fn num_deletes(mut chunks: Vec<Arc<dyn QueryChunk>>) -> Vec<usize> {
        chunks.sort_by_key(|c| c.id());
        chunks
            .iter()
            .map(|chunk| chunk.delete_predicates().len())
            .collect()
    }
/// returns the number of deletes in each chunk
returns the number of deletes in each chunk
returns the number of deletes in each chunk
fn num_deletes(mut chunks: Vec<Arc<dyn QueryChunk>>) -> Vec<usize> {
        chunks.sort_by_key(|c| c.id());
        chunks
            .iter()
            .map(|chunk| chunk.delete_predicates().len())
            .collect()
    }
fn num_deletes ( mut chunks : Vec < Arc < dyn QueryChunk > > ) -> Vec < usize > { chunks . sort_by_key ( | c | c . id ( ) ) ; chunks . iter ( ) . map ( | chunk | chunk . delete_predicates ( ) . len ( ) ) . collect ( ) }
returns the number of deletes in each chunk
returns the number of deletes in each chunk
chunks
Vec<Arc<dyn QueryChunk>>
chunks
Vec<Arc<dyn QueryChunk>>