EC
3235
MariaDBERRORNotableGIS / SpatialHIGH confidence

Unsupported spatial operation for the given geometry types

Production Risk

Low — query error; no data affected.

Why it happens
  1. 1The spatial operation is not supported for the provided geometry type combination.
  2. 2Attempting operations not defined for geometry collections or mixed type inputs.
How to reproduce
trigger — this will error
trigger — this will error
SELECT ST_Buffer(ST_GeomFromText('GEOMETRYCOLLECTION EMPTY'), 10);

expected output

ERROR 3235 (HY000): Unsupported spatial operation.

Fix 1

Use supported geometry types for the operation

Use supported geometry types for the operation
SELECT ST_Buffer(ST_GeomFromText('POINT(1 1)'), 10);

Why this works

ST_Buffer() supports simple geometry types; check which types each function accepts.

Fix 2

Decompose geometry collections

Decompose geometry collections
-- Use ST_GeometryN() to extract individual geometries from collections.

Why this works

Operating on individual geometries avoids unsupported collection operations.

What not to do

✕

Sources
Official documentation ↗

MySQL 8.0 — 3235 ER_GIS_UNSUPPORTED_OPERATION

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