backend::objects::member

Function coalesce

Source 
pub fn coalesce<x, y, z>(
    x: x,
    y: y,
    z: z,
) -> coalesce<<x as AsExpression<Nullable<VarChar>>>::Expression, <y as AsExpression<Nullable<VarChar>>>::Expression, <z as AsExpression<VarChar>>::Expression>
where
    x: AsExpression<Nullable<VarChar>>,
    y: AsExpression<Nullable<VarChar>>,
    z: AsExpression<VarChar>,