OmniSciDB  0264ff685a
Fragmenter_Namespace::TableInfo Class Reference

#include <Fragmenter.h>

Public Member Functions

 TableInfo ()
 
size_t getNumTuples () const
 
size_t getNumTuplesUpperBound () const
 
size_t getPhysicalNumTuples () const
 
void setPhysicalNumTuples (const size_t physNumTuples)
 
size_t getFragmentNumTuplesUpperBound () const
 

Public Attributes

std::vector< int > chunkKeyPrefix
 
std::vector< FragmentInfofragments
 

Private Attributes

size_t numTuples
 

Detailed Description

Definition at line 146 of file Fragmenter.h.

Constructor & Destructor Documentation

◆ TableInfo()

Fragmenter_Namespace::TableInfo::TableInfo ( )
inline

Definition at line 148 of file Fragmenter.h.

Member Function Documentation

◆ getFragmentNumTuplesUpperBound()

size_t Fragmenter_Namespace::TableInfo::getFragmentNumTuplesUpperBound ( ) const

Definition at line 304 of file InputMetadata.cpp.

304  {
305  if (!fragments.empty() && fragments.front().resultSet) {
306  return fragments.front().resultSet->entryCount();
307  }
308  size_t fragment_num_tupples_upper_bound = 0;
309  for (const auto& fragment : fragments) {
310  fragment_num_tupples_upper_bound =
311  std::max(fragment.getNumTuples(), fragment_num_tupples_upper_bound);
312  }
313  return fragment_num_tupples_upper_bound;
314 }
std::vector< FragmentInfo > fragments
Definition: Fragmenter.h:161

◆ getNumTuples()

size_t Fragmenter_Namespace::TableInfo::getNumTuples ( ) const

Definition at line 290 of file InputMetadata.cpp.

Referenced by PerfectJoinHashTable::genHashTableKey().

290  {
291  if (!fragments.empty() && fragments.front().resultSet) {
292  return fragments.front().getNumTuples();
293  }
294  return numTuples;
295 }
std::vector< FragmentInfo > fragments
Definition: Fragmenter.h:161
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◆ getNumTuplesUpperBound()

size_t Fragmenter_Namespace::TableInfo::getNumTuplesUpperBound ( ) const

Definition at line 297 of file InputMetadata.cpp.

Referenced by OverlapsJoinHashTable::getInstance(), and BaselineJoinHashTable::reifyWithLayout().

297  {
298  if (!fragments.empty() && fragments.front().resultSet) {
299  return fragments.front().resultSet->entryCount();
300  }
301  return numTuples;
302 }
std::vector< FragmentInfo > fragments
Definition: Fragmenter.h:161
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◆ getPhysicalNumTuples()

size_t Fragmenter_Namespace::TableInfo::getPhysicalNumTuples ( ) const
inline

Definition at line 154 of file Fragmenter.h.

Referenced by anonymous_namespace{InputMetadata.cpp}::copy_table_info(), and Fragmenter_Namespace::InsertOrderFragmenter::getFragmentsForQuery().

154 { return numTuples; }
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◆ setPhysicalNumTuples()

void Fragmenter_Namespace::TableInfo::setPhysicalNumTuples ( const size_t  physNumTuples)
inline

Definition at line 156 of file Fragmenter.h.

Referenced by anonymous_namespace{InputMetadata.cpp}::build_table_info(), anonymous_namespace{InputMetadata.cpp}::copy_table_info(), and Fragmenter_Namespace::InsertOrderFragmenter::getFragmentsForQuery().

156 { numTuples = physNumTuples; }
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Member Data Documentation

◆ chunkKeyPrefix

std::vector<int> Fragmenter_Namespace::TableInfo::chunkKeyPrefix

◆ fragments

◆ numTuples

size_t Fragmenter_Namespace::TableInfo::numTuples
mutableprivate

Definition at line 164 of file Fragmenter.h.


The documentation for this class was generated from the following files: