Struct polars_plan::logical_plan::ProjectionPushDown
source · pub struct ProjectionPushDown {
pub is_count_star: bool,
}
Fields§
§is_count_star: bool
Implementations§
source§impl ProjectionPushDown
impl ProjectionPushDown
pub fn optimize( &mut self, logical_plan: ALogicalPlan, lp_arena: &mut Arena<ALogicalPlan>, expr_arena: &mut Arena<AExpr> ) -> PolarsResult<ALogicalPlan>
Auto Trait Implementations§
impl Freeze for ProjectionPushDown
impl RefUnwindSafe for ProjectionPushDown
impl Send for ProjectionPushDown
impl Sync for ProjectionPushDown
impl Unpin for ProjectionPushDown
impl UnwindSafe for ProjectionPushDown
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more