Method execute

src/jrd/ExtEngineManager.cpp:777–791

void ExtEngineManager::Function::execute(thread_db* tdbb, UCHAR* inMsg, UCHAR* outMsg) const
{
	EngineAttachmentInfo* attInfo = extManager->getEngineAttachment(tdbb, engine.get());
	const MetaString& userName = udf->invoker ? udf->invoker->getUserName() : "";
	ContextManager<IExternalFunction> ctxManager(tdbb, attInfo, function,
		(udf->getName().package.isEmpty() ?
			CallerName(obj_udf, udf->getName().identifier, userName) :
			CallerName(obj_package_header, udf->getName().package, userName)));

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

	FbLocalStatus status;
	function->execute(&status, attInfo->context, inMsg, outMsg);
	status.check();
}


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