Enum parquet::basic::Repetition
source · pub enum Repetition {
REQUIRED,
OPTIONAL,
REPEATED,
}
Expand description
Representation of field types in schema.
Variants§
REQUIRED
Field is required (can not be null) and each record has exactly 1 value.
OPTIONAL
Field is optional (can be null) and each record has 0 or 1 values.
REPEATED
Field is repeated and can contain 0 or more values.
Trait Implementations§
source§impl Clone for Repetition
impl Clone for Repetition
source§fn clone(&self) -> Repetition
fn clone(&self) -> Repetition
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for Repetition
impl Debug for Repetition
source§impl Display for Repetition
impl Display for Repetition
source§impl From<Repetition> for FieldRepetitionType
impl From<Repetition> for FieldRepetitionType
source§fn from(value: Repetition) -> Self
fn from(value: Repetition) -> Self
Converts to this type from the input type.
source§impl FromStr for Repetition
impl FromStr for Repetition
source§impl PartialEq for Repetition
impl PartialEq for Repetition
source§impl TryFrom<FieldRepetitionType> for Repetition
impl TryFrom<FieldRepetitionType> for Repetition
§type Error = ParquetError
type Error = ParquetError
The type returned in the event of a conversion error.
source§fn try_from(value: FieldRepetitionType) -> Result<Self>
fn try_from(value: FieldRepetitionType) -> Result<Self>
Performs the conversion.
impl Copy for Repetition
impl Eq for Repetition
impl StructuralPartialEq for Repetition
Auto Trait Implementations§
impl Freeze for Repetition
impl RefUnwindSafe for Repetition
impl Send for Repetition
impl Sync for Repetition
impl Unpin for Repetition
impl UnwindSafe for Repetition
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> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§default unsafe fn clone_to_uninit(&self, dst: *mut T)
default unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)source§impl<T> CloneToUninit for Twhere
T: Copy,
impl<T> CloneToUninit for Twhere
T: Copy,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)