mz_persist_types::codec_impls

Struct StringSchema

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pub struct StringSchema;
Expand description

An implementation of Schema for String.

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impl Clone for StringSchema

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fn clone(&self) -> StringSchema

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 StringSchema

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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 StringSchema

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fn default() -> StringSchema

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

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fn eq(&self, other: &StringSchema) -> 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 Schema<String> for StringSchema

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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<String>

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

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 StringSchema

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