Method addIndex

src/QLContext.actor.cpp:602–617

    : self(new QueryContextData(layers, tr, path)) {}

void QueryContext::addIndex(Reference<IndexInfo> index) {
	if (index->size() == 1) {
		self->layers = Reference<ITDoc>(new SimpleIndexPlugin(
		    self->prefix, index, Reference<IExpression>(new ExtPathExpression(index->indexKeys[0].first, true, true)),
		    self->layers));
	} else {
		std::vector<std::pair<Reference<IExpression>, int>> exprs(index->size());
		std::transform(index->indexKeys.begin(), index->indexKeys.end(), exprs.begin(),
		               [](std::pair<std::string, int> index_pair) {
			               return std::make_pair(
			                   Reference<IExpression>(new ExtPathExpression(index_pair.first, true, true)),
			                   index_pair.second);
		               });
		self->layers = Reference<ITDoc>(new CompoundIndexPlugin(self->prefix, index, exprs, self->layers));
	}
}

Future<Optional<DataValue>> QueryContext::get(StringRef key) {
	return self->get(key);