Struct rocksdb::compaction_filter::CompactionFilterCallback

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pub struct CompactionFilterCallback<F>
where
    F: CompactionFilterFn,
{
    pub name: CString,
    pub filter_fn: F,
}

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§name: CString§filter_fn: F

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impl<F> CompactionFilter for CompactionFilterCallback<F>
where F: CompactionFilterFn,

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fn name(&self) -> &CStr

Returns a name that identifies this compaction filter. The name will be printed to LOG file on start up for diagnosis.
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fn filter(&mut self, level: u32, key: &[u8], value: &[u8]) -> Decision

The compaction process invokes this method for kv that is being compacted. The application can inspect the existing value of the key and make decision based on it. Read more

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