polars_arrow::io::ipc::write

Struct Record

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pub struct Record<'a> { /* private fields */ }
Available on crate feature io_ipc only.
Expand description

An array RecordBatchT with optional accompanying IPC fields.

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impl Record<'_>

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pub fn fields(&self) -> Option<&[IpcField]>

Get the IPC fields for this record.

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pub fn columns(&self) -> &RecordBatchT<Box<dyn Array>>

Get the Arrow columns in this record.

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impl<'a> Clone for Record<'a>

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fn clone(&self) -> Record<'a>

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<'a> Debug for Record<'a>

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

Formats the value using the given formatter. Read more
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impl<'a, F> From<(&'a RecordBatchT<Box<dyn Array>>, Option<F>)> for Record<'a>
where F: Into<Cow<'a, [IpcField]>>,

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fn from( (columns, fields): (&'a RecordBatchT<Box<dyn Array>>, Option<F>), ) -> Self

Converts to this type from the input type.
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impl<'a, F> From<(RecordBatchT<Box<dyn Array>>, Option<F>)> for Record<'a>
where F: Into<Cow<'a, [IpcField]>>,

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fn from((columns, fields): (RecordBatchT<Box<dyn Array>>, Option<F>)) -> Self

Converts to this type from the input type.
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impl From<RecordBatchT<Box<dyn Array>>> for Record<'static>

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fn from(columns: RecordBatchT<Box<dyn Array>>) -> Self

Converts to this type from the input type.
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impl<'a> PartialEq for Record<'a>

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fn eq(&self, other: &Record<'a>) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<'a> StructuralPartialEq for Record<'a>

Auto Trait Implementations§

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impl<'a> Freeze for Record<'a>

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impl<'a> !RefUnwindSafe for Record<'a>

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impl<'a> Send for Record<'a>

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impl<'a> Sync for Record<'a>

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impl<'a> Unpin for Record<'a>

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impl<'a> !UnwindSafe for Record<'a>

Blanket Implementations§

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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 T)

🔬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> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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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.