Function ST_Transform 

pub fn ST_Transform<G: Into<Geometry>, g, target_srid>(
    g: g,
    target_srid: target_srid,
) -> ST_Transform<G, <g as AsExpression<G>>::Expression, <target_srid as AsExpression<Integer>>::Expression>
where
    g: AsExpression<G>,
    target_srid: AsExpression<Integer>,

Represents the MySQL ST_Transform function.