EC
3230
MySQLERRORNotableGIS / SpatialHIGH confidence

Invalid or malformed spatial data

Production Risk

Medium — spatial queries fail on invalid geometries.

Why it happens
  1. 1Spatial function received a geometry value that is not well-formed according to the OGC standard.
  2. 2Geometry contains self-intersections, invalid coordinate sequences, or corrupt WKB.
How to reproduce
trigger — this will error
trigger — this will error
SELECT ST_Area(ST_GeomFromText('POLYGON((0 0, 1 1, 0 0))'));

expected output

ERROR 3230 (HY000): Invalid GIS data provided to function.

Fix 1

Validate geometry before use

Validate geometry before use
SELECT ST_IsValid(geom_col), ST_Validate(geom_col) FROM t1;

Why this works

ST_IsValid() identifies invalid geometries; ST_Validate() attempts to repair them.

Fix 2

Use ST_MakeValid() for repair

Use ST_MakeValid() for repair
SELECT ST_Area(ST_MakeValid(geom_col)) FROM t1;

Why this works

ST_MakeValid() repairs most invalid geometries.

What not to do

✕

Sources
Official documentation ↗

MySQL 8.0 — 3230 ER_GIS_INVALID_DATA

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