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FilteredBatch

krabka_log

Enum FilteredBatch 

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pub enum FilteredBatch {
    Unchanged,
    Filtered(RecordBatch),
    Empty,
}
Expand description

What filter_batch made of a batch.

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Unchanged

No record was dropped, so the batch needs no rewrite.

A caller that still holds the batch’s original bytes can copy them verbatim. That path skips the re-encode and keeps the original CRC, which is the strongest evidence that the rewrite did not damage the record data.

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Filtered(RecordBatch)

At least one record was dropped. Carries the rewritten batch.

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Empty

The batch had records and every one of them was dropped.

The caller decides what an emptied batch becomes. Compaction re-emits a bare header when the batch is the last one of an active producer, so the producer’s sequence state survives; a restore may drop the batch outright. That choice is policy, so this module does not make it.

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impl Clone for FilteredBatch

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fn clone(&self) -> FilteredBatch

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for FilteredBatch

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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 Eq for FilteredBatch

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impl PartialEq for FilteredBatch

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fn eq(&self, other: &FilteredBatch) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for FilteredBatch

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