Returns TRUE if the geometry is well formed.
 

1 geo.isValid

<geo.isValid>
    <geom_column /> *
</geo.isValid>
Example
Copy
<select>
    <columns>
        <geo.isWktValid>a.the_geom</geo.isWktValid>,

        -- TRUE
        <geo.isValid ora_iswkt='y'>
            <geo.asWkt>
                <geo.polygon>
                   <coords>0 0,0 1,1 1,1 0,0 0</coords>
                   <srid>4326</srid>
                </geo.polygon>
            </geo.asWkt>
        </geo.isWktValid>,

        -- FALSE
        <geo.isValid>
            <geo.polygon>
               <coords>0 0,0 1,1 1,1 0,23 0</coords>
               <srid>4326</srid>
            </geo.polygon>
        </geo.isValid>,
    </columns>
    <from table='dual' alias='a' />
</select>