Core/DBLayer: Support retrieving DATE/DATETIME/TIMESTAMP column values directly without casting in sql

This commit is contained in:
Shauren
2024-04-10 13:59:19 +02:00
parent 16853af7c8
commit 404bb5b3c2
10 changed files with 310 additions and 41 deletions

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@@ -18,7 +18,6 @@
#include "Field.h"
#include "Errors.h"
#include "FieldValueConverter.h"
#include "Log.h"
#include <cstring>
Field::Field() : _value(nullptr), _length(0), _meta(nullptr)
@@ -107,6 +106,14 @@ double Field::GetDouble() const
return _meta->Converter->GetDouble(_value, _length, _meta);
}
SystemTimePoint Field::GetDate() const
{
if (!_value)
return SystemTimePoint::min();
return _meta->Converter->GetDate(_value, _length, _meta);
}
char const* Field::GetCString() const
{
if (!_value)

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@@ -19,6 +19,7 @@
#define TRINITY_DATABASE_FIELD_H
#include "Define.h"
#include "Duration.h"
#include <array>
#include <string>
#include <string_view>
@@ -41,6 +42,7 @@ enum class DatabaseFieldTypes : uint8
Double,
Decimal,
Date,
Time,
Binary
};
@@ -110,6 +112,7 @@ class TC_DATABASE_API Field
int64 GetInt64() const;
float GetFloat() const;
double GetDouble() const;
SystemTimePoint GetDate() const;
char const* GetCString() const;
std::string GetString() const;
std::string_view GetStringView() const;

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@@ -38,6 +38,8 @@ void BaseDatabaseResultValueConverter::LogTruncation(char const* getter, QueryRe
case DatabaseFieldTypes::Float: expectedAccessor = "Field::GetFloat"; break;
case DatabaseFieldTypes::Double: expectedAccessor = "Field::GetDouble"; break;
case DatabaseFieldTypes::Decimal: expectedAccessor = "Field::GetDouble or Field::GetString"; break;
case DatabaseFieldTypes::Date: expectedAccessor = "Field::GetDate"; break;
case DatabaseFieldTypes::Time: expectedAccessor = "Field::GetTime"; break;
case DatabaseFieldTypes::Binary: expectedAccessor = "Field::GetString or Field::GetBinary"; break;
default:
break;

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@@ -19,6 +19,7 @@
#define TRINITY_FIELD_VALUE_CONVERTER_H
#include "Define.h"
#include "Duration.h"
struct QueryResultFieldMetadata;
@@ -42,6 +43,7 @@ public:
virtual int64 GetInt64(char const* data, uint32 size, QueryResultFieldMetadata const* meta) const = 0;
virtual float GetFloat(char const* data, uint32 size, QueryResultFieldMetadata const* meta) const = 0;
virtual double GetDouble(char const* data, uint32 size, QueryResultFieldMetadata const* meta) const = 0;
virtual SystemTimePoint GetDate(char const* data, uint32 size, QueryResultFieldMetadata const* meta) const = 0;
virtual char const* GetCString(char const* data, uint32 size, QueryResultFieldMetadata const* meta) const = 0;
static void LogTruncation(char const* getter, QueryResultFieldMetadata const* meta);

