arrow::compute::kernels::cast_utils

Enum IntervalUnit

#[repr(u16)]
pub enum IntervalUnit { Century = 1, Decade = 2, Year = 4, Month = 8, Week = 16, Day = 32, Hour = 64, Minute = 128, Second = 256, Millisecond = 512, Microsecond = 1_024, Nanosecond = 2_048, }
Expand description

Represents the units of an interval, with each variant corresponding to a bit in the interval’s bitfield representation

Variants§

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Century = 1

A Century

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Decade = 2

A Decade

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Year = 4

A Year

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Month = 8

A Month

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Week = 16

A Week

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Day = 32

A Day

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Hour = 64

An Hour

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Minute = 128

A Minute

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Second = 256

A Second

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Millisecond = 512

A Millisecond

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Microsecond = 1_024

A Microsecond

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Nanosecond = 2_048

A Nanosecond

Trait Implementations§

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impl Clone for IntervalUnit

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fn clone(&self) -> IntervalUnit

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for IntervalUnit

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl FromStr for IntervalUnit

Logic for parsing interval unit strings

See https://github.com/postgres/postgres/blob/2caa85f4aae689e6f6721d7363b4c66a2a6417d6/src/backend/utils/adt/datetime.c#L189 for a list of unit names supported by PostgreSQL which we try to match here.

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type Err = ArrowError

The associated error which can be returned from parsing.
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fn from_str(s: &str) -> Result<IntervalUnit, ArrowError>

Parses a string s to return a value of this type. Read more
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impl Copy for IntervalUnit

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

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impl<T> Ungil for T
where T: Send,