anonymous_namespace{HashTable.cpp}::perfect_hash Namespace Reference

Functions
void	to_set_one_to_one (const int32_t *const ptr4, size_t entry_count, DecodedJoinHashBufferSet &s)
void	to_set_one_to_many (const int32_t *const ptr2, const int32_t *const ptr3, const int32_t *const ptr4, size_t entry_count, DecodedJoinHashBufferSet &s)

Function Documentation

void anonymous_namespace{HashTable.cpp}::perfect_hash::to_set_one_to_many	(	const int32_t *const	ptr2,
		const int32_t *const	ptr3,
		const int32_t *const	ptr4,
		size_t	entry_count,
		DecodedJoinHashBufferSet &	s
	)

Definition at line 43 of file HashTable.cpp.

References DecodedJoinHashBufferEntry::key, and DecodedJoinHashBufferEntry::payload.

Referenced by HashTable::toSet().

                                                     {
  auto empty = -1;
  auto ptr = ptr2;
  for (size_t e = 0; e < entry_count; ++e, ++ptr) {
    if (*ptr == empty) {
      continue;
    }

    decltype(DecodedJoinHashBufferEntry::key) key;
    key.push_back(e);

    int32_t offset = ptr2[e];

    int32_t count = ptr3[e];

    decltype(DecodedJoinHashBufferEntry::payload) payload;
    for (size_t j = 0; j < static_cast<size_t>(count); ++j) {
      payload.insert(ptr4[offset + j]);
    }

    s.insert({std::move(key), std::move(payload)});
  }
}

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void anonymous_namespace{HashTable.cpp}::perfect_hash::to_set_one_to_one	(	const int32_t *const	ptr4,
		size_t	entry_count,
		DecodedJoinHashBufferSet &	s
	)

Definition at line 23 of file HashTable.cpp.

References DecodedJoinHashBufferEntry::key, and DecodedJoinHashBufferEntry::payload.

Referenced by HashTable::toSet().

                                                    {
  const auto empty = -1;
  auto ptr = ptr4;
  for (size_t e = 0; e < entry_count; ++e, ++ptr) {
    if (*ptr == empty) {
      continue;
    }

    decltype(DecodedJoinHashBufferEntry::key) key;
    key.push_back(e);

    decltype(DecodedJoinHashBufferEntry::payload) payload;
    payload.insert(*ptr);

    s.insert({std::move(key), std::move(payload)});
  }
}

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