pub struct OptionStats<T> {
pub some: T,
pub none: usize,
}
Expand description
Statistics about a column of some optional type.
Fields§
§some: T
Statistics about the Some
values in the column.
none: usize
The count of None
values in the column.
Trait Implementations§
Source§impl ColumnStats for OptionStats<BytesStats>
impl ColumnStats for OptionStats<BytesStats>
Source§fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
Source§fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
Same as Self::lower but an (also inclusive) upper bound.
Source§fn none_count(&self) -> usize
fn none_count(&self) -> usize
The number of
None
s if this column is optional or 0 if it isn’t.Source§impl ColumnStats for OptionStats<NoneStats>
impl ColumnStats for OptionStats<NoneStats>
Source§fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
Source§fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
Same as Self::lower but an (also inclusive) upper bound.
Source§fn none_count(&self) -> usize
fn none_count(&self) -> usize
The number of
None
s if this column is optional or 0 if it isn’t.Source§impl ColumnStats for OptionStats<PrimitiveStats<String>>
impl ColumnStats for OptionStats<PrimitiveStats<String>>
Source§fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
Source§fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
Same as Self::lower but an (also inclusive) upper bound.
Source§fn none_count(&self) -> usize
fn none_count(&self) -> usize
The number of
None
s if this column is optional or 0 if it isn’t.Source§impl ColumnStats for OptionStats<PrimitiveStats<bool>>
impl ColumnStats for OptionStats<PrimitiveStats<bool>>
Source§fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
Source§fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
Same as Self::lower but an (also inclusive) upper bound.
Source§fn none_count(&self) -> usize
fn none_count(&self) -> usize
The number of
None
s if this column is optional or 0 if it isn’t.Source§impl ColumnStats for OptionStats<PrimitiveStats<f32>>
impl ColumnStats for OptionStats<PrimitiveStats<f32>>
Source§fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
Source§fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
Same as Self::lower but an (also inclusive) upper bound.
Source§fn none_count(&self) -> usize
fn none_count(&self) -> usize
The number of
None
s if this column is optional or 0 if it isn’t.Source§impl ColumnStats for OptionStats<PrimitiveStats<f64>>
impl ColumnStats for OptionStats<PrimitiveStats<f64>>
Source§fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
Source§fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
Same as Self::lower but an (also inclusive) upper bound.
Source§fn none_count(&self) -> usize
fn none_count(&self) -> usize
The number of
None
s if this column is optional or 0 if it isn’t.Source§impl ColumnStats for OptionStats<PrimitiveStats<i16>>
impl ColumnStats for OptionStats<PrimitiveStats<i16>>
Source§fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
Source§fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
Same as Self::lower but an (also inclusive) upper bound.
Source§fn none_count(&self) -> usize
fn none_count(&self) -> usize
The number of
None
s if this column is optional or 0 if it isn’t.Source§impl ColumnStats for OptionStats<PrimitiveStats<i32>>
impl ColumnStats for OptionStats<PrimitiveStats<i32>>
Source§fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
Source§fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
Same as Self::lower but an (also inclusive) upper bound.
Source§fn none_count(&self) -> usize
fn none_count(&self) -> usize
The number of
None
s if this column is optional or 0 if it isn’t.Source§impl ColumnStats for OptionStats<PrimitiveStats<i64>>
impl ColumnStats for OptionStats<PrimitiveStats<i64>>
Source§fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
Source§fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
Same as Self::lower but an (also inclusive) upper bound.
Source§fn none_count(&self) -> usize
fn none_count(&self) -> usize
The number of
None
s if this column is optional or 0 if it isn’t.Source§impl ColumnStats for OptionStats<PrimitiveStats<i8>>
impl ColumnStats for OptionStats<PrimitiveStats<i8>>
Source§fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
Source§fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
Same as Self::lower but an (also inclusive) upper bound.
Source§fn none_count(&self) -> usize
fn none_count(&self) -> usize
The number of
None
s if this column is optional or 0 if it isn’t.Source§impl ColumnStats for OptionStats<PrimitiveStats<u16>>
impl ColumnStats for OptionStats<PrimitiveStats<u16>>
Source§fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
Source§fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
Same as Self::lower but an (also inclusive) upper bound.
Source§fn none_count(&self) -> usize
fn none_count(&self) -> usize
The number of
None
s if this column is optional or 0 if it isn’t.Source§impl ColumnStats for OptionStats<PrimitiveStats<u32>>
impl ColumnStats for OptionStats<PrimitiveStats<u32>>
Source§fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
Source§fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
Same as Self::lower but an (also inclusive) upper bound.
