Converts a geometry object to its MULTI equivalent.
Syntax
geometry ST_Multi(geometry g1);Parameters
| Parameter | Description |
|---|---|
g1 | The geometry object to convert. |
Usage notes
If g1 is already a MULTI geometry object, ST_Multi returns it unchanged.
Examples
Convert a LINESTRING to a MULTILINESTRING:
SELECT ST_AsText(ST_Multi(ST_GeomFromText('LINESTRING(1 1,2 1)')));Output:
st_astext
----------------------------
MULTILINESTRING((1 1,2 1))
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