ST_AsGeoJSON

MariaDB starting with 10.2.4

ST_AsGeoJSON was added in MariaDB 10.2.4

Syntax

ST_AsGeoJSON(g[, max_decimals[, options]])

Description

Returns the given geometry g as a GeoJSON element. The optional max_decimals limits the maximum number of decimals displayed.

The optional options flag can be set to 1 to add a bounding box to the output.

Note that this function did not work correctly before MariaDB 10.2.8 - see MDEV-12181.

Examples

SELECT ST_AsGeoJSON(ST_GeomFromText('POINT(5.3 7.2)'));
+-------------------------------------------------+
| ST_AsGeoJSON(ST_GeomFromText('POINT(5.3 7.2)')) |
+-------------------------------------------------+
| {"type": "Point", "coordinates": [5.3, 7.2]}    |
+-------------------------------------------------+

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