C++ (Cpp) Page::canStoreTuple示例

示例#1

文件： generator_int.cpp 项目： aveek0218/ImpalaPythia

Operator::GetNextResultT IntGeneratorOp::getNext(unsigned short threadid)
{
	dbgassert(output.at(threadid) != NULL);
	Page* out = output[threadid];
	out->clear();

	while (out->canStoreTuple())
	{
		void* tuple = produceOne(threadid);
		if (tuple == NULL)
			return make_pair(Finished, out);

		void* target = out->allocateTuple();
		dbgassert(target != NULL);

		schema.copyTuple(target, tuple);
	}

	return make_pair(Ready, out);
}