Struct mz_persist_types::stats::OptionStats
source · 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<Option<DynStruct>> for OptionStats<StructStats>
impl ColumnStats<Option<DynStruct>> for OptionStats<StructStats>
source§fn lower<'a>(&'a self) -> Option<<Option<DynStruct> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<DynStruct> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<DynStruct> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<DynStruct> as Data>::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<Option<String>> for OptionStats<PrimitiveStats<String>>
impl ColumnStats<Option<String>> for OptionStats<PrimitiveStats<String>>
source§fn lower<'a>(&'a self) -> Option<<Option<String> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<String> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<String> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<String> as Data>::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<T> ColumnStats<Option<T>> for OptionStats<NoneStats>
impl<T> ColumnStats<Option<T>> for OptionStats<NoneStats>
source§fn lower<'a>(&'a self) -> Option<<Option<T> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<T> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<T> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<T> as Data>::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<Option<Vec<u8>>> for OptionStats<BytesStats>
impl ColumnStats<Option<Vec<u8>>> for OptionStats<BytesStats>
source§fn lower<'a>(&'a self) -> Option<<Option<Vec<u8>> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<Vec<u8>> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<Vec<u8>> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<Vec<u8>> as Data>::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<Option<Vec<u8>>> for OptionStats<PrimitiveStats<Vec<u8>>>
impl ColumnStats<Option<Vec<u8>>> for OptionStats<PrimitiveStats<Vec<u8>>>
source§fn lower<'a>(&'a self) -> Option<<Option<Vec<u8>> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<Vec<u8>> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<Vec<u8>> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<Vec<u8>> as Data>::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<Option<bool>> for OptionStats<PrimitiveStats<bool>>
impl ColumnStats<Option<bool>> for OptionStats<PrimitiveStats<bool>>
source§fn lower<'a>(&'a self) -> Option<<Option<bool> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<bool> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<bool> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<bool> as Data>::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<Option<f32>> for OptionStats<PrimitiveStats<f32>>
impl ColumnStats<Option<f32>> for OptionStats<PrimitiveStats<f32>>
source§fn lower<'a>(&'a self) -> Option<<Option<f32> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<f32> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<f32> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<f32> as Data>::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<Option<f64>> for OptionStats<PrimitiveStats<f64>>
impl ColumnStats<Option<f64>> for OptionStats<PrimitiveStats<f64>>
source§fn lower<'a>(&'a self) -> Option<<Option<f64> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<f64> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<f64> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<f64> as Data>::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<Option<i16>> for OptionStats<PrimitiveStats<i16>>
impl ColumnStats<Option<i16>> for OptionStats<PrimitiveStats<i16>>
source§fn lower<'a>(&'a self) -> Option<<Option<i16> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<i16> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<i16> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<i16> as Data>::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<Option<i32>> for OptionStats<PrimitiveStats<i32>>
impl ColumnStats<Option<i32>> for OptionStats<PrimitiveStats<i32>>
source§fn lower<'a>(&'a self) -> Option<<Option<i32> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<i32> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<i32> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<i32> as Data>::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<Option<i64>> for OptionStats<PrimitiveStats<i64>>
impl ColumnStats<Option<i64>> for OptionStats<PrimitiveStats<i64>>
source§fn lower<'a>(&'a self) -> Option<<Option<i64> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<i64> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<i64> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<i64> as Data>::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<Option<i8>> for OptionStats<PrimitiveStats<i8>>
impl ColumnStats<Option<i8>> for OptionStats<PrimitiveStats<i8>>
source§fn lower<'a>(&'a self) -> Option<<Option<i8> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<i8> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<i8> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<i8> as Data>::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<Option<u16>> for OptionStats<PrimitiveStats<u16>>
