SequenceWriter

vortex_layout::segments

Struct SequenceWriter 

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pub struct SequenceWriter { /* private fields */ }
Expand description

Utility struct to associate SequenceId’s with chunks in an array stream. It wraps a SegmentWriter and enforces SegmentId’s sent to it are monotonically increasing. See SequenceId docs for more information.

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impl SequenceWriter

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pub fn new(segment_writer: Box<dyn SegmentWriter>) -> Self

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pub async fn put( &self, sequence_id: SequenceId, buffer: Vec<ByteBuffer>, ) -> VortexResult<SegmentId>

Wait until the given SequenceId is the first non dropped instance among all that self::new_sequential is created. Calls SegmentWriter::put with the resulting SegmentId. See SequenceId::collapse docs for more information.

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pub fn new_sequential( &self, stream: SendableArrayStream, ) -> SendableSequentialStream

Annotate an array stream with sequence identifiers.

Each sequence id on an item in the stream would come after all others that come before it.

Consecutive calls would guarantee that all sequence id’s associated on the latter stream would come after all that were associated with the former stream.

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impl Clone for SequenceWriter

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fn clone(&self) -> SequenceWriter

Returns a duplicate 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<T> Any for T
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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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where Self: Display,

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where Self: LowerHex,

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where Self: Octal,

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where Self: UpperExp,

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where Self: UpperHex,

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fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more
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