mz_repr::relation_and_scalar

Struct ProtoColumnMetadata

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pub struct ProtoColumnMetadata {
    pub added: Option<ProtoRelationVersion>,
    pub dropped: Option<ProtoRelationVersion>,
}

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§added: Option<ProtoRelationVersion>§dropped: Option<ProtoRelationVersion>

Trait Implementations§

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impl Clone for ProtoColumnMetadata

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fn clone(&self) -> ProtoColumnMetadata

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 ProtoColumnMetadata

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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 ProtoColumnMetadata

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fn default() -> Self

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

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fn encoded_len(&self) -> usize

Returns the encoded length of the message without a length delimiter.
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fn clear(&mut self)

Clears the message, resetting all fields to their default.
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fn encode(&self, buf: &mut impl BufMut) -> Result<(), EncodeError>
where Self: Sized,

Encodes the message to a buffer. Read more
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fn encode_to_vec(&self) -> Vec<u8>
where Self: Sized,

Encodes the message to a newly allocated buffer.
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fn encode_length_delimited( &self, buf: &mut impl BufMut, ) -> Result<(), EncodeError>
where Self: Sized,

Encodes the message with a length-delimiter to a buffer. Read more
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fn encode_length_delimited_to_vec(&self) -> Vec<u8>
where Self: Sized,

Encodes the message with a length-delimiter to a newly allocated buffer.
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fn decode(buf: impl Buf) -> Result<Self, DecodeError>
where Self: Default,

Decodes an instance of the message from a buffer. Read more
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fn decode_length_delimited(buf: impl Buf) -> Result<Self, DecodeError>
where Self: Default,

Decodes a length-delimited instance of the message from the buffer.
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fn merge(&mut self, buf: impl Buf) -> Result<(), DecodeError>
where Self: Sized,

Decodes an instance of the message from a buffer, and merges it into self. Read more
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fn merge_length_delimited(&mut self, buf: impl Buf) -> Result<(), DecodeError>
where Self: Sized,

Decodes a length-delimited instance of the message from buffer, and merges it into self.
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impl PartialEq for ProtoColumnMetadata

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fn eq(&self, other: &ProtoColumnMetadata) -> 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 Copy for ProtoColumnMetadata

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impl StructuralPartialEq for ProtoColumnMetadata

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impl<T> Any for T
where T: 'static + ?Sized,

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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