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@@ -23,7 +23,7 @@
// converts string value returned from query to type specified in column metadata
template<typename DatabaseType>
class FromStringToDatabaseTypeConverter : public BaseDatabaseResultValueConverter
class FromStringToDatabaseTypeConverter
{
public:
static DatabaseType GetDatabaseValue(char const* data, uint32 size)
@@ -39,7 +39,7 @@ public:
// converts binary value returned from query to type specified in column metadata
template<typename DatabaseType>
class FromBinaryToDatabaseTypeConverter : public BaseDatabaseResultValueConverter
class FromBinaryToDatabaseTypeConverter
{
public:
static DatabaseType GetDatabaseValue(char const* data, uint32 /*size*/)
@@ -54,7 +54,7 @@ public:
};
// converts column value from type specified in column metadata to type requested by Field::Get* function
template<typename DatabaseType, template<typename...> typename ToDatabaseTypeConverter>
template<typename DatabaseType, template<typename> typename ToDatabaseTypeConverter>
class PrimitiveResultValueConverter : public BaseDatabaseResultValueConverter
{
public:
@@ -81,6 +81,7 @@ public:
int64 GetInt64(char const* data, uint32 size, QueryResultFieldMetadata const* meta) const override { return GetNumericValue<int64>(data, size, meta, "Field::GetInt64"); }
float GetFloat(char const* data, uint32 size, QueryResultFieldMetadata const* meta) const override { return GetNumericValue<float>(data, size, meta, "Field::GetFloat"); }
double GetDouble(char const* data, uint32 size, QueryResultFieldMetadata const* meta) const override { return GetNumericValue<double>(data, size, meta, "Field::GetDouble"); }
SystemTimePoint GetDate(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetDate", meta); return SystemTimePoint::min(); }
char const* GetCString(char const* data, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override
{
char const* result = ToDatabaseTypeConverter<DatabaseType>::GetStringValue(data);
@@ -91,7 +92,7 @@ public:
};
template<>
class PrimitiveResultValueConverter<char const*, std::void_t> : public BaseDatabaseResultValueConverter
class PrimitiveResultValueConverter<char const*, std::type_identity_t> : public BaseDatabaseResultValueConverter
{
public:
uint8 GetUInt8(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetUInt8", meta); return 0; }
@@ -104,9 +105,27 @@ public:
int64 GetInt64(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetInt64", meta); return 0; }
float GetFloat(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetFloat", meta); return 0.0f; }
double GetDouble(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetDouble", meta); return 0.0; }
SystemTimePoint GetDate(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetDate", meta); return SystemTimePoint::min(); }
char const* GetCString(char const* data, uint32 /*size*/, QueryResultFieldMetadata const* /*meta*/) const override { return data; }
};
using StringResultValueConverter = PrimitiveResultValueConverter<char const*, std::void_t>;
using StringResultValueConverter = PrimitiveResultValueConverter<char const*, std::type_identity_t>;
class NotImplementedResultValueConverter : public BaseDatabaseResultValueConverter
{
public:
uint8 GetUInt8(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetUInt8", meta); return 0; }
int8 GetInt8(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetInt8", meta); return 0; }
uint16 GetUInt16(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetUInt16", meta); return 0; }
int16 GetInt16(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetInt16", meta); return 0; }
uint32 GetUInt32(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetUInt32", meta); return 0; }
int32 GetInt32(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetInt32", meta); return 0; }
uint64 GetUInt64(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetUInt64", meta); return 0; }
int64 GetInt64(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetInt64", meta); return 0; }
float GetFloat(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetFloat", meta); return 0.0f; }
double GetDouble(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetDouble", meta); return 0.0; }
SystemTimePoint GetDate(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetDate", meta); return SystemTimePoint::min(); }
char const* GetCString(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetCString", meta); return nullptr; }
};
#endif // TRINITY_FIELD_VALUE_CONVERTERS_H

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@@ -20,6 +20,7 @@
#include "Log.h"
#include "MySQLHacks.h"
#include "PreparedStatement.h"
#include <chrono>
#include <cstring>
template<typename T>
@@ -145,6 +146,33 @@ void MySQLPreparedStatement::SetParameter(uint8 index, T value)
memcpy(param->buffer, &value, len);
}
void MySQLPreparedStatement::SetParameter(uint8 index, SystemTimePoint value)
{
AssertValidIndex(index);
m_paramsSet[index] = true;
MYSQL_BIND* param = &m_bind[index];
uint32 len = sizeof(MYSQL_TIME);
param->buffer_type = MYSQL_TYPE_DATETIME;
delete[] static_cast<char*>(param->buffer);
param->buffer = new char[len];
param->buffer_length = len;
param->is_null_value = 0;
delete param->length;
param->length = new unsigned long(len);
std::chrono::year_month_day ymd(time_point_cast<std::chrono::days>(value));
std::chrono::hh_mm_ss hms(duration_cast<std::chrono::microseconds>(value - std::chrono::sys_days(ymd)));
MYSQL_TIME* time = reinterpret_cast<MYSQL_TIME*>(static_cast<char*>(param->buffer));
time->year = static_cast<int32>(ymd.year());
time->month = static_cast<uint32>(ymd.month());
time->day = static_cast<uint32>(ymd.day());
time->hour = hms.hours().count();
time->minute = hms.minutes().count();
time->second = hms.seconds().count();
time->second_part = hms.subseconds().count();
}
void MySQLPreparedStatement::SetParameter(uint8 index, std::string const& value)
{
AssertValidIndex(index);

