Struct tikv::coprocessor::statistics::analyze::RowSampleBuilder[−][src]

struct RowSampleBuilder<S: Snapshot> {
    data: BatchTableScanExecutor<TiKVStorage<SnapshotStore<S>>>,
    max_sample_size: usize,
    max_fm_sketch_size: usize,
    columns_info: Vec<ColumnInfo>,
    column_groups: Vec<AnalyzeColumnGroup>,
}

Fields

data: BatchTableScanExecutor<TiKVStorage<SnapshotStore<S>>>max_sample_size: usizemax_fm_sketch_size: usizecolumns_info: Vec<ColumnInfo>column_groups: Vec<AnalyzeColumnGroup>

Implementations

impl<S: Snapshot> RowSampleBuilder<S>[src][−]

fn new(
    req: AnalyzeColumnsReq,
    storage: TiKVStorage<SnapshotStore<S>>,
    ranges: Vec<KeyRange>
) -> Result<Self>[src]

async fn collect_column_stats(&mut self) -> Result<AnalyzeSamplingResult>[src]

Auto Trait Implementations

impl<S> !RefUnwindSafe for RowSampleBuilder<S>

impl<S> Send for RowSampleBuilder<S>

impl<S> !Sync for RowSampleBuilder<S>

impl<S> Unpin for RowSampleBuilder<S> where
    S: Unpin,
    <S as Snapshot>::Iter: Unpin, 

impl<S> UnwindSafe for RowSampleBuilder<S> where
    S: UnwindSafe,
    <S as Snapshot>::Iter: UnwindSafe, 

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src][+]

impl<T> Borrow<T> for T where
    T: ?Sized, [src][+]

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src][+]

impl<V, W> ConvertFrom<W> for V where
    W: ConvertTo<V>, [src][+]

impl<T> From<T> for T[src][+]

impl<T> Instrument for T[src][+]

impl<T, U> Into<U> for T where
    U: From<T>, [src][+]

impl<T> Pointable for T[src][+]

type Init = T

The type for initializers.

impl<T> Pointable for T[src][+]

type Init = T

The type for initializers.

impl<T> Same<T> for T[src]

type Output = T

Should always be Self

impl<T> Sealed<T> for T where
    T: ?Sized, [src]

impl<T> SendSyncUnwindSafe for T where
    T: Send + Sync + UnwindSafe + ?Sized, [src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src][+]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src][+]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<V, T> VZip<V> for T where
    V: MultiLane<T>, [src][+]