RangeKeyHandler Struct Reference

#include <HashJoinKeyHandlers.h>

Collaboration diagram for RangeKeyHandler:

Public Member Functions
	RangeKeyHandler (const bool is_compressed, const size_t key_dims_count, const JoinColumn *join_column, const double *bucket_sizes_for_dimension)
template<typename T , typename KEY_BUFF_HANDLER >
DEVICE int	operator() (JoinColumnIterator *join_column_iterators, T *key_scratch_buff, KEY_BUFF_HANDLER f) const
DEVICE size_t	get_number_of_columns () const
DEVICE size_t	get_key_component_count () const
DEVICE const JoinColumn *	get_join_columns () const
DEVICE const JoinColumnTypeInfo *	get_join_column_type_infos () const

Public Attributes
const bool	is_compressed_
const size_t	key_dims_count_
const JoinColumn *	join_column_
const double *	bucket_sizes_for_dimension_

Detailed Description

Definition at line 181 of file HashJoinKeyHandlers.h.

Constructor & Destructor Documentation

RangeKeyHandler::RangeKeyHandler ( const bool  is_compressed, const size_t  key_dims_count, const JoinColumn *  join_column, const double *  bucket_sizes_for_dimension  )

inlineexplicit

Definition at line 182 of file HashJoinKeyHandlers.h.

      : is_compressed_(is_compressed)
      , key_dims_count_(key_dims_count)
      , join_column_(join_column)
      , bucket_sizes_for_dimension_(bucket_sizes_for_dimension) {}

Member Function Documentation

DEVICE const JoinColumnTypeInfo* RangeKeyHandler::get_join_column_type_infos ( ) const

inline

Definition at line 230 of file HashJoinKeyHandlers.h.

{ return nullptr; }

DEVICE const JoinColumn* RangeKeyHandler::get_join_columns ( ) const

inline

Definition at line 228 of file HashJoinKeyHandlers.h.

References join_column_.

{ return join_column_; }

DEVICE size_t RangeKeyHandler::get_key_component_count ( ) const

inline

Definition at line 226 of file HashJoinKeyHandlers.h.

References key_dims_count_.

{ return key_dims_count_; }

DEVICE size_t RangeKeyHandler::get_number_of_columns ( ) const

inline

Definition at line 224 of file HashJoinKeyHandlers.h.

{ return 1; }

template<typename T , typename KEY_BUFF_HANDLER >

DEVICE int RangeKeyHandler::operator() ( JoinColumnIterator *  join_column_iterators, T *  key_scratch_buff, KEY_BUFF_HANDLER  f  ) const

inline

Definition at line 192 of file HashJoinKeyHandlers.h.

References bucket_sizes_for_dimension_, Geospatial::decompress_latitude_coord_geoint32(), Geospatial::decompress_longitude_coord_geoint32(), anonymous_namespace{Utm.h}::f, fixed_width_double_decode_noinline(), fixed_width_int_decode_noinline(), is_compressed_, key_dims_count_, JoinColumnIterator::ptr(), and SUFFIX.

                                                  {
    double coords[2];

    if (is_compressed_) {
      coords[0] = Geospatial::decompress_longitude_coord_geoint32(
          SUFFIX(fixed_width_int_decode_noinline)(
              join_column_iterators->ptr(), /*byte_width=*/4, 0));
      coords[1] = Geospatial::decompress_latitude_coord_geoint32(
          SUFFIX(fixed_width_int_decode_noinline)(
              join_column_iterators->ptr(), /*byte_width=*/4, 1));
    } else {
      coords[0] =
          SUFFIX(fixed_width_double_decode_noinline)(join_column_iterators->ptr(), 0);
      coords[1] =
          SUFFIX(fixed_width_double_decode_noinline)(join_column_iterators->ptr(), 1);
    }

    const auto x_bucket_sz = bucket_sizes_for_dimension_[0];
    const auto y_bucket_sz = bucket_sizes_for_dimension_[1];

    key_scratch_buff[0] = floor(coords[0] * x_bucket_sz);
    key_scratch_buff[1] = floor(coords[1] * y_bucket_sz);
    const auto err = f(join_column_iterators[0].index, key_scratch_buff, key_dims_count_);
    if (err) {
      return err;
    }

    return 0;
  }

Here is the call graph for this function:

Member Data Documentation

const double* RangeKeyHandler::bucket_sizes_for_dimension_

Definition at line 235 of file HashJoinKeyHandlers.h.

Referenced by operator()().

const bool RangeKeyHandler::is_compressed_

Definition at line 232 of file HashJoinKeyHandlers.h.

Referenced by operator()().

const JoinColumn* RangeKeyHandler::join_column_

Definition at line 234 of file HashJoinKeyHandlers.h.

Referenced by get_join_columns().

const size_t RangeKeyHandler::key_dims_count_

Definition at line 233 of file HashJoinKeyHandlers.h.

Referenced by get_key_component_count(), and operator()().

---

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

• /home/jenkins-slave/workspace/core-os-doxygen/QueryEngine/JoinHashTable/Runtime/HashJoinKeyHandlers.h