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Results tagged with mysql-spatial
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user 1872
MySQL spatial refers to the Extensions for Spatial Data, that enable the generation, storage, and analysis of geographic features.
9
votes
how to find 20 closest points efficiently
With PostGIS 2.0 on PostgreSQL 9.1, you can use the KNN indexed nearest neighbour operator, e.g.:
SELECT *, geom <-> ST_MakePoint(-90, 40) AS distance
FROM table
ORDER BY geom <-> ST_MakePoint(-90, 4 …
- 42.4k