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@@ -20,6 +20,7 @@
#include "DatabaseEnvFwd.h"
#include "Define.h"
#include "Duration.h"
#include <string>
#include <vector>
@@ -47,6 +48,7 @@ class TC_DATABASE_API MySQLPreparedStatement
void SetParameter(uint8 index, bool value);
template<typename T>
void SetParameter(uint8 index, T value);
void SetParameter(uint8 index, SystemTimePoint value);
void SetParameter(uint8 index, std::string const& value);
void SetParameter(uint8 index, std::vector<uint8> const& value);

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@@ -20,6 +20,7 @@
#include "MySQLConnection.h"
#include "QueryResult.h"
#include "StringFormat.h"
#include <fmt/chrono.h>
PreparedStatementBase::PreparedStatementBase(uint32 index, uint8 capacity) :
m_index(index), statement_data(capacity) { }
@@ -27,91 +28,97 @@ PreparedStatementBase::PreparedStatementBase(uint32 index, uint8 capacity) :
PreparedStatementBase::~PreparedStatementBase() { }
//- Bind to buffer
void PreparedStatementBase::setBool(const uint8 index, const bool value)
void PreparedStatementBase::setBool(uint8 index, bool value)
{
ASSERT(index < statement_data.size());
statement_data[index].data = value;
}
void PreparedStatementBase::setUInt8(const uint8 index, const uint8 value)
void PreparedStatementBase::setUInt8(uint8 index, uint8 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data = value;
}
void PreparedStatementBase::setUInt16(const uint8 index, const uint16 value)
void PreparedStatementBase::setUInt16(uint8 index, uint16 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data = value;
}
void PreparedStatementBase::setUInt32(const uint8 index, const uint32 value)
void PreparedStatementBase::setUInt32(uint8 index, uint32 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data = value;
}
void PreparedStatementBase::setUInt64(const uint8 index, const uint64 value)
void PreparedStatementBase::setUInt64(uint8 index, uint64 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data = value;
}
void PreparedStatementBase::setInt8(const uint8 index, const int8 value)
void PreparedStatementBase::setInt8(uint8 index, int8 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data = value;
}
void PreparedStatementBase::setInt16(const uint8 index, const int16 value)
void PreparedStatementBase::setInt16(uint8 index, int16 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data = value;
}
void PreparedStatementBase::setInt32(const uint8 index, const int32 value)
void PreparedStatementBase::setInt32(uint8 index, int32 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data = value;
}
void PreparedStatementBase::setInt64(const uint8 index, const int64 value)
void PreparedStatementBase::setInt64(uint8 index, int64 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data = value;
}
void PreparedStatementBase::setFloat(const uint8 index, const float value)
void PreparedStatementBase::setFloat(uint8 index, float value)
{
ASSERT(index < statement_data.size());
statement_data[index].data = value;
}
void PreparedStatementBase::setDouble(const uint8 index, const double value)
void PreparedStatementBase::setDouble(uint8 index, double value)
{
ASSERT(index < statement_data.size());
statement_data[index].data = value;
}
void PreparedStatementBase::setString(const uint8 index, const std::string& value)
void PreparedStatementBase::setDate(uint8 index, SystemTimePoint value)
{
ASSERT(index < statement_data.size());
statement_data[index].data = value;
}
void PreparedStatementBase::setStringView(const uint8 index, const std::string_view value)
void PreparedStatementBase::setString(uint8 index, std::string const& value)
{
ASSERT(index < statement_data.size());
statement_data[index].data = value;
}
void PreparedStatementBase::setStringView(uint8 index, std::string_view value)
{
ASSERT(index < statement_data.size());
statement_data[index].data.emplace<std::string>(value);
}
void PreparedStatementBase::setBinary(const uint8 index, const std::vector<uint8>& value)
void PreparedStatementBase::setBinary(uint8 index, std::vector<uint8> const& value)
{
ASSERT(index < statement_data.size());
statement_data[index].data = value;
}
void PreparedStatementBase::setNull(const uint8 index)
void PreparedStatementBase::setNull(uint8 index)
{
ASSERT(index < statement_data.size());
statement_data[index].data = nullptr;
@@ -176,6 +183,11 @@ std::string PreparedStatementData::ToString(std::vector<uint8> const& /*value*/)
return "BINARY";
}
std::string PreparedStatementData::ToString(SystemTimePoint value)
{
return Trinity::StringFormat("{:%F %T}", value);
}
std::string PreparedStatementData::ToString(std::nullptr_t)
{
return "NULL";

