[−][src]Struct parquet_format::SortingColumn
Wrapper struct to specify sort order
Fields
column_idx: i32
The column index (in this row group) *
descending: bool
If true, indicates this column is sorted in descending order. *
nulls_first: bool
If true, nulls will come before non-null values, otherwise, nulls go at the end.
Implementations
impl SortingColumn
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pub fn new(
column_idx: i32,
descending: bool,
nulls_first: bool
) -> SortingColumn
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column_idx: i32,
descending: bool,
nulls_first: bool
) -> SortingColumn
pub fn read_from_in_protocol(
i_prot: &mut dyn TInputProtocol
) -> Result<SortingColumn>
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i_prot: &mut dyn TInputProtocol
) -> Result<SortingColumn>
pub fn write_to_out_protocol(
&self,
o_prot: &mut dyn TOutputProtocol
) -> Result<()>
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&self,
o_prot: &mut dyn TOutputProtocol
) -> Result<()>
Trait Implementations
impl Clone for SortingColumn
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fn clone(&self) -> SortingColumn
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fn clone_from(&mut self, source: &Self)
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impl Debug for SortingColumn
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impl Eq for SortingColumn
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impl Hash for SortingColumn
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fn hash<__H: Hasher>(&self, state: &mut __H)
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fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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H: Hasher,
impl Ord for SortingColumn
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fn cmp(&self, other: &SortingColumn) -> Ordering
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#[must_use]fn max(self, other: Self) -> Self
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#[must_use]fn min(self, other: Self) -> Self
1.21.0[src]
#[must_use]fn clamp(self, min: Self, max: Self) -> Self
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impl PartialEq<SortingColumn> for SortingColumn
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fn eq(&self, other: &SortingColumn) -> bool
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fn ne(&self, other: &SortingColumn) -> bool
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impl PartialOrd<SortingColumn> for SortingColumn
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fn partial_cmp(&self, other: &SortingColumn) -> Option<Ordering>
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fn lt(&self, other: &SortingColumn) -> bool
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fn le(&self, other: &SortingColumn) -> bool
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fn gt(&self, other: &SortingColumn) -> bool
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fn ge(&self, other: &SortingColumn) -> bool
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impl StructuralEq for SortingColumn
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impl StructuralPartialEq for SortingColumn
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Auto Trait Implementations
impl RefUnwindSafe for SortingColumn
impl Send for SortingColumn
impl Sync for SortingColumn
impl Unpin for SortingColumn
impl UnwindSafe for SortingColumn
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,