Function getDBCollectionPair

src/ExtMsg.actor.cpp:67–74

ns -> database.collection

// ns -> database.collection
Namespace getDBCollectionPair(const char* ns, std::pair<std::string, std::string> errMsg) {
	const auto dotPtr = strchr(ns, '.');
	if (dotPtr == nullptr) {
		TraceEvent(SevWarn, "WireBadCollectionName").detail(errMsg.first, errMsg.second).suppressFor(1.0);
		throw wire_protocol_mismatch();
	}
	return std::make_pair(std::string(ns, dotPtr - ns), std::string(dotPtr + 1));
}

/**
 * query := { $bool_op : [ query* ],   *          (a predicate)