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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 ColumnDescriptorcolumn_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 58 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 61 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 59 of file TargetValueConvertersImpl.h.

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

Definition at line 60 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 72 of file TargetValueConvertersImpl.h.

78  , null_value_(nullValue)
79  , null_check_value_(nullCheckValue)
80  , do_null_check_(doNullCheck) {
81  fixed_array_null_value_ = get_fixed_array_null_value<TARGET_TYPE>();
82  if (num_rows) {
83  allocateColumnarData(num_rows);
84  }
85  }
TargetValueConverter(const ColumnDescriptor *cd)
void allocateColumnarData(size_t num_rows) override
template<typename SOURCE_TYPE, typename TARGET_TYPE>
NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::~NumericValueConverter ( )
inlineoverride

Definition at line 87 of file TargetValueConvertersImpl.h.

87 {}

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 153 of file TargetValueConvertersImpl.h.

153  {
154  DataBlockPtr dataBlock;
155  dataBlock.numbersPtr = reinterpret_cast<int8_t*>(column_data_.get());
156  insertData.data.push_back(dataBlock);
157  insertData.columnIds.push_back(column_descriptor_->columnId);
158  }
const ColumnDescriptor * column_descriptor_
std::vector< DataBlockPtr > data
the number of rows being inserted
Definition: Fragmenter.h:73
int8_t * numbersPtr
Definition: sqltypes.h:221
std::vector< int > columnIds
identifies the table into which the data is being inserted
Definition: Fragmenter.h:71
template<typename SOURCE_TYPE, typename TARGET_TYPE>
ElementsBufferColumnPtr NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::allocateColumnarBuffer ( size_t  num_rows)
inline

Definition at line 103 of file TargetValueConvertersImpl.h.

103  {
104  CHECK(num_rows > 0);
106  reinterpret_cast<TARGET_TYPE*>(checked_malloc(num_rows * sizeof(TARGET_TYPE))));
107  }
void * checked_malloc(const size_t size)
Definition: checked_alloc.h:45
#define CHECK(condition)
Definition: Logger.h:222
template<typename SOURCE_TYPE, typename TARGET_TYPE>
void NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::allocateColumnarData ( size_t  num_rows)
inlineoverridevirtual

Implements TargetValueConverter.

Definition at line 97 of file TargetValueConvertersImpl.h.

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

97  {
98  CHECK(num_rows > 0);
100  reinterpret_cast<TARGET_TYPE*>(checked_malloc(num_rows * sizeof(TARGET_TYPE))));
101  }
std::unique_ptr< TARGET_TYPE, CheckedMallocDeleter< TARGET_TYPE >> ColumnDataPtr
void * checked_malloc(const size_t size)
Definition: checked_alloc.h:45
#define CHECK(condition)
Definition: Logger.h:222

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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 109 of file TargetValueConvertersImpl.h.

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

112  {
113  auto db_p = checked_get<SOURCE_TYPE>(row, scalarValue, SOURCE_TYPE_ACCESSOR);
114  auto val = *db_p;
115 
116  if (do_null_check_ && null_check_value_ == val) {
117  columnData[row] = null_value_;
118  } else {
119  if (checked_caster_) {
120  columnData[row] = checked_caster_(val, do_null_check_, null_value_);
121  } else {
122  columnData[row] = static_cast<TARGET_TYPE>(val);
123  }
124  }
125  }
boost_variant_accessor< SOURCE_TYPE > SOURCE_TYPE_ACCESSOR

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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 127 of file TargetValueConvertersImpl.h.

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

127  {
128  convertElementToColumnarFormat(row, column_data_.get(), scalarValue);
129  }
void convertElementToColumnarFormat(size_t row, typename ElementsBufferColumnPtr::pointer columnData, const ScalarTargetValue *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 131 of file TargetValueConvertersImpl.h.

131  {
132  auto scalarValue =
133  checked_get<ScalarTargetValue>(row, value, SCALAR_TARGET_VALUE_ACCESSOR);
134  convertToColumnarFormat(row, scalarValue);
135  }
void convertToColumnarFormat(size_t row, const ScalarTargetValue *scalarValue)
boost_variant_accessor< ScalarTargetValue > SCALAR_TARGET_VALUE_ACCESSOR
template<typename SOURCE_TYPE, typename TARGET_TYPE>
void NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::populateFixedArrayNullSentinel ( size_t  num_rows)
inline

Definition at line 91 of file TargetValueConvertersImpl.h.

91  {
92  allocateColumnarData(num_rows);
95  }
void allocateColumnarData(size_t num_rows) override
#define CHECK(condition)
Definition: Logger.h:222
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 137 of file TargetValueConvertersImpl.h.

140  {
141  for (size_t row = 0; row < array_buffer->size(); row++) {
142  auto& element = (array_buffer->at(row));
143  bool is_null = false;
144  if (element.second) {
145  ColumnDataPtr& data = element.second;
146  int8_t* arrayDataPtr = reinterpret_cast<int8_t*>(data.release());
147  (*arrayData)[row] =
148  ArrayDatum(element.first * sizeof(TARGET_TYPE), arrayDataPtr, is_null);
149  }
150  }
151  }
std::unique_ptr< TARGET_TYPE, CheckedMallocDeleter< TARGET_TYPE >> ColumnDataPtr
std::conditional_t< is_cuda_compiler(), DeviceArrayDatum, HostArrayDatum > ArrayDatum
Definition: sqltypes.h:217
CONSTEXPR DEVICE bool is_null(const T &value)
template<typename SOURCE_TYPE, typename TARGET_TYPE>
void NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::setValueCaster ( CasterFunc  caster)
inline

Definition at line 89 of file TargetValueConvertersImpl.h.

89 { checked_caster_ = caster; }

Member Data Documentation

template<typename SOURCE_TYPE, typename TARGET_TYPE>
CasterFunc NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::checked_caster_ = nullptr
template<typename SOURCE_TYPE, typename TARGET_TYPE>
bool NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::do_null_check_
template<typename SOURCE_TYPE, typename TARGET_TYPE>
TARGET_TYPE NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::fixed_array_null_value_
template<typename SOURCE_TYPE, typename TARGET_TYPE>
SOURCE_TYPE NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::null_check_value_
template<typename SOURCE_TYPE, typename TARGET_TYPE>
TARGET_TYPE NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::null_value_
template<typename SOURCE_TYPE, typename TARGET_TYPE>
boost_variant_accessor<SOURCE_TYPE> NumericValueConverter< SOURCE_TYPE, TARGET_TYPE >::SOURCE_TYPE_ACCESSOR

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