anonymous_namespace{HashJoin.cpp} Namespace Reference

Functions
template<typename T >
std::string	toStringFlat (const HashJoin *hash_table, const ExecutorDeviceType device_type, const int device_id)
InnerOuter	get_cols (const Analyzer::BinOper *qual_bin_oper, const TemporaryTables *temporary_tables)

Function Documentation

InnerOuter anonymous_namespace{HashJoin.cpp}::get_cols	(	const Analyzer::BinOper *	qual_bin_oper,
		const TemporaryTables *	temporary_tables
	)

Definition at line 1075 of file HashJoin.cpp.

References Analyzer::BinOper::get_left_operand(), Analyzer::BinOper::get_right_operand(), and HashJoin::normalizeColumnPair().

Referenced by PerfectJoinHashTable::codegenMatchingSet(), PerfectJoinHashTable::codegenSlot(), get_shard_count(), PerfectJoinHashTable::getInstance(), and PerfectJoinHashTable::reify().

                                                             {
  const auto lhs = qual_bin_oper->get_left_operand();
  const auto rhs = qual_bin_oper->get_right_operand();
  return HashJoin::normalizeColumnPair(lhs, rhs, temporary_tables).first;
}

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template<typename T >

std::string anonymous_namespace{HashJoin.cpp}::toStringFlat	(	const HashJoin *	hash_table,
		const ExecutorDeviceType	device_type,
		const int	device_id
	)

Definition at line 100 of file HashJoin.cpp.

References HashJoin::getJoinHashBuffer(), HashJoin::getJoinHashBufferSize(), heavydb.dtypes::T, and to_string().

                                              {
  auto mem =
      reinterpret_cast<const T*>(hash_table->getJoinHashBuffer(device_type, device_id));
  auto memsz = hash_table->getJoinHashBufferSize(device_type, device_id) / sizeof(T);
  std::string txt;
  for (size_t i = 0; i < memsz; ++i) {
    if (i > 0) {
      txt += ", ";
    }
    txt += std::to_string(mem[i]);
  }
  return txt;
}

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