UnionDecoder

Struct UnionDecoder 

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struct UnionDecoder {
    fields: UnionFields,
    type_ids: Vec<i8>,
    offsets: Vec<i32>,
    branches: Vec<Decoder>,
    counts: Vec<i32>,
    reader_type_codes: Vec<i8>,
    null_branch: Option<usize>,
    default_emit_idx: usize,
    null_emit_idx: usize,
    plan: UnionReadPlan,
}

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§fields: UnionFields§type_ids: Vec<i8>§offsets: Vec<i32>§branches: Vec<Decoder>§counts: Vec<i32>§reader_type_codes: Vec<i8>§null_branch: Option<usize>§default_emit_idx: usize§null_emit_idx: usize§plan: UnionReadPlan

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impl UnionDecoder

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fn try_new( fields: UnionFields, branches: Vec<Decoder>, resolved: Option<ResolvedUnion>, ) -> Result<Self, ArrowError>

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fn try_new_from_writer_union( info: ResolvedUnion, target: Box<Decoder>, ) -> Result<Self, ArrowError>

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fn plan_from_resolved( resolved: Option<ResolvedUnion>, ) -> Result<UnionReadPlan, ArrowError>

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fn read_tag(buf: &mut AvroCursor<'_>) -> Result<usize, ArrowError>

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fn emit_to(&mut self, reader_idx: usize) -> Result<&mut Decoder, ArrowError>

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fn on_decoder<F>( &mut self, fallback_idx: usize, action: F, ) -> Result<(), ArrowError>
where F: FnOnce(&mut Decoder) -> Result<(), ArrowError>,

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fn append_null(&mut self) -> Result<(), ArrowError>

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fn append_default(&mut self, lit: &AvroLiteral) -> Result<(), ArrowError>

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fn decode(&mut self, buf: &mut AvroCursor<'_>) -> Result<(), ArrowError>

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fn flush(&mut self, nulls: Option<NullBuffer>) -> Result<ArrayRef, ArrowError>

Trait Implementations§

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impl Debug for UnionDecoder

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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 Default for UnionDecoder

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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> 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
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,