Source§fn none_count(&self) -> usize
fn none_count(&self) -> usize
The number of
None
s if this column is optional or 0 if it isn’t.Source§impl ColumnStats for OptionStats<PrimitiveStats<u64>>
impl ColumnStats for OptionStats<PrimitiveStats<u64>>
Source§fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
Source§fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
Same as Self::lower but an (also inclusive) upper bound.
Source§fn none_count(&self) -> usize
fn none_count(&self) -> usize
The number of
None
s if this column is optional or 0 if it isn’t.Source§impl ColumnStats for OptionStats<PrimitiveStats<u8>>
impl ColumnStats for OptionStats<PrimitiveStats<u8>>
Source§fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
Source§fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
Same as Self::lower but an (also inclusive) upper bound.
Source§fn none_count(&self) -> usize
fn none_count(&self) -> usize
The number of
None
s if this column is optional or 0 if it isn’t.Source§impl ColumnStats for OptionStats<StructStats>
impl ColumnStats for OptionStats<StructStats>
Source§fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
fn lower<'a>(&'a self) -> Option<Self::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
Source§fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
fn upper<'a>(&'a self) -> Option<Self::Ref<'a>>
Same as Self::lower but an (also inclusive) upper bound.
Source§fn none_count(&self) -> usize
fn none_count(&self) -> usize
The number of
None
s if this column is optional or 0 if it isn’t.Source§impl<I, T> ColumnarStatsBuilder<Option<I>> for OptionStats<T>
impl<I, T> ColumnarStatsBuilder<Option<I>> for OptionStats<T>
Source§type ArrowColumn = <T as ColumnarStatsBuilder<I>>::ArrowColumn
type ArrowColumn = <T as ColumnarStatsBuilder<I>>::ArrowColumn
Type of
arrow
column these statistics can be derived from.Source§type FinishedStats = ColumnarStats
type FinishedStats = ColumnarStats
The type of statistics the collector finalizes into.
Source§fn from_column(col: &Self::ArrowColumn) -> Selfwhere
Self: Sized,
fn from_column(col: &Self::ArrowColumn) -> Selfwhere
Self: Sized,
Derive statistics from a column of data.
Source§fn finish(self) -> Self::FinishedStatswhere
Self::FinishedStats: Sized,
fn finish(self) -> Self::FinishedStatswhere
Self::FinishedStats: Sized,
Finish this collector returning the final aggregated statistics.
Source§impl<T: DynStats> Debug for OptionStats<T>
impl<T: DynStats> Debug for OptionStats<T>
Source§impl<T: DynStats> DynStats for OptionStats<T>
impl<T: DynStats> DynStats for OptionStats<T>
Source§fn debug_json(&self) -> Value
fn debug_json(&self) -> Value
Formats these statistics for use in
INSPECT SHARD
and debugging.Source§fn into_columnar_stats(self) -> ColumnarStats
fn into_columnar_stats(self) -> ColumnarStats
Return
self
as ColumnarStats
.Auto Trait Implementations§
impl<T> Freeze for OptionStats<T>where
T: Freeze,
impl<T> RefUnwindSafe for OptionStats<T>where
T: RefUnwindSafe,
impl<T> Send for OptionStats<T>where
T: Send,
impl<T> Sync for OptionStats<T>where
T: Sync,
impl<T> Unpin for OptionStats<T>where
T: Unpin,
impl<T> UnwindSafe for OptionStats<T>where
T: UnwindSafe,
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
Source§impl<T> FutureExt for T
impl<T> FutureExt for T
Source§fn with_context(self, otel_cx: Context) -> WithContext<Self>
fn with_context(self, otel_cx: Context) -> WithContext<Self>
Source§fn with_current_context(self) -> WithContext<Self>
fn with_current_context(self) -> WithContext<Self>
Source§impl<T> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoRequest<T> for T
impl<T> IntoRequest<T> for T
Source§fn into_request(self) -> Request<T>
fn into_request(self) -> Request<T>
Wrap the input message
T
in a tonic::Request
Source§impl<T> Pointable for T
impl<T> Pointable for T
Source§impl<P, R> ProtoType<R> for Pwhere
R: RustType<P>,
impl<P, R> ProtoType<R> for Pwhere
R: RustType<P>,
Source§fn into_rust(self) -> Result<R, TryFromProtoError>
fn into_rust(self) -> Result<R, TryFromProtoError>
See
RustType::from_proto
.Source§fn from_rust(rust: &R) -> P
fn from_rust(rust: &R) -> P
See
RustType::into_proto
.