Method printFoundOrder

src/jrd/optimizer/InnerJoin.cpp:729–760

Dump currently passed streams to a debug file

// Dump currently passed streams to a debug file
void InnerJoin::printFoundOrder(StreamType position,
								double positionCost,
								double positionCardinality,
								double cost,
								double cardinality) const
{
	for (auto i = position - 1; i > 0; i--)
		optimizer->printf("  ");

	optimizer->printf("  #%2.2u, streams:", position);

	auto iter = joinedStreams.begin();
	const auto end = iter + position;
	for (; iter < end; iter++)
	{
		const auto name = optimizer->getStreamName(iter->number);
		optimizer->printf(" %u (%s)", iter->number, name.c_str());

		if (iter != end - 1)
			optimizer->printf(",");
	}

	optimizer->printf("\n");

	for (auto i = position - 1; i > 0; i--)
		optimizer->printf("  ");

	optimizer->printf("       position cardinality (%10.2f), position cost (%10.2f),", positionCardinality, positionCost);
	optimizer->printf(" cardinality (%10.2f), cost (%10.2f)", cardinality, cost);

	optimizer->printf("\n");
}

// Dump finally selected stream order
void InnerJoin::printStartOrder() const