Extensions
Aggregate Functions
```sql
SELECT ST_Extent_Agg(geom) FROM UNNEST([ST_Point(1,1), ST_Point(5,5)]) AS _(geom);
-- POLYGON ((1 1, 1 5, 5 5, 5 1, 1 1))
```  
----  
#### ST_Extent_Agg {#docs:extensions:spatial:functions::st_extent_agg}