anonymous_namespace{ArrowImporter.h}::ArrowValueBase< VALUE_TYPE > Struct Template Reference

#include <ArrowImporter.h>

Inheritance diagram for anonymous_namespace{ArrowImporter.h}::ArrowValueBase< VALUE_TYPE >:

Collaboration diagram for anonymous_namespace{ArrowImporter.h}::ArrowValueBase< VALUE_TYPE >:

Public Member Functions
	ArrowValueBase (const DataBufferBase &data, const VALUE_TYPE &v)
template<bool enabled = std::is_integral<VALUE_TYPE>::value>
int64_t	resolve_time (const VALUE_TYPE &v, std::enable_if_t< enabled > *=0) const
template<bool enabled = std::is_integral<VALUE_TYPE>::value>
int64_t	resolve_time (const VALUE_TYPE &v, std::enable_if_t<!enabled > *=0) const

Public Attributes
const DataBufferBase &	data
const VALUE_TYPE	v
const int32_t	dimension

Detailed Description

template<typename VALUE_TYPE>
struct anonymous_namespace{ArrowImporter.h}::ArrowValueBase< VALUE_TYPE >

Definition at line 228 of file ArrowImporter.h.

Constructor & Destructor Documentation

template<typename VALUE_TYPE>

anonymous_namespace{ArrowImporter.h}::ArrowValueBase< VALUE_TYPE >::ArrowValueBase ( const DataBufferBase &  data, const VALUE_TYPE &  v  )

inline

Definition at line 232 of file ArrowImporter.h.

      : data(data)
      , v(v)
      , dimension(data.cd->columnType.is_high_precision_timestamp()
                      ? data.cd->columnType.get_dimension()
                      : 0) {}

Member Function Documentation

template<typename VALUE_TYPE>

template<bool enabled = std::is_integral<VALUE_TYPE>::value>

int64_t anonymous_namespace{ArrowImporter.h}::ArrowValueBase< VALUE_TYPE >::resolve_time ( const VALUE_TYPE &  v, std::enable_if_t< enabled > *  = 0  ) const

inline

Definition at line 239 of file ArrowImporter.h.

                                                                                {
    const auto& type_id = data.arrow_type.id();
    if (type_id == arrow::Type::DATE32 || type_id == arrow::Type::DATE64) {
      auto& date_type = static_cast<const arrow::DateType&>(data.arrow_type);
      switch (date_type.unit()) {
        case arrow::DateUnit::DAY:
          return v * kSecondsInDay;
        case arrow::DateUnit::MILLI:
          return v / kMillisecondsInSecond;
      }
    } else if (type_id == arrow::Type::TIME32 || type_id == arrow::Type::TIME64 ||
               type_id == arrow::Type::TIMESTAMP) {
      auto& time_type = static_cast<const arrow::TimeType&>(data.arrow_type);
      const auto result =
          _precision_scale_lookup.find(std::make_pair(dimension, time_type.unit()));
      if (result != _precision_scale_lookup.end()) {
        const auto scale = result->second;
        return scale.first == kMULTIPLY ? v * scale.second : v / scale.second;
      } else {
        return v;
      }
    }
    UNREACHABLE() << data.arrow_type << " is not a valid Arrow time or date type";
    return 0;
  }

template<typename VALUE_TYPE>

template<bool enabled = std::is_integral<VALUE_TYPE>::value>

int64_t anonymous_namespace{ArrowImporter.h}::ArrowValueBase< VALUE_TYPE >::resolve_time ( const VALUE_TYPE &  v, std::enable_if_t<!enabled > *  = 0  ) const

inline

Definition at line 265 of file ArrowImporter.h.

                                                                                 {
    static_assert(enabled, "unreachable");
    return 0;
  }

Member Data Documentation

template<typename VALUE_TYPE>

const DataBufferBase& anonymous_namespace{ArrowImporter.h}::ArrowValueBase< VALUE_TYPE >::data

Definition at line 229 of file ArrowImporter.h.

Referenced by heavydb.thrift.ttypes.TColumn::read(), heavydb.thrift.ttypes.TInsertData::read(), heavydb.thrift.ttypes.TInsertChunks::read(), heavydb.thrift.ttypes.TColumn::write(), heavydb.thrift.ttypes.TInsertData::write(), and heavydb.thrift.ttypes.TInsertChunks::write().

template<typename VALUE_TYPE>

const int32_t anonymous_namespace{ArrowImporter.h}::ArrowValueBase< VALUE_TYPE >::dimension

Definition at line 231 of file ArrowImporter.h.

template<typename VALUE_TYPE>

const VALUE_TYPE anonymous_namespace{ArrowImporter.h}::ArrowValueBase< VALUE_TYPE >::v

Definition at line 230 of file ArrowImporter.h.

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

• /home/jenkins-slave/workspace/core-os-doxygen/ImportExport/ArrowImporter.h