ColumnList< T > Struct Template Reference

#include <heavydbTypes.h>

Public Member Functions
DEVICE	ColumnList (int8_t **ptrs, const int64_t num_cols, const int64_t num_rows)
DEVICE int64_t	size () const
DEVICE int64_t	numCols () const
DEVICE Column< T >	operator[] (const int index) const
std::string	toString () const

Public Attributes
int8_t **	ptrs_
int64_t	num_cols_
int64_t	num_rows_

Detailed Description

template<typename T>
struct ColumnList< T >

Definition at line 2484 of file heavydbTypes.h.

Constructor & Destructor Documentation

template<typename T>

DEVICE ColumnList< T >::ColumnList ( int8_t **  ptrs, const int64_t  num_cols, const int64_t  num_rows  )

inline

Definition at line 2489 of file heavydbTypes.h.

      : ptrs_(ptrs), num_cols_(num_cols), num_rows_(num_rows) {}

Member Function Documentation

template<typename T>

DEVICE int64_t ColumnList< T >::numCols ( ) const

inline

Definition at line 2493 of file heavydbTypes.h.

Referenced by CategoricalFeaturesBuilder< T >::CategoricalFeaturesBuilder(), column_list_first_last(), column_list_row_sum__cpu_(), column_list_safe_row_sum__cpu_template(), ct_overload_column_list_test2__cpu_template(), ct_overload_column_list_test__cpu_template(), ct_test_calcite_casting_columnlist__template_cpu_(), ct_test_preflight_multicursor_qe227__cpu_(), ct_test_preflight_singlecursor_qe227__cpu_(), decision_tree_reg_impl(), RasterFormat_Namespace::format_raster_data(), gbt_reg_fit_impl(), GeoRaster< T, Z >::GeoRaster(), linear_reg_fit_impl(), make_features_from_columns(), ml_reg_predict__cpu_template(), ml_reg_predict_impl(), pca_fit_impl(), r2_score__cpu_template(), random_forest_reg_fit_impl(), row_copier_columnlist__cpu__(), TableFunctions_Namespace::strip_column_metadata(), tf_geo_multi_rasterize__cpu_template(), and tf_test_torch_regression().

{ return num_cols_; }

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template<typename T>

DEVICE Column<T> ColumnList< T >::operator[] ( const int  index ) const

inline

Definition at line 2494 of file heavydbTypes.h.

References heavydb.dtypes::T.

                                                     {
    if (index >= 0 && index < num_cols_)
      return {reinterpret_cast<T*>(ptrs_[index]), num_rows_};
    else
      return {nullptr, -1};
  }

template<typename T>

DEVICE int64_t ColumnList< T >::size ( ) const

inline

Definition at line 2492 of file heavydbTypes.h.

Referenced by make_features_from_columns(), pca_fit_impl(), row_copier_columnlist__cpu__(), and TableFunctions_Namespace::strip_column_metadata().

{ return num_rows_; }

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template<typename T>

std::string ColumnList< T >::toString ( ) const

inline

Definition at line 2503 of file heavydbTypes.h.

References run_benchmark_import::result, to_string(), toString(), and typeName().

                             {
    std::string result = ::typeName(this) + "(ptrs=[";
    for (int64_t index = 0; index < num_cols_; index++) {
      result += ::toString(reinterpret_cast<void*>(ptrs_[index])) +
                (index < num_cols_ - 1 ? ", " : "");
    }
    result += "], num_cols=" + std::to_string(num_cols_) +
              ", num_rows=" + std::to_string(num_rows_) + ")";
    return result;
  }

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Member Data Documentation

template<typename T>

int64_t ColumnList< T >::num_cols_

Definition at line 2486 of file heavydbTypes.h.

template<typename T>

int64_t ColumnList< T >::num_rows_

Definition at line 2487 of file heavydbTypes.h.

template<typename T>

int8_t** ColumnList< T >::ptrs_

Definition at line 2485 of file heavydbTypes.h.

Referenced by CategoricalFeaturesBuilder< T >::CategoricalFeaturesBuilder(), and TableFunctions_Namespace::strip_column_metadata().

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

• /home/jenkins-slave/workspace/core-os-doxygen/QueryEngine/heavydbTypes.h