Type Alias Col2ValColBatcher 

pub type Col2ValColBatcher<K, V, T, R> = MergeBatcher<ColumnMerger<(K, V), T, R>>;

Columnar-native counterpart to Col2ValBatcher, holding Column chunks rather than columnation stacks and merging them through batcher::ColumnMerger.

Pairs with batcher::ColumnChunker and any builder whose Input is Column<((K, V), T, R)>. Unlike Col2ValPagedBatcher the chains stay resident, so this arm carries no pager and no spill budget.

Aliased Type

pub struct Col2ValColBatcher<K, V, T, R> { /* private fields */ }