compute_values_mask

arrow_select::dictionary

Function compute_values_mask 

Source 
fn compute_values_mask<K: ArrowNativeType>(
    keys: &ScalarBuffer<K>,
    mask: Option<&BooleanBuffer>,
    max_key: usize,
) -> BooleanBuffer
Expand description

Return a mask identifying the values that are referenced by keys in dictionary at the positions indicated by selection