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@@ -20,6 +20,7 @@
#include "DatabaseEnvFwd.h"
#include "Define.h"
#include "Duration.h"
#include <array>
#include <string>
#include <variant>
@@ -43,6 +44,7 @@ struct PreparedStatementData
double,
std::string,
std::vector<uint8>,
SystemTimePoint,
std::nullptr_t
> data;
@@ -54,6 +56,7 @@ struct PreparedStatementData
static std::string ToString(int8 value);
static std::string ToString(std::string const& value);
static std::string ToString(std::vector<uint8> const& value);
static std::string ToString(SystemTimePoint value);
static std::string ToString(std::nullptr_t);
};
@@ -66,21 +69,22 @@ class TC_DATABASE_API PreparedStatementBase
explicit PreparedStatementBase(uint32 index, uint8 capacity);
virtual ~PreparedStatementBase();
void setNull(const uint8 index);
void setBool(const uint8 index, const bool value);
void setUInt8(const uint8 index, const uint8 value);
void setUInt16(const uint8 index, const uint16 value);
void setUInt32(const uint8 index, const uint32 value);
void setUInt64(const uint8 index, const uint64 value);
void setInt8(const uint8 index, const int8 value);
void setInt16(const uint8 index, const int16 value);
void setInt32(const uint8 index, const int32 value);
void setInt64(const uint8 index, const int64 value);
void setFloat(const uint8 index, const float value);
void setDouble(const uint8 index, const double value);
void setString(const uint8 index, const std::string& value);
void setStringView(const uint8 index, const std::string_view value);
void setBinary(const uint8 index, const std::vector<uint8>& value);
void setNull(uint8 index);
void setBool(uint8 index, bool value);
void setUInt8(uint8 index, uint8 value);
void setUInt16(uint8 index, uint16 value);
void setUInt32(uint8 index, uint32 value);
void setUInt64(uint8 index, uint64 value);
void setInt8(uint8 index, int8 value);
void setInt16(uint8 index, int16 value);
void setInt32(uint8 index, int32 value);
void setInt64(uint8 index, int64 value);
void setFloat(uint8 index, float value);
void setDouble(uint8 index, double value);
void setDate(uint8 index, SystemTimePoint value);
void setString(uint8 index, std::string const& value);
void setStringView(uint8 index, std::string_view value);
void setBinary(uint8 index, std::vector<uint8> const& value);
template <size_t Size>
void setBinary(const uint8 index, std::array<uint8, Size> const& value)
{

