Struct mz_persist_types::codec_impls::ShardIdSchema

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pub struct ShardIdSchema;
Expand description

An implementation of Schema2 for ShardId.

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impl Debug for ShardIdSchema

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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 PartialEq for ShardIdSchema

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fn eq(&self, other: &ShardIdSchema) -> 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 Schema2<ShardId> for ShardIdSchema

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type ArrowColumn = GenericByteArray<GenericStringType<i32>>

The type of column we decode from, and encoder will finish into.
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type Statistics = NoneStats

Statistics we collect for a schema of this type.
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type Decoder = SimpleColumnarDecoder<ShardId>

Type that is able to decode values of T from Self::ArrowColumn.
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type Encoder = SimpleColumnarEncoder<ShardId>

Type that is able to encoder values of T.
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fn encoder(&self) -> Result<Self::Encoder, Error>

Returns a type that can encode values of T.
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fn decoder(&self, col: Self::ArrowColumn) -> Result<Self::Decoder, Error>

Returns a type that is able to decode instances of T from the provider column.
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fn decoder_any(&self, col: &dyn Array) -> Result<Self::Decoder, Error>

Returns a type that is able to decode instances of T from a type erased arrow::array::Array, erroring if the provided array is not Self::ArrowColumn.
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impl StructuralPartialEq for ShardIdSchema

Auto Trait 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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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, U> CastInto<U> for T
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Performs the cast.
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Returns the argument unchanged.

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impl<T> FutureExt for T

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fn instrument(self, span: Span) -> Instrumented<Self>

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Calls U::from(self).

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

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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

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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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See RustType::from_proto.
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See RustType::into_proto.
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type Output = T

Should always be Self
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The type returned in the event of a conversion error.
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Performs the conversion.
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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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