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geosort: Remove rtree unwrap

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Louis Dureuil 2023-05-03 09:52:16 +02:00
parent c85392ce40
commit 342c4ff85d
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1 changed files with 15 additions and 8 deletions
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23
milli/src/search/new/geo_sort.rs
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@ -109,16 +109,23 @@ impl<Q: RankingRuleQueryTrait> GeoSort<Q> {
debug_assert!(self.field_ids.is_some(), "fill_buffer can't be called without the lat&lng");
debug_assert!(self.cached_sorted_docids.is_empty());
// if we had an rtree and the strategy doesn't require one anymore we can drop it
let use_rtree = self.strategy.use_rtree(self.geo_candidates.len() as usize);
if use_rtree && self.rtree.is_none() {
self.rtree = Some(ctx.index.geo_rtree(ctx.txn)?.expect("geo candidates but no rtree"));
}
// lazily initialize the rtree if needed by the strategy, and cache it in `self.rtree`
let rtree = if self.strategy.use_rtree(self.geo_candidates.len() as usize) {
if let Some(rtree) = self.rtree.as_ref() {
// get rtree from cache
Some(rtree)
} else {
let rtree = ctx.index.geo_rtree(ctx.txn)?.expect("geo candidates but no rtree");
// insert rtree in cache and returns it.
// Can't use `get_or_insert_with` because getting the rtree from the DB is a fallible operation.
Some(&*self.rtree.insert(rtree))
}
} else {
None
};
let cache_size = self.strategy.cache_size();
if use_rtree {
let rtree = self.rtree.as_ref().unwrap();
if let Some(rtree) = rtree {
if self.ascending {
let point = lat_lng_to_xyz(&self.point);
for point in rtree.nearest_neighbor_iter(&point) {