DateDaysOverflowValidator Class Reference

#include <Encoder.h>

Public Member Functions
	DateDaysOverflowValidator (SQLTypeInfo type)
template<typename T >
void	validate (T value)

Private Attributes
bool	is_date_in_days_
int64_t	max_
int64_t	min_

Detailed Description

Definition at line 109 of file Encoder.h.

Constructor & Destructor Documentation

DateDaysOverflowValidator::DateDaysOverflowValidator ( SQLTypeInfo  type )

inline

Definition at line 111 of file Encoder.h.

References SQLTypeInfo::get_comp_param(), SQLTypeInfo::get_elem_type(), SQLTypeInfo::is_array(), SQLTypeInfo::is_date_in_days(), is_date_in_days_, max_, and min_.

                                              {
    is_date_in_days_ =
        type.is_array() ? type.get_elem_type().is_date_in_days() : type.is_date_in_days();
    const bool is_date_16_ = is_date_in_days_ ? type.get_comp_param() == 16 : false;
    max_ = is_date_16_ ? static_cast<int64_t>(std::numeric_limits<int16_t>::max())
                       : static_cast<int64_t>(std::numeric_limits<int32_t>::max());
    min_ = is_date_16_ ? static_cast<int64_t>(std::numeric_limits<int16_t>::min())
                       : static_cast<int64_t>(std::numeric_limits<int32_t>::min());
  }

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Member Function Documentation

template<typename T >

void DateDaysOverflowValidator::validate ( T  value )

inline

Definition at line 122 of file Encoder.h.

References DateConverters::get_epoch_days_from_seconds(), is_date_in_days_, max_, min_, and to_string().

Referenced by DateDaysEncoder< T, V >::encodeDataAndUpdateStats(), and ddl_utils::anonymous_namespace{DdlUtils.cpp}::validate_literal().

                         {
    if (!is_date_in_days_ || !std::is_integral<T>::value) {
      return;
    }
    const int64_t days =
        DateConverters::get_epoch_days_from_seconds(static_cast<int64_t>(value));
    if (days > max_) {
      throw std::runtime_error("Date encoding overflow: Epoch days " +
                               std::to_string(days) + " greater than maximum capacity " +
                               std::to_string(max_));
    }
    if (days < min_) {
      throw std::runtime_error("Date encoding underflow: Epoch days " +
                               std::to_string(days) + " less than minimum capacity " +
                               std::to_string(min_));
    }
  }

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Member Data Documentation

bool DateDaysOverflowValidator::is_date_in_days_

private

Definition at line 141 of file Encoder.h.

Referenced by DateDaysOverflowValidator(), and validate().

int64_t DateDaysOverflowValidator::max_

private

Definition at line 142 of file Encoder.h.

Referenced by DateDaysOverflowValidator(), and validate().

int64_t DateDaysOverflowValidator::min_

private

Definition at line 143 of file Encoder.h.

Referenced by DateDaysOverflowValidator(), and validate().

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The documentation for this class was generated from the following file:

• /home/jenkins-slave/workspace/core-os-doxygen/DataMgr/Encoder.h