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@@ -22,6 +22,7 @@
#include "Log.h"
#include "MySQLHacks.h"
#include "MySQLWorkaround.h"
#include <chrono>
#include <cstring>
namespace
@@ -102,9 +103,10 @@ DatabaseFieldTypes MysqlTypeToFieldType(enum_field_types type, uint32 flags)
return DatabaseFieldTypes::Decimal;
case MYSQL_TYPE_TIMESTAMP:
case MYSQL_TYPE_DATE:
case MYSQL_TYPE_TIME:
case MYSQL_TYPE_DATETIME:
return DatabaseFieldTypes::Date;
case MYSQL_TYPE_TIME:
return DatabaseFieldTypes::Time;
case MYSQL_TYPE_TINY_BLOB:
case MYSQL_TYPE_MEDIUM_BLOB:
case MYSQL_TYPE_LONG_BLOB:
@@ -154,7 +156,193 @@ static char const* FieldTypeToString(enum_field_types type, uint32 flags)
}
}
std::unique_ptr<BaseDatabaseResultValueConverter> FromStringValueConverters[14] =
template <typename>
class FromStringToMYSQL_TIME
{
public:
static MYSQL_TIME GetDatabaseValue(char const* data, uint32 size)
{
MYSQL_TIME result = {};
if (!data || !size)
{
result.time_type = MYSQL_TIMESTAMP_NONE;
return result;
}
std::string_view in(data, size);
size_t firstSeparatorIndex = in.find_first_of(":-");
if (firstSeparatorIndex == std::string_view::npos)
{
result.time_type = MYSQL_TIMESTAMP_NONE;
return result;
}
char firstSeparator = in[firstSeparatorIndex];
auto parseNextComponent = [&](uint32& value, char requiredSeparator = '\0') -> bool
{
std::from_chars_result parseResult = std::from_chars(in.data(), in.data() + in.size(), value);
if (parseResult.ec != std::errc())
return false;
in.remove_prefix(parseResult.ptr - in.data());
if (requiredSeparator)
{
if (in.empty() || in[0] != requiredSeparator)
return false;
in.remove_prefix(1);
}
return true;
};
uint32 yearOrHours = 0;
uint32 monthOrMinutes = 0;
uint32 dayOrSeconds = 0;
if (!parseNextComponent(yearOrHours, firstSeparator)
|| !parseNextComponent(monthOrMinutes, firstSeparator)
|| !parseNextComponent(dayOrSeconds))
{
result.time_type = MYSQL_TIMESTAMP_ERROR;
return result;
}
if (firstSeparator == ':')
{
if (!in.empty())
{
result.time_type = MYSQL_TIMESTAMP_ERROR;
return result;
}
// time
result.hour = yearOrHours;
result.minute = monthOrMinutes;
result.second = dayOrSeconds;
result.time_type = MYSQL_TIMESTAMP_TIME;
}
else
{
if (in.empty())
{
// date
result.year = yearOrHours;
result.month = monthOrMinutes;
result.day = dayOrSeconds;
result.time_type = MYSQL_TIMESTAMP_DATE;
return result;
}
// date+time
if (in[0] != ' ')
{
result.time_type = MYSQL_TIMESTAMP_ERROR;
return result;
}
in.remove_prefix(1);
uint32 hours = 0;
uint32 minutes = 0;
uint32 seconds = 0;
if (!parseNextComponent(hours, ':')
|| !parseNextComponent(minutes, ':')
|| !parseNextComponent(seconds))
{
result.time_type = MYSQL_TIMESTAMP_ERROR;
return result;
}
uint32 microseconds = 0;
if (!in.empty())
{
if (in[0] != '.')
{
result.time_type = MYSQL_TIMESTAMP_ERROR;
return result;
}
in.remove_prefix(1);
if (!parseNextComponent(microseconds))
{
result.time_type = MYSQL_TIMESTAMP_ERROR;
return result;
}
if (!in.empty())
{
result.time_type = MYSQL_TIMESTAMP_ERROR;
return result;
}
}
result.year = yearOrHours;
result.month = monthOrMinutes;
result.day = dayOrSeconds;
result.hour = hours;
result.minute = minutes;
result.second = seconds;
result.second_part = microseconds;
result.time_type = MYSQL_TIMESTAMP_DATETIME;
}
return result;
}
static char const* GetStringValue(char const* data)
{
return data;
}
};
template<template<typename> typename ToDatabaseTypeConverter>
class DateResultValueConverter : public BaseDatabaseResultValueConverter
{
uint8 GetUInt8(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetUInt8", meta); return 0; }
