alias_t
{
static constexpr const char _literal[] = "other_date_time";
static constexpr const char _literal[] = "other_time_point";
using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
template <typename T>
struct _member_t
{
T otherDateTime;
T otherTimePoint;
T& operator()()
{
return otherDateTime;
return otherTimePoint;
}
const T& operator()() const
{
return otherDateTime;
return otherTimePoint;
}
};
};
using _traits = sqlpp::make_traits<sqlpp::date_time, sqlpp::tag::can_be_null>;
using _traits = sqlpp::make_traits<sqlpp::time_point, sqlpp::tag::can_be_null>;
};
}
@ -259,13 +259,13 @@ namespace test
TabAllTypes_::SomeInt,
TabAllTypes_::SomeFloat,
TabAllTypes_::SomeBool,
TabAllTypes_::SomeDate,
TabAllTypes_::SomeDateTime,
TabAllTypes_::SomeDayPoint,
TabAllTypes_::SomeTimePoint,
TabAllTypes_::OtherInt,
TabAllTypes_::OtherFloat,
TabAllTypes_::OtherBool,
TabAllTypes_::OtherDate,
TabAllTypes_::OtherDateTime>
TabAllTypes_::OtherDayPoint,
TabAllTypes_::OtherTimePoint>
{
struct _alias_t
{

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@ -46,16 +46,16 @@ namespace
template <typename Assert, typename Operand>
void static_check_comparison(const Operand& operand)
{
using CheckResult = sqlpp::check_rhs_comparison_operand_t<decltype(t.someDate), Operand>;
using CheckResult = sqlpp::check_rhs_comparison_operand_t<decltype(t.someDayPoint), Operand>;
using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
static_assert(ExpectedCheckResult::value, "Unexpected check result");
print_type_on_error<CheckResult>(ExpectedCheckResult{});
using ReturnType = sqlpp::detail::make_type_set_t<
decltype(t.someDate < operand), decltype(t.someDate <= operand), decltype(t.someDate == operand),
decltype(t.someDate != operand), decltype(t.someDate >= operand), decltype(t.someDate > operand),
decltype(t.someDate.in(operand)), decltype(t.someDate.in(operand, operand)),
decltype(t.someDate.not_in(operand)), decltype(t.someDate.not_in(operand, operand))>;
decltype(t.someDayPoint < operand), decltype(t.someDayPoint <= operand), decltype(t.someDayPoint == operand),
decltype(t.someDayPoint != operand), decltype(t.someDayPoint >= operand), decltype(t.someDayPoint > operand),
decltype(t.someDayPoint.in(operand)), decltype(t.someDayPoint.in(operand, operand)),
decltype(t.someDayPoint.not_in(operand)), decltype(t.someDayPoint.not_in(operand, operand))>;
using ExpectedReturnType =
sqlpp::logic::all_t<Assert::value xor
std::is_same<ReturnType, sqlpp::detail::type_set<sqlpp::bad_statement>>::value>;
@ -66,8 +66,8 @@ namespace
void allowed_comparands()
{
static_check_comparison<sqlpp::consistent_t>(std::chrono::system_clock::now());
static_check_comparison<sqlpp::consistent_t>(t.someDate);
static_check_comparison<sqlpp::consistent_t>(t.someDateTime);
static_check_comparison<sqlpp::consistent_t>(t.someDayPoint);
static_check_comparison<sqlpp::consistent_t>(t.someTimePoint);
}
void disallowed_comparands()

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@ -46,16 +46,16 @@ namespace
template <typename Assert, typename Operand>
void static_check_comparison(const Operand& operand)
{
using CheckResult = sqlpp::check_rhs_comparison_operand_t<decltype(t.someDateTime), Operand>;
using CheckResult = sqlpp::check_rhs_comparison_operand_t<decltype(t.someTimePoint), Operand>;
using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
static_assert(ExpectedCheckResult::value, "Unexpected check result");
print_type_on_error<CheckResult>(ExpectedCheckResult{});
using ReturnType = sqlpp::detail::make_type_set_t<
decltype(t.someDateTime < operand), decltype(t.someDateTime <= operand), decltype(t.someDateTime == operand),
decltype(t.someDateTime != operand), decltype(t.someDateTime >= operand), decltype(t.someDateTime > operand),
decltype(t.someDateTime.in(operand)), decltype(t.someDateTime.in(operand, operand)),
decltype(t.someDateTime.not_in(operand)), decltype(t.someDateTime.not_in(operand, operand))>;
decltype(t.someTimePoint < operand), decltype(t.someTimePoint <= operand), decltype(t.someTimePoint == operand),
decltype(t.someTimePoint != operand), decltype(t.someTimePoint >= operand), decltype(t.someTimePoint > operand),
decltype(t.someTimePoint.in(operand)), decltype(t.someTimePoint.in(operand, operand)),
decltype(t.someTimePoint.not_in(operand)), decltype(t.someTimePoint.not_in(operand, operand))>;
using ExpectedReturnType =
sqlpp::logic::all_t<Assert::value xor
std::is_same<ReturnType, sqlpp::detail::type_set<sqlpp::bad_statement>>::value>;
@ -66,8 +66,8 @@ namespace
void allowed_comparands()
{
static_check_comparison<sqlpp::consistent_t>(std::chrono::system_clock::now());
static_check_comparison<sqlpp::consistent_t>(t.someDate);
static_check_comparison<sqlpp::consistent_t>(t.someDateTime);
static_check_comparison<sqlpp::consistent_t>(t.someDayPoint);
static_check_comparison<sqlpp::consistent_t>(t.someTimePoint);
}
void disallowed_comparands()

