stitch_support_v1_update(mongo::ServiceContext::UniqueClient client,
mongo::BSONObj updateExpr,
mongo::BSONArray arrayFilters,
stitch_support_v1_matcher* matcher,
stitch_support_v1_collator* collator)
: client(std::move(client)),
opCtx(this->client->makeOperationContext()),
updateExpr(updateExpr.getOwned()),
arrayFilters(arrayFilters.getOwned()),
matcher(matcher),
updateDriver(new mongo::ExpressionContext(
opCtx.get(), collator ? collator->collator.get() : nullptr)) {
std::vector<mongo::BSONObj> arrayFilterVector;
for (auto&& filter : this->arrayFilters) {
arrayFilterVector.push_back(filter.embeddedObject());
}
this->parsedFilters = uassertStatusOK(mongo::ParsedUpdate::parseArrayFilters(
arrayFilterVector, this->opCtx.get(), collator ? collator->collator.get() : nullptr));
// Initializing the update as single-document allows document-replacement updates.
bool multi = false;
updateDriver.parse(this->updateExpr, parsedFilters, multi);
uassert(51037,
"Updates with a positional operator require a matcher object.",
matcher || !updateDriver.needMatchDetails());
}
stitch_support_v1_matcher(mongo::ServiceContext::UniqueClient client,
const mongo::BSONObj& filterBSON,
stitch_support_v1_collator* collator)
: client(std::move(client)),
opCtx(this->client->makeOperationContext()),
matcher(filterBSON.getOwned(),
new mongo::ExpressionContext(opCtx.get(),
collator ? collator->collator.get() : nullptr)){};
stitch_support_v1_projection(mongo::ServiceContext::UniqueClient client,
const mongo::BSONObj& pattern,
stitch_support_v1_matcher* matcher,
stitch_support_v1_collator* collator)
: client(std::move(client)),
opCtx(this->client->makeOperationContext()),
projectionExec(opCtx.get(),
pattern.getOwned(),
matcher ? matcher->matcher.getMatchExpression() : nullptr,
collator ? collator->collator.get() : nullptr),
matcher(matcher) {
uassert(51050,
"Projections with a positional operator require a matcher",
matcher || !projectionExec.projectRequiresQueryExpression());
uassert(51051,
"$textScore, $sortKey, $recordId, $geoNear and $returnKey are not allowed in this "
"context",
!projectionExec.hasMetaFields() && !projectionExec.returnKey());
}