NumericValueConverter< SOURCE_TYPE, TARGET_TYPE > Struct Template Reference

#include <TargetValueConvertersImpl.h>

Inheritance diagram for NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >:

Collaboration diagram for NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >:

Public Types
using	ColumnDataPtr = std::unique_ptr< TARGET_TYPE, CheckedMallocDeleter< TARGET_TYPE >>
using	ElementsBufferColumnPtr = ColumnDataPtr
using	CasterFunc = std::function< TARGET_TYPE(SOURCE_TYPE, bool, TARGET_TYPE)>

Public Member Functions
	NumericValueConverter (const ColumnDescriptor *cd, size_t num_rows, TARGET_TYPE nullValue, SOURCE_TYPE nullCheckValue, bool doNullCheck)
	~NumericValueConverter () override
void	setValueCaster (CasterFunc caster)
void	populateFixedArrayNullSentinel (size_t num_rows)
void	allocateColumnarData (size_t num_rows) override
ElementsBufferColumnPtr	allocateColumnarBuffer (size_t num_rows)
void	convertElementToColumnarFormat (size_t row, typename ElementsBufferColumnPtr::pointer columnData, const ScalarTargetValue *scalarValue)
void	convertToColumnarFormat (size_t row, const ScalarTargetValue *scalarValue)
void	convertToColumnarFormat (size_t row, const TargetValue *value) override
void	processArrayBuffer (std::unique_ptr< std::vector< std::pair< size_t, ElementsBufferColumnPtr >>> &array_buffer, std::unique_ptr< std::vector< ArrayDatum >>::pointer arrayData)
void	addDataBlocksToInsertData (Fragmenter_Namespace::InsertData &insertData) override
Public Member Functions inherited from TargetValueConverter
	TargetValueConverter (const ColumnDescriptor *cd)
virtual	~TargetValueConverter ()
virtual void	finalizeDataBlocksForInsertData ()

Public Attributes
ColumnDataPtr	column_data_
TARGET_TYPE	null_value_
SOURCE_TYPE	null_check_value_
bool	do_null_check_
TARGET_TYPE	fixed_array_null_value_
CasterFunc	checked_caster_ = nullptr
boost_variant_accessor < SOURCE_TYPE >	SOURCE_TYPE_ACCESSOR
Public Attributes inherited from TargetValueConverter
const ColumnDescriptor *	column_descriptor_
boost_variant_accessor < ScalarTargetValue >	SCALAR_TARGET_VALUE_ACCESSOR
boost_variant_accessor < ArrayTargetValue >	ARRAY_TARGET_VALUE_ACCESSOR
boost_variant_accessor < GeoTargetValue >	GEO_TARGET_VALUE_ACCESSOR
boost_variant_accessor < NullableString >	NULLABLE_STRING_ACCESSOR
boost_variant_accessor < std::string >	STRING_ACCESSOR

Detailed Description

template<typename SOURCE_TYPE, typename TARGET_TYPE>
struct NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >

Definition at line 56 of file TargetValueConvertersImpl.h.

Member Typedef Documentation

template<typename SOURCE_TYPE, typename TARGET_TYPE>

using NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::CasterFunc = std::function<TARGET_TYPE(SOURCE_TYPE, bool, TARGET_TYPE)>

Definition at line 59 of file TargetValueConvertersImpl.h.

template<typename SOURCE_TYPE, typename TARGET_TYPE>

using NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::ColumnDataPtr = std::unique_ptr<TARGET_TYPE, CheckedMallocDeleter<TARGET_TYPE>>

Definition at line 57 of file TargetValueConvertersImpl.h.

template<typename SOURCE_TYPE, typename TARGET_TYPE>

using NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::ElementsBufferColumnPtr = ColumnDataPtr

Definition at line 58 of file TargetValueConvertersImpl.h.

Constructor & Destructor Documentation

template<typename SOURCE_TYPE, typename TARGET_TYPE>

NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::NumericValueConverter ( const ColumnDescriptor *  cd, size_t  num_rows, TARGET_TYPE  nullValue, SOURCE_TYPE  nullCheckValue, bool  doNullCheck  )

inline

Definition at line 70 of file TargetValueConvertersImpl.h.

