Function staticValidateUpdateObject

src/ExtMsg.actor.cpp:965–1002

}

std::vector<std::string> staticValidateUpdateObject(bson::BSONObj update, bool multi, bool upsert) {
	std::set<std::string> affectedFields;
	std::set<std::string> prefixesOfAffectedFields;
	for (auto i = update.begin(); i.more();) {

		auto el = i.next();
		std::string operatorName = el.fieldName();
		if (!el.isABSONObj() || el.Obj().nFields() == 0) {
			throw update_operator_empty_parameter();
		}

		if (upsert && operatorName == DocLayerConstants::SET_ON_INSERT)
			operatorName = DocLayerConstants::SET;

		for (auto j = el.Obj().begin(); j.more();) {
			bson::BSONElement subel = j.next();
			auto fn = std::string(subel.fieldName());
			if (fn == DocLayerConstants::ID_FIELD) {
				if (operatorName != DocLayerConstants::SET && operatorName != DocLayerConstants::SET_ON_INSERT) {
					throw cant_modify_id();
				}
			}
			staticValidateModifiedFields(fn, &affectedFields, &prefixesOfAffectedFields);
			if (operatorName == DocLayerConstants::RENAME) {
				if (!subel.isString())
					throw bad_rename_target();
				staticValidateModifiedFields(subel.String(), &affectedFields, &prefixesOfAffectedFields);
			}
		}
	}

	std::vector<std::string> bannedIndexFields;
	bannedIndexFields.insert(std::end(bannedIndexFields), std::begin(affectedFields), std::end(affectedFields));
	bannedIndexFields.insert(std::end(bannedIndexFields), std::begin(prefixesOfAffectedFields),
	                         std::end(prefixesOfAffectedFields));

	return bannedIndexFields;
}

bool shouldCreateRoot(std::string operatorName) {
	return operatorName == DocLayerConstants::SET || operatorName == DocLayerConstants::INC ||