relpipe-in-cli.cpp
author František Kučera <franta-hg@frantovo.cz>
Sun, 22 Jul 2018 17:19:33 +0200
branchv_0
changeset 7 9ac885dd8037
parent 6 4585c212a767
child 8 c1472544d95a
permissions -rw-r--r--
writeAttribute() with raw pointer and type_info

#include <cstdlib>
#include <memory>

#include <tuple>

#include <RelationalWriter.h>
#include <Factory.h>
#include <TypeId.h>

int main(int argc, char** argv) {
	using namespace relpipe::writer;
	std::shared_ptr<RelationalWriter> writer(Factory::create(std::cout));


	// All strings
	writer->startRelation(L"my_first_table",{
		{L"a1", TypeId::STRING},
		{L"a2", TypeId::STRING},
		{L"a3", TypeId::STRING}
	}, true);

	writer->writeRecord({L"1.1", L"1.2", L"1.3"});
	writer->writeRecord({L"2.1", L"2.2", L"2.3"});
	writer->writeRecord({L"3.1", L"3.2", L"3.3"});


	// Various data types passed as strings
	writer->startRelation(L"my_second_table",{
		{L"s", TypeId::STRING},
		{L"i", TypeId::INTEGER},
		{L"b", TypeId::BOOLEAN}
	}, true);

	writer->writeRecord({L"a", L"1", L"true"});
	writer->writeRecord({L"b", L"2", L"false"});
	writer->writeRecord({L"c", L"3", L"true"});


	// Various data types passed as raw pointers + typeids
	writer->startRelation(L"my_raw_table",{
		{L"s", TypeId::STRING},
		{L"i", TypeId::INTEGER},
		{L"b", TypeId::BOOLEAN}
	}, true);

	for (int i = 0; i < 3; i++) {
		string_t sValue = L"s";
		integer_t iValue = i;
		boolean_t bValue = i % 2 == 0;

		writer->writeAttribute(&sValue, typeid(sValue));
		writer->writeAttribute(&iValue, typeid(iValue));
		writer->writeAttribute(&bValue, typeid(bValue));
	}

	return 0;
}