void DocumentSourceSort::addToBsonArray(BSONArrayBuilder *pBuilder, bool explain) const {
if (explain) { // always one obj for combined $sort + $limit
BSONObjBuilder sortObj (pBuilder->subobjStart());
BSONObjBuilder insides (sortObj.subobjStart(sortName));
BSONObjBuilder sortKey (insides.subobjStart("sortKey"));
sortKeyToBson(&sortKey, false);
sortKey.doneFast();
if (explain && limitSrc) {
insides.appendNumber("limit", limitSrc->getLimit());
}
insides.doneFast();
sortObj.doneFast();
}
else { // one obj for $sort + maybe one obj for $limit
{
BSONObjBuilder sortObj (pBuilder->subobjStart());
BSONObjBuilder insides (sortObj.subobjStart(sortName));
sortKeyToBson(&insides, false);
insides.doneFast();
sortObj.doneFast();
}
if (limitSrc) {
limitSrc->addToBsonArray(pBuilder, explain);
}
}
}
void DocumentSourceSort::sourceToBson(
BSONObjBuilder *pBuilder, bool explain) const {
BSONObjBuilder insides;
sortKeyToBson(&insides, false);
pBuilder->append(sortName, insides.done());
}
