Struct ValMirror 

pub struct ValMirror<U: Update> { /* private fields */ }

Trace Builder that accumulates UpdatesTyped chunks and seals them into a single OrdValBatch.

Trait Implementations

impl<U: Update> Builder for ValMirror<U>

type Time = <U as ColumnarUpdate>::Time

Timestamp type.

type Input = UpdatesTyped<U>

Input item type.

type Output = OrdValBatch<ColumnarLayout<U>>

Output batch type.

fn with_capacity(_keys: usize, _vals: usize, _upds: usize) -> Self

Allocates an empty builder with capacity for the specified keys, values, and updates.

fn push(&mut self, chunk: &mut Self::Input)

Adds a chunk of elements to the batch.

fn done(self, description: Description<Self::Time>) -> Self::Output

Completes building and returns the batch.

fn seal( chain: &mut Vec<Self::Input>, description: Description<Self::Time>, ) -> Self::Output

Builds a batch from a chain of updates corresponding to the indicated lower and upper bounds.

fn new() -> Self

Allocates an empty builder.