relpipe-in-cli.cpp
author František Kučera <franta-hg@frantovo.cz>
Sun, 22 Jul 2018 22:22:05 +0200
branchv_0
changeset 8 c1472544d95a
parent 7 9ac885dd8037
child 9 3be327f67cdd
permissions -rw-r--r--
replace writeRecord() with sequence of writeAttribute()

#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));


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

	writer->writeAttribute(L"a");
	writer->writeAttribute(L"1");
	writer->writeAttribute(L"true");

	writer->writeAttribute(L"b");
	writer->writeAttribute(L"2");
	writer->writeAttribute(L"false");


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

	string_t sValue;
	integer_t iValue;
	boolean_t bValue;

	for (int i = 0; i < 3; i++) {
		sValue.append(L"a");
		iValue = i;
		bValue = i % 2 == 0;
		writer->writeAttribute(&sValue, typeid (sValue));
		writer->writeAttribute(&iValue, typeid (iValue));
		writer->writeAttribute(&bValue, typeid (bValue));
	}

	return 0;
}