I am using PostGis to search for all points within a given range, relative to a given origin. I am looking at all the documentation provided by PostGis but can’t seem to figure out how would I come up …
Tag: geospatial
Athena geospatial SQL joins never complete
A very basic geospatial join, based on this example, times out every time. The table polygons contains 340K polygons, while points contains 5K rows with latitude/longitude pairs (and an ID). Both are single .csv files in S3. Query: The SQL query above never completes in the default 30-minute Athena query time…
Use MySQL spatial extensions to select points inside circle
I have a table called flags that contains a column called coordinates that is full of MySQL ‘points’. I need to perform a query where I get all the flags within a circle based on a latitude and longitude position with 100m radius. From a usage point of view this is based around the user’s po…
MySQL INSERT/UPDATE on POINT column
I’m trying to populate my DB with geographical places of my country. One of my tables have 4 fields: ID[PK], latitude. longitude ande geoPoint EDIT `SCDBs`.`Punto_Geografico`; SET @lat = 18.469692; …