ST_IsValid
MariaDB starting with 11.7
ST_IsValid was added in MariaDB 11.7.
Syntax
ST_IsValid(g)
Description
Given a geometry input, returns 1 if the argument is geometrically valid, 0 if the argument is not geometrically valid.
Unlike ST_Validate, requires valid GIS data, or ERROR 3037 (22023): Invalid GIS data provided to function st_isvalid is returned.
Examples
SELECT ST_IsValid(ST_GeomFromText('LINESTRING (0 0, 1 1)')); +------------------------------------------------------+ | ST_IsValid(ST_GeomFromText('LINESTRING (0 0, 1 1)')) | +------------------------------------------------------+ | 1 | +------------------------------------------------------+ SELECT ST_IsValid(ST_GeomFromText('LINESTRING (0 0, 0 0)')); +------------------------------------------------------+ | ST_IsValid(ST_GeomFromText('LINESTRING (0 0, 0 0)')) | +------------------------------------------------------+ | 0 | +------------------------------------------------------+
A POINT requires both x and y co-ordinates:
SELECT ST_IsValid(ST_GeomFromText('POINT (0)')); ERROR 3037 (22023): Invalid GIS data provided to function st_isvalid.
See Also
Content reproduced on this site is the property of its respective owners,
and this content is not reviewed in advance by MariaDB. The views, information and opinions
expressed by this content do not necessarily represent those of MariaDB or any other party.
