DocumentSourceGraphLookUp::DocumentSourceGraphLookUp(
NamespaceString from,
std::string as,
std::string connectFromField,
std::string connectToField,
boost::intrusive_ptr<Expression> startWith,
boost::optional<BSONObj> additionalFilter,
boost::optional<FieldPath> depthField,
boost::optional<long long> maxDepth,
const boost::intrusive_ptr<ExpressionContext>& expCtx)
: DocumentSourceNeedsMongod(expCtx),
_from(std::move(from)),
_as(std::move(as)),
_connectFromField(std::move(connectFromField)),
_connectToField(std::move(connectToField)),
_startWith(std::move(startWith)),
_additionalFilter(additionalFilter),
_depthField(depthField),
_maxDepth(maxDepth),
_visited(ValueComparator::kInstance.makeUnorderedValueMap<BSONObj>()),
_cache(expCtx->getValueComparator()) {}
AccumulatorAddToSet::AccumulatorAddToSet(const boost::intrusive_ptr<ExpressionContext>& expCtx)
: Accumulator(expCtx), _set(expCtx->getValueComparator().makeUnorderedValueSet()) {
_memUsageBytes = sizeof(*this);
}