Method fetch

src/jrd/ExtEngineManager.cpp:857–878

bool ExtEngineManager::ResultSet::fetch(thread_db* tdbb)
{
	bool wasFirstFetch = firstFetch;
	firstFetch = false;

	if (!resultSet)
		return wasFirstFetch;

	const MetaString& userName = procedure->prc->invoker ? procedure->prc->invoker->getUserName() : "";
	ContextManager<IExternalProcedure> ctxManager(tdbb, attInfo, charSet,
		(procedure->prc->getName().package.isEmpty() ?
			CallerName(obj_procedure, procedure->prc->getName().identifier, userName) :
			CallerName(obj_package_header, procedure->prc->getName().package, userName)));

	EngineCheckout cout(tdbb, FB_FUNCTION, checkoutType(attInfo->engine));

	FbLocalStatus status;
	bool ret = resultSet->fetch(&status);
	status.check();

	return ret;
}


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