int8 GetInt8(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetInt8", meta); return 0; }
uint16 GetUInt16(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetUInt16", meta); return 0; }
int16 GetInt16(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetInt16", meta); return 0; }
uint32 GetUInt32(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetUInt32", meta); return 0; }
int32 GetInt32(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetInt32", meta); return 0; }
uint64 GetUInt64(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetUInt64", meta); return 0; }
int64 GetInt64(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetInt64", meta); return 0; }
float GetFloat(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetFloat", meta); return 0.0f; }
double GetDouble(char const* /*data*/, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override { LogTruncation("Field::GetDouble", meta); return 0.0; }
SystemTimePoint GetDate(char const* data, uint32 size, QueryResultFieldMetadata const* meta) const override
{
using namespace std::chrono;
MYSQL_TIME source = ToDatabaseTypeConverter<MYSQL_TIME>::GetDatabaseValue(data, size);
switch (source.time_type)
{
case MYSQL_TIMESTAMP_DATE:
return sys_days(year(source.year) / month(source.month) / day(source.day));
case MYSQL_TIMESTAMP_DATETIME:
return sys_days(year(source.year) / month(source.month) / day(source.day))
+ hours(source.hour)
+ minutes(source.minute)
+ seconds(source.second)
+ microseconds(source.second_part);
default:
break;
}
LogTruncation("Field::GetDate", meta);
return SystemTimePoint();
}
char const* GetCString(char const* data, uint32 /*size*/, QueryResultFieldMetadata const* meta) const override
{
char const* result = ToDatabaseTypeConverter<MYSQL_TIME>::GetStringValue(data);
if (data && !result)
LogTruncation("Field::GetCString", meta);
return result;
}
};
std::unique_ptr<BaseDatabaseResultValueConverter> const FromStringValueConverters[15] =
{
nullptr,
std::make_unique<PrimitiveResultValueConverter<uint8, FromStringToDatabaseTypeConverter>>(),
@@ -168,11 +356,12 @@ std::unique_ptr<BaseDatabaseResultValueConverter> FromStringValueConverters[14]
std::make_unique<PrimitiveResultValueConverter<float, FromStringToDatabaseTypeConverter>>(),
std::make_unique<PrimitiveResultValueConverter<double, FromStringToDatabaseTypeConverter>>(),
std::make_unique<PrimitiveResultValueConverter<double, FromStringToDatabaseTypeConverter>>(),
nullptr,
std::make_unique<DateResultValueConverter<FromStringToMYSQL_TIME>>(),
std::make_unique<NotImplementedResultValueConverter>(), // DatabaseFieldTypes::Time
std::make_unique<StringResultValueConverter>()
};
std::unique_ptr<BaseDatabaseResultValueConverter> BinaryValueConverters[14] =
std::unique_ptr<BaseDatabaseResultValueConverter> const BinaryValueConverters[15] =
{
nullptr,
std::make_unique<PrimitiveResultValueConverter<uint8, FromBinaryToDatabaseTypeConverter>>(),
@@ -186,7 +375,8 @@ std::unique_ptr<BaseDatabaseResultValueConverter> BinaryValueConverters[14] =
std::make_unique<PrimitiveResultValueConverter<float, FromBinaryToDatabaseTypeConverter>>(),
std::make_unique<PrimitiveResultValueConverter<double, FromBinaryToDatabaseTypeConverter>>(),
std::make_unique<PrimitiveResultValueConverter<double, FromStringToDatabaseTypeConverter>>(), // always sent as string
nullptr,
std::make_unique<DateResultValueConverter<FromBinaryToDatabaseTypeConverter>>(),
std::make_unique<NotImplementedResultValueConverter>(), // DatabaseFieldTypes::Time
std::make_unique<StringResultValueConverter>()
};