both-indexes-use-haversine-filter

Status: IN

Both GeohashIndex.nearby and Quadtree.query_range use the coarse-to-fine pattern: spatial structure narrows candidates, then haversine filters to exact distance

Source: entries/2026/06/05/proximity-service-proximity_service.md

Depended on by

• spatial-queries-combine-adaptive-resolution-with-exact-filtering

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