Struct tidb_query_executors::simple_aggr_executor::SimpleAggregationImpl [−][src]
Fields
states: Vec<Box<dyn AggrFunctionState>>Trait Implementations
impl<Src: BatchExecutor> AggregationExecutorImpl<Src> for SimpleAggregationImpl[src]
fn prepare_entities(&mut self, entities: &mut Entities<Src>)[src]
fn process_batch_input(
&mut self,
entities: &mut Entities<Src>,
input_physical_columns: LazyBatchColumnVec,
input_logical_rows: &[usize]
) -> Result<()>[src]
&mut self,
entities: &mut Entities<Src>,
input_physical_columns: LazyBatchColumnVec,
input_logical_rows: &[usize]
) -> Result<()>
fn groups_len(&self) -> usize[src]
fn iterate_available_groups(
&mut self,
entities: &mut Entities<Src>,
src_is_drained: bool,
iteratee: impl FnMut(&mut Entities<Src>, &[Box<dyn AggrFunctionState>]) -> Result<()>
) -> Result<Vec<LazyBatchColumn>>[src]
&mut self,
entities: &mut Entities<Src>,
src_is_drained: bool,
iteratee: impl FnMut(&mut Entities<Src>, &[Box<dyn AggrFunctionState>]) -> Result<()>
) -> Result<Vec<LazyBatchColumn>>
fn is_partial_results_ready(&self) -> bool[src]
Simple aggregation can output aggregate results only if the source is drained.
Auto Trait Implementations
impl !RefUnwindSafe for SimpleAggregationImpl
impl Send for SimpleAggregationImpl
impl !Sync for SimpleAggregationImpl
impl Unpin for SimpleAggregationImpl
impl !UnwindSafe for SimpleAggregationImpl
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized, [src]
T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized, [src]
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized, [src]
T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T[src]
impl<V, W> ConvertFrom<W> for V where
W: ConvertTo<V>, [src]
W: ConvertTo<V>,
pub fn convert_from(ctx: &mut EvalContext, from: W) -> Result<V, Error>[src]
impl<T> From<T> for T[src]
impl<T> Instrument for T[src]
pub fn instrument(self, span: Span) -> Instrumented<Self>[src]
pub fn in_current_span(self) -> Instrumented<Self>[src]
impl<T, U> Into<U> for T where
U: From<T>, [src]
U: From<T>,
impl<T> Pointable for T[src]
pub const ALIGN: usize[src]
type Init = T
The type for initializers.
pub unsafe fn init(init: <T as Pointable>::Init) -> usize[src]
pub unsafe fn deref<'a>(ptr: usize) -> &'a T[src]
pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T[src]
pub unsafe fn drop(ptr: usize)[src]
impl<T> Same<T> for T[src]
type Output = T
Should always be Self
impl<T> Sealed<T> for T where
T: ?Sized, [src]
T: ?Sized,
impl<T, U> TryFrom<U> for T where
U: Into<T>, [src]
U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]
impl<T, U> TryInto<U> for T where
U: TryFrom<T>, [src]
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]
impl<V, T> VZip<V> for T where
V: MultiLane<T>, [src]
V: MultiLane<T>,