FieldEncoder

arrow_avro::writer::encoder

Struct FieldEncoder 

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pub(crate) struct FieldEncoder<'a> {
    encoder: Encoder<'a>,
    null_state: NullState,
}
Expand description

Arrow to Avro FieldEncoder:

  • Holds the inner Encoder (by value)
  • Carries the per-site nullability state as a single enum that enforces invariants

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§encoder: Encoder<'a>§null_state: NullState

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impl<'a> FieldEncoder<'a>

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fn make_encoder( array: &'a dyn Array, field: &Field, plan: &FieldPlan, nullability: Option<Nullability>, ) -> Result<Self, ArrowError>

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fn encode<W: Write + ?Sized>( &mut self, out: &mut W, idx: usize, ) -> Result<(), ArrowError>

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impl<'a> Freeze for FieldEncoder<'a>

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

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impl<'a> Send for FieldEncoder<'a>

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impl<'a> Sync for FieldEncoder<'a>

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impl<'a> Unpin for FieldEncoder<'a>

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

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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> 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> Same for T

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type Output = T

Should always be Self
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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
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fn vzip(self) -> V