      : TargetValueConverter(cd)
      , null_value_(nullValue)
      , null_check_value_(nullCheckValue)
      , do_null_check_(doNullCheck) {
    fixed_array_null_value_ = get_fixed_array_null_value<TARGET_TYPE>();
    if (num_rows) {
      allocateColumnarData(num_rows);
    }
  }

template<typename SOURCE_TYPE, typename TARGET_TYPE>

NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::~NumericValueConverter ( )

inlineoverride

Definition at line 85 of file TargetValueConvertersImpl.h.

{}

Member Function Documentation

template<typename SOURCE_TYPE, typename TARGET_TYPE>

void NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::addDataBlocksToInsertData ( Fragmenter_Namespace::InsertData &  insertData )

inlineoverridevirtual

Implements TargetValueConverter.

Definition at line 151 of file TargetValueConvertersImpl.h.

                                                                                      {
    DataBlockPtr dataBlock;
    dataBlock.numbersPtr = reinterpret_cast<int8_t*>(column_data_.get());
    insertData.data.push_back(dataBlock);
    insertData.columnIds.push_back(column_descriptor_->columnId);
  }

template<typename SOURCE_TYPE, typename TARGET_TYPE>

ElementsBufferColumnPtr NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::allocateColumnarBuffer ( size_t  num_rows )

inline

Definition at line 101 of file TargetValueConvertersImpl.h.

                                                                  {
    CHECK(num_rows > 0);
    return ElementsBufferColumnPtr(
        reinterpret_cast<TARGET_TYPE*>(checked_malloc(num_rows * sizeof(TARGET_TYPE))));
  }

template<typename SOURCE_TYPE, typename TARGET_TYPE>

void NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::allocateColumnarData ( size_t  num_rows )

inlineoverridevirtual

Implements TargetValueConverter.

Definition at line 95 of file TargetValueConvertersImpl.h.

Referenced by NumericValueConverter< int64_t, TARGET_TYPE >::NumericValueConverter(), and NumericValueConverter< int64_t, TARGET_TYPE >::populateFixedArrayNullSentinel().

                                                      {
    CHECK(num_rows > 0);
    column_data_ = ColumnDataPtr(
        reinterpret_cast<TARGET_TYPE*>(checked_malloc(num_rows * sizeof(TARGET_TYPE))));
  }

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template<typename SOURCE_TYPE, typename TARGET_TYPE>

void NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::convertElementToColumnarFormat ( size_t  row, typename ElementsBufferColumnPtr::pointer  columnData, const ScalarTargetValue *  scalarValue  )

inline

Definition at line 107 of file TargetValueConvertersImpl.h.

Referenced by NumericValueConverter< int64_t, TARGET_TYPE >::convertToColumnarFormat().

                                            {
    auto db_p = checked_get<SOURCE_TYPE>(row, scalarValue, SOURCE_TYPE_ACCESSOR);
    auto val = *db_p;

    if (do_null_check_ && null_check_value_ == val) {
      columnData[row] = null_value_;
    } else {
      if (checked_caster_) {
        columnData[row] = checked_caster_(val, do_null_check_, null_value_);
      } else {
        columnData[row] = static_cast<TARGET_TYPE>(val);
      }
    }
  }

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template<typename SOURCE_TYPE, typename TARGET_TYPE>

void NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::convertToColumnarFormat ( size_t  row, const ScalarTargetValue *  scalarValue  )

inline

Definition at line 125 of file TargetValueConvertersImpl.h.

Referenced by NumericValueConverter< int64_t, TARGET_TYPE >::convertToColumnarFormat().

                                                                                 {
    convertElementToColumnarFormat(row, column_data_.get(), scalarValue);
  }

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template<typename SOURCE_TYPE, typename TARGET_TYPE>

void NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::convertToColumnarFormat ( size_t  row, const TargetValue *  value  )

inlineoverridevirtual

Implements TargetValueConverter.

Definition at line 129 of file TargetValueConvertersImpl.h.

                                                                              {
    auto scalarValue =
        checked_get<ScalarTargetValue>(row, value, SCALAR_TARGET_VALUE_ACCESSOR);
    convertToColumnarFormat(row, scalarValue);
  }

template<typename SOURCE_TYPE, typename TARGET_TYPE>

void NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::populateFixedArrayNullSentinel ( size_t  num_rows )

inline

Definition at line 89 of file TargetValueConvertersImpl.h.

