HashEntryInfo Struct Reference

#include <HashJoinRuntime.h>

Public Member Functions
size_t	getNormalizedHashEntryCount () const
bool	operator! () const

Public Attributes
size_t	hash_entry_count
int64_t	bucket_normalization

Detailed Description

Definition at line 43 of file HashJoinRuntime.h.

Member Function Documentation

getNormalizedHashEntryCount()

size_t HashEntryInfo::getNormalizedHashEntryCount ( ) const

inline

Definition at line 47 of file HashJoinRuntime.h.

References bucket_normalization, and CHECK_GT.

Referenced by fill_one_to_many_hash_table_bucketized(), JoinHashTable::getInstance(), JoinHashTable::initOneToManyHashTableOnCpu(), JoinHashTable::initOneToOneHashTableOnCpu(), and operator!().

                                                    {
    CHECK_GT(bucket_normalization, 0);
    auto modulo_res = hash_entry_count % static_cast<size_t>(bucket_normalization);
    auto entry_count = hash_entry_count / static_cast<size_t>(bucket_normalization);
    if (modulo_res) {
      return entry_count + 1;
    }
    return entry_count;
  }

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operator!()

bool HashEntryInfo::operator! ( ) const

inline

Definition at line 57 of file HashJoinRuntime.h.

References getNormalizedHashEntryCount().

{ return !(this->getNormalizedHashEntryCount()); }

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Member Data Documentation

bucket_normalization

int64_t HashEntryInfo::bucket_normalization

Definition at line 45 of file HashJoinRuntime.h.

Referenced by fill_one_to_many_hash_table_bucketized(), getNormalizedHashEntryCount(), and JoinHashTable::initOneToOneHashTableOnCpu().

hash_entry_count

size_t HashEntryInfo::hash_entry_count

Definition at line 44 of file HashJoinRuntime.h.

Referenced by fill_one_to_many_hash_table().

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

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