tustvold commented on code in PR #3895:
URL: https://github.com/apache/arrow-rs/pull/3895#discussion_r1143789957
##########
arrow-select/src/filter.rs:
##########
@@ -154,15 +152,12 @@ pub fn build_filter(filter: &BooleanArray) ->
Result<Filter, ArrowError> {
pub fn prep_null_mask_filter(filter: &BooleanArray) -> BooleanArray {
let array_data = filter.data_ref();
let nulls = array_data.nulls().unwrap();
- let mask = filter.values();
- let offset = filter.offset();
-
- let new_mask =
- buffer_bin_and(mask, offset, nulls.buffer(), nulls.offset(),
filter.len());
+ let mask = filter.values() & nulls.inner();
let array_data = ArrayData::builder(DataType::Boolean)
- .len(filter.len())
- .add_buffer(new_mask);
+ .len(mask.len())
Review Comment:
A follow up PR will add a `BooleanArray::new` method
##########
arrow-select/src/filter.rs:
##########
@@ -154,15 +152,12 @@ pub fn build_filter(filter: &BooleanArray) ->
Result<Filter, ArrowError> {
pub fn prep_null_mask_filter(filter: &BooleanArray) -> BooleanArray {
let array_data = filter.data_ref();
let nulls = array_data.nulls().unwrap();
- let mask = filter.values();
- let offset = filter.offset();
-
- let new_mask =
- buffer_bin_and(mask, offset, nulls.buffer(), nulls.offset(),
filter.len());
+ let mask = filter.values() & nulls.inner();
let array_data = ArrayData::builder(DataType::Boolean)
- .len(filter.len())
- .add_buffer(new_mask);
+ .len(mask.len())
Review Comment:
A follow up PR will add a `BooleanArray::new` method to encapsulate this
logic
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