Returns the minimum convex geometry which contains all the geometries passed as parameter.
 

1 geo.aggrConvexHull

<geo.aggrConvexHull>
    <geometry_column /> *
</geo.aggrConvexHull>
Example
Copy
<select>
    <columns>
       <geo.aggrConvexHull tol='0.005'>geometry_col</geo.aggrConvexHull>
    </columns>
    <from table='buildings' alias='a' >
    </from>
    <where>
        a.name = 'MACBA'
    </where>
</select>