impl ColumnStats<Option<u16>> for OptionStats<PrimitiveStats<u16>>
source§fn lower<'a>(&'a self) -> Option<<Option<u16> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<u16> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<u16> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<u16> as Data>::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<Option<u32>> for OptionStats<PrimitiveStats<u32>>
impl ColumnStats<Option<u32>> for OptionStats<PrimitiveStats<u32>>
source§fn lower<'a>(&'a self) -> Option<<Option<u32> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<u32> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<u32> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<u32> as Data>::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<Option<u64>> for OptionStats<PrimitiveStats<u64>>
impl ColumnStats<Option<u64>> for OptionStats<PrimitiveStats<u64>>
source§fn lower<'a>(&'a self) -> Option<<Option<u64> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<u64> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<u64> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<u64> as Data>::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<Option<u8>> for OptionStats<PrimitiveStats<u8>>
impl ColumnStats<Option<u8>> for OptionStats<PrimitiveStats<u8>>
source§fn lower<'a>(&'a self) -> Option<<Option<u8> as Data>::Ref<'a>>
fn lower<'a>(&'a self) -> Option<<Option<u8> as Data>::Ref<'a>>
An inclusive lower bound on the data contained in the column, if known. Read more
source§fn upper<'a>(&'a self) -> Option<<Option<u8> as Data>::Ref<'a>>
fn upper<'a>(&'a self) -> Option<<Option<u8> as Data>::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<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 into_proto(&self) -> ProtoDynStats
fn into_proto(&self) -> ProtoDynStats
source§fn debug_json(&self) -> Value
fn debug_json(&self) -> Value
Formats these statistics for use in
INSPECT SHARD
and debugging.source§impl StatsFrom<BinaryArray<i32>> for OptionStats<BytesStats>
impl StatsFrom<BinaryArray<i32>> for OptionStats<BytesStats>
source§fn stats_from(col: &BinaryArray<i32>, validity: ValidityRef) -> Self
fn stats_from(col: &BinaryArray<i32>, validity: ValidityRef) -> Self
Computes statistics from a column of data. Read more
source§impl StatsFrom<BinaryArray<i32>> for OptionStats<PrimitiveStats<Vec<u8>>>
impl StatsFrom<BinaryArray<i32>> for OptionStats<PrimitiveStats<Vec<u8>>>
source§fn stats_from(col: &BinaryArray<i32>, validity: ValidityRef) -> Self
fn stats_from(col: &BinaryArray<i32>, validity: ValidityRef) -> Self
Computes statistics from a column of data. Read more
source§impl StatsFrom<BooleanArray> for OptionStats<PrimitiveStats<bool>>
impl StatsFrom<BooleanArray> for OptionStats<PrimitiveStats<bool>>
source§fn stats_from(col: &BooleanArray, validity: ValidityRef) -> Self
fn stats_from(col: &BooleanArray, validity: ValidityRef) -> Self
Computes statistics from a column of data. Read more
source§impl StatsFrom<DynStructCol> for OptionStats<StructStats>
impl StatsFrom<DynStructCol> for OptionStats<StructStats>
source§fn stats_from(col: &DynStructCol, validity: ValidityRef) -> Self
fn stats_from(col: &DynStructCol, validity: ValidityRef) -> Self
Computes statistics from a column of data. Read more
source§impl<T> StatsFrom<PrimitiveArray<T>> for OptionStats<PrimitiveStats<T>>
impl<T> StatsFrom<PrimitiveArray<T>> for OptionStats<PrimitiveStats<T>>
source§fn stats_from(col: &PrimitiveArray<T>, validity: ValidityRef) -> Self
fn stats_from(col: &PrimitiveArray<T>, validity: ValidityRef) -> Self
Computes statistics from a column of data. Read more
source§impl<T: Array> StatsFrom<T> for OptionStats<NoneStats>
impl<T: Array> StatsFrom<T> for OptionStats<NoneStats>
source§fn stats_from(col: &T, validity: ValidityRef) -> Self
fn stats_from(col: &T, validity: ValidityRef) -> Self
Computes statistics from a column of data. Read more
source§impl StatsFrom<Utf8Array<i32>> for OptionStats<PrimitiveStats<String>>
impl StatsFrom<Utf8Array<i32>> for OptionStats<PrimitiveStats<String>>
source§fn stats_from(col: &Utf8Array<i32>, validity: ValidityRef) -> Self
fn stats_from(col: &Utf8Array<i32>, validity: ValidityRef) -> Self
Computes statistics from a column of data. Read more
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<R, O, T> CopyOnto<ConsecutiveOffsetPairs<R, O>> for T
impl<R, O, T> CopyOnto<ConsecutiveOffsetPairs<R, O>> for T
source§fn copy_onto(
self,
target: &mut ConsecutiveOffsetPairs<R, O>
) -> <ConsecutiveOffsetPairs<R, O> as Region>::Index
fn copy_onto( self, target: &mut ConsecutiveOffsetPairs<R, O> ) -> <ConsecutiveOffsetPairs<R, O> as Region>::Index
Copy self into the target container, returning an index that allows to
look up the corresponding read item.
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
.