pub fn is_identity(&self) -> bool {
            self.mfp.mfp.is_identity()
                && self.lower_bounds.is_empty()
                && self.upper_bounds.is_empty()
        }
/// Indicates if the planned `MapFilterProject` emits exactly its inputs as outputs.
Indicates if the planned `MapFilterProject` emits exactly its inputs as outputs.
Indicates if the planned ` MapFilterProject ` emits exactly its inputs as outputs .
pub fn is_identity(&self) -> bool {
            self.mfp.mfp.is_identity()
                && self.lower_bounds.is_empty()
                && self.upper_bounds.is_empty()
        }
pub fn is_identity ( & self ) -> bool { self . mfp . mfp . is_identity ( ) && self . lower_bounds . is_empty ( ) && self . upper_bounds . is_empty ( ) }
Indicates if the planned `MapFilterProject` emits exactly its inputs as outputs.
Indicates if the planned ` MapFilterProject ` emits exactly its inputs as outputs .
&self
&self