+ "can't do SDO relate against it: "
+ filter.getClass());
// extract the property name and the geometry literal
BinarySpatialOperator op = (BinarySpatialOperator) filter;
Expression e1 = op.getExpression1();
Expression e2 = op.getExpression2();
if (e1 instanceof Literal && e2 instanceof PropertyName) {
e1 = (PropertyName) op.getExpression2();
e2 = (Literal) op.getExpression1();
}
if (e1 instanceof PropertyName) {
// handle native srid
currentGeometry = null;