                                                       {
    allocateColumnarData(num_rows);
    CHECK(fixed_array_null_value_ != 0);
    column_data_.get()[0] = fixed_array_null_value_;
  }

template<typename SOURCE_TYPE, typename TARGET_TYPE>

void NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::processArrayBuffer ( std::unique_ptr< std::vector< std::pair< size_t, ElementsBufferColumnPtr >>> &  array_buffer, std::unique_ptr< std::vector< ArrayDatum >>::pointer  arrayData  )

inline

Definition at line 135 of file TargetValueConvertersImpl.h.

                                                             {
    for (size_t row = 0; row < array_buffer->size(); row++) {
      auto& element = (array_buffer->at(row));
      bool is_null = false;
      if (element.second) {
        ColumnDataPtr& data = element.second;
        int8_t* arrayDataPtr = reinterpret_cast<int8_t*>(data.release());
        (*arrayData)[row] =
            ArrayDatum(element.first * sizeof(TARGET_TYPE), arrayDataPtr, is_null);
      }
    }
  }

template<typename SOURCE_TYPE, typename TARGET_TYPE>

void NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::setValueCaster ( CasterFunc  caster )

inline

Definition at line 87 of file TargetValueConvertersImpl.h.

{ checked_caster_ = caster; }

Member Data Documentation

template<typename SOURCE_TYPE, typename TARGET_TYPE>

CasterFunc NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::checked_caster_ = nullptr

Definition at line 66 of file TargetValueConvertersImpl.h.

Referenced by NumericValueConverter< int64_t, TARGET_TYPE >::convertElementToColumnarFormat(), and NumericValueConverter< int64_t, TARGET_TYPE >::setValueCaster().

template<typename SOURCE_TYPE, typename TARGET_TYPE>

ColumnDataPtr NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::column_data_

Definition at line 61 of file TargetValueConvertersImpl.h.

Referenced by NumericValueConverter< int64_t, TARGET_TYPE >::addDataBlocksToInsertData(), NumericValueConverter< int64_t, TARGET_TYPE >::allocateColumnarData(), NumericValueConverter< int64_t, TARGET_TYPE >::convertToColumnarFormat(), and NumericValueConverter< int64_t, TARGET_TYPE >::populateFixedArrayNullSentinel().

template<typename SOURCE_TYPE, typename TARGET_TYPE>

bool NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::do_null_check_

Definition at line 64 of file TargetValueConvertersImpl.h.

Referenced by NumericValueConverter< int64_t, TARGET_TYPE >::convertElementToColumnarFormat().

template<typename SOURCE_TYPE, typename TARGET_TYPE>

TARGET_TYPE NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::fixed_array_null_value_

Definition at line 65 of file TargetValueConvertersImpl.h.

Referenced by NumericValueConverter< int64_t, TARGET_TYPE >::NumericValueConverter(), and NumericValueConverter< int64_t, TARGET_TYPE >::populateFixedArrayNullSentinel().

template<typename SOURCE_TYPE, typename TARGET_TYPE>

SOURCE_TYPE NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::null_check_value_

Definition at line 63 of file TargetValueConvertersImpl.h.

Referenced by NumericValueConverter< int64_t, TARGET_TYPE >::convertElementToColumnarFormat().

template<typename SOURCE_TYPE, typename TARGET_TYPE>

TARGET_TYPE NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::null_value_

Definition at line 62 of file TargetValueConvertersImpl.h.

Referenced by NumericValueConverter< int64_t, TARGET_TYPE >::convertElementToColumnarFormat().

template<typename SOURCE_TYPE, typename TARGET_TYPE>

boost_variant_accessor<SOURCE_TYPE> NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::SOURCE_TYPE_ACCESSOR

Definition at line 68 of file TargetValueConvertersImpl.h.

Referenced by NumericValueConverter< int64_t, TARGET_TYPE >::convertElementToColumnarFormat().

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

• /home/jenkins-slave/workspace/core-os-doxygen/Fragmenter/TargetValueConvertersImpl.h