Struct tikv::coprocessor::statistics::analyze::RowSampleCollector [−][src]
Fields
samples: BinaryHeap<Reverse<(i64, Vec<Vec<u8>>)>>null_count: Vec<i64>count: u64max_sample_size: usizefm_sketches: Vec<FmSketch>rng: StdRngtotal_sizes: Vec<i64>row_buf: Vec<u8>Implementations
impl RowSampleCollector[src]
fn new(
max_sample_size: usize,
max_fm_sketch_size: usize,
col_and_group_len: usize
) -> RowSampleCollector[src]
max_sample_size: usize,
max_fm_sketch_size: usize,
col_and_group_len: usize
) -> RowSampleCollector
pub fn collect_column_group(
&mut self,
columns_val: &[Vec<u8>],
column_groups: &[AnalyzeColumnGroup]
)[src]
&mut self,
columns_val: &[Vec<u8>],
column_groups: &[AnalyzeColumnGroup]
)
pub fn collect_column(&mut self, columns_val: Vec<Vec<u8>>)[src]
pub fn sampling(&mut self, data: Vec<Vec<u8>>)[src]
pub fn into_proto(self) -> RowSampleCollector[src]
Trait Implementations
impl Clone for RowSampleCollector[src]
fn clone(&self) -> RowSampleCollector[src]
pub fn clone_from(&mut self, source: &Self)1.0.0[src]
impl Default for RowSampleCollector[src]
Auto Trait Implementations
impl RefUnwindSafe for RowSampleCollector
impl Send for RowSampleCollector
impl Sync for RowSampleCollector
impl Unpin for RowSampleCollector
impl UnwindSafe for RowSampleCollector
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> 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> SendSyncUnwindSafe for T where
T: Send + Sync + UnwindSafe + ?Sized, [src]
T: Send + Sync + UnwindSafe + ?Sized,
impl<T> ToOwned for T where
T: Clone, [src]
T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T[src]
pub fn clone_into(&self, target: &mut T)[src]
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>,