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@ -42,30 +42,30 @@ int DateTime(int, char**)
}
for (const auto& row : db(select(all_of(t)).from(t).where(true)))
{
std::cout << row.colDate;
std::cout << row.colDateTime;
std::cout << row.colDayPoint;
std::cout << row.colTimePoint;
}
printer.reset();
std::cerr << serialize(::sqlpp::value(std::chrono::system_clock::now()), printer).str() << std::endl;
db(insert_into(t).set(t.colDate = ::date::floor<::sqlpp::chrono::days>(std::chrono::system_clock::now())));
db(insert_into(t).set(t.colDateTime = ::date::floor<::sqlpp::chrono::days>(std::chrono::system_clock::now())));
db(insert_into(t).set(t.colDateTime = std::chrono::system_clock::now()));
db(insert_into(t).set(t.colDayPoint = ::date::floor<::sqlpp::chrono::days>(std::chrono::system_clock::now())));
db(insert_into(t).set(t.colTimePoint = ::date::floor<::sqlpp::chrono::days>(std::chrono::system_clock::now())));
db(insert_into(t).set(t.colTimePoint = std::chrono::system_clock::now()));
db(update(t)
.set(t.colDate = ::date::floor<::sqlpp::chrono::days>(std::chrono::system_clock::now()))
.where(t.colDate < std::chrono::system_clock::now()));
.set(t.colDayPoint = ::date::floor<::sqlpp::chrono::days>(std::chrono::system_clock::now()))
.where(t.colDayPoint < std::chrono::system_clock::now()));
db(update(t)
.set(t.colDateTime = ::date::floor<::sqlpp::chrono::days>(std::chrono::system_clock::now()))
.where(t.colDate < std::chrono::system_clock::now()));
.set(t.colTimePoint = ::date::floor<::sqlpp::chrono::days>(std::chrono::system_clock::now()))
.where(t.colDayPoint < std::chrono::system_clock::now()));
db(update(t)
.set(t.colDateTime = std::chrono::system_clock::now())
.where(t.colDate < std::chrono::system_clock::now()));
.set(t.colTimePoint = std::chrono::system_clock::now())
.where(t.colDayPoint < std::chrono::system_clock::now()));
db(remove_from(t).where(t.colDate == ::date::floor<::sqlpp::chrono::days>(std::chrono::system_clock::now())));
db(remove_from(t).where(t.colDate == std::chrono::system_clock::now()));
db(remove_from(t).where(t.colDateTime == ::date::floor<::sqlpp::chrono::days>(std::chrono::system_clock::now())));
db(remove_from(t).where(t.colDateTime == std::chrono::system_clock::now()));
db(remove_from(t).where(t.colDayPoint == ::date::floor<::sqlpp::chrono::days>(std::chrono::system_clock::now())));
db(remove_from(t).where(t.colDayPoint == std::chrono::system_clock::now()));
db(remove_from(t).where(t.colTimePoint == ::date::floor<::sqlpp::chrono::days>(std::chrono::system_clock::now())));
db(remove_from(t).where(t.colTimePoint == std::chrono::system_clock::now()));
return 0;
}

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@ -215,57 +215,57 @@ namespace test
namespace TabDateTime_
{
struct ColDate
struct ColDayPoint
{
struct _alias_t
{
static constexpr const char _literal[] = "col_date";
static constexpr const char _literal[] = "col_day_point";
using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
template <typename T>
struct _member_t
{
T colDate;
T colDayPoint;
T& operator()()
{
return colDate;
return colDayPoint;
}
const T& operator()() const
{
return colDate;
return colDayPoint;
}
};
};
using _traits = sqlpp::make_traits<sqlpp::date, sqlpp::tag::can_be_null>;
using _traits = sqlpp::make_traits<sqlpp::day_point, sqlpp::tag::can_be_null>;
};
struct ColDateTime
struct ColTimePoint
{
struct _alias_t
{
static constexpr const char _literal[] = "col_date_time";
static constexpr const char _literal[] = "col_time_point";
using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
template <typename T>
struct _member_t
{
T colDateTime;
T colTimePoint;
T& operator()()
{
return colDateTime;
return colTimePoint;
}
const T& operator()() const
{
return colDateTime;
return colTimePoint;
}
};
};
using _traits = sqlpp::make_traits<sqlpp::date_time, sqlpp::tag::can_be_null>;
using _traits = sqlpp::make_traits<sqlpp::time_point, sqlpp::tag::can_be_null>;
};
}
struct TabDateTime : sqlpp::table_t<TabDateTime, TabDateTime_::ColDate, TabDateTime_::ColDateTime>
struct TabDateTime : sqlpp::table_t<TabDateTime, TabDateTime_::ColDayPoint, TabDateTime_::ColTimePoint>
{
struct _alias_t
{
static constexpr const char _literal[] = "tab_date_time";
static constexpr const char _literal[] = "tab_time_point";
using _name_t = sqlpp::make_char_sequence<sizeof(_literal), _literal>;
template <typename T>
struct _member_t