#include <BaselineHashTable.h>

Inheritance diagram for BaselineHashTableEntryInfo:

Collaboration diagram for BaselineHashTableEntryInfo:

Public Member Functions
	BaselineHashTableEntryInfo (size_t num_hash_entries, size_t num_keys, size_t rowid_size_in_bytes, size_t num_join_keys, size_t join_key_size_in_byte, HashType layout, bool for_window_framing=false)

size_t	computeTotalNumSlots () const override

size_t	computeKeySize () const

size_t	computeNumAdditionalSlotsForOneToManyJoin () const

size_t	computeHashTableSize () const override

size_t	getNumJoinKeys () const

size_t	getJoinKeysSize () const

Public Member Functions inherited from HashTableEntryInfo
	HashTableEntryInfo (size_t num_hash_entries, size_t num_keys, size_t rowid_size_in_bytes, HashType layout, bool for_window_framing=false)

size_t	getNumHashEntries () const

size_t	getNumKeys () const

size_t	getRowIdSizeInBytes () const

HashType	getHashTableLayout () const

void	setNumHashEntries (size_t num_hash_entries)

void	setNumKeys (size_t num_keys)

void	setRowIdSizeInBytes (size_t rowid_size_in_bytes)

void	setHashTableLayout (HashType layout)

bool	forWindowFraming () const

Private Attributes
size_t const	num_join_keys_

size_t const	join_key_size_in_byte_

Additional Inherited Members
Protected Attributes inherited from HashTableEntryInfo
size_t	num_hash_entries_

size_t	num_keys_

size_t	rowid_size_in_bytes_

HashType	layout_

bool	for_window_framing_

Detailed Description

Definition at line 26 of file BaselineHashTable.h.

Constructor & Destructor Documentation

BaselineHashTableEntryInfo::BaselineHashTableEntryInfo	(	size_t	num_hash_entries,
		size_t	num_keys,
		size_t	rowid_size_in_bytes,
		size_t	num_join_keys,
		size_t	join_key_size_in_byte,
		HashType	layout,
		bool	for_window_framing = `false`
	)

inline

Definition at line 28 of file BaselineHashTable.h.

       : HashTableEntryInfo(num_hash_entries,
                            num_keys,
                            rowid_size_in_bytes,
                            layout,
                            for_window_framing)
       , num_join_keys_(num_join_keys)
       , join_key_size_in_byte_(join_key_size_in_byte) {}

Member Function Documentation

size_t BaselineHashTableEntryInfo::computeHashTableSize ( ) const

inlineoverridevirtual

Implements HashTableEntryInfo.

Definition at line 56 of file BaselineHashTable.h.

References computeKeySize(), computeNumAdditionalSlotsForOneToManyJoin(), computeTotalNumSlots(), and HashTableEntryInfo::rowid_size_in_bytes_.

Referenced by BaselineJoinHashTableBuilder::allocateDeviceMemory(), BaselineHashTable::BaselineHashTable(), BaselineHashTable::getHashTableBufferSize(), and BaselineJoinHashTableBuilder::initHashTableOnCpu().

                                                {
     return computeTotalNumSlots() * computeKeySize() +
            computeNumAdditionalSlotsForOneToManyJoin() * rowid_size_in_bytes_;
   }

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size_t BaselineHashTableEntryInfo::computeKeySize ( ) const

inline

Definition at line 45 of file BaselineHashTable.h.

References join_key_size_in_byte_, HashTableEntryInfo::layout_, num_join_keys_, and OneToOne.

Referenced by computeHashTableSize(), and BaselineJoinHashTableBuilder::initHashTableOnGpu().

                                 {
     auto const entry_cnt = (num_join_keys_ + (layout_ == HashType::OneToOne ? 1 : 0));
     return entry_cnt * join_key_size_in_byte_;
   }

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size_t BaselineHashTableEntryInfo::computeNumAdditionalSlotsForOneToManyJoin ( ) const

inline

Definition at line 50 of file BaselineHashTable.h.

References HashTableEntryInfo::for_window_framing_, HashTableEntryInfo::layout_, HashJoin::layoutRequiresAdditionalBuffers(), HashTableEntryInfo::num_hash_entries_, and HashTableEntryInfo::num_keys_.

Referenced by computeHashTableSize().

                                                            {
     return HashJoin::layoutRequiresAdditionalBuffers(layout_)
                ? 2 * num_hash_entries_ + (num_keys_ * (1 + (for_window_framing_)))
                : 0;
   }