izveigor commented on code in PR #4507:
URL: https://github.com/apache/arrow-rs/pull/4507#discussion_r1269857741
##########
arrow-array/src/array/boolean_array.rs:
##########
@@ -246,6 +246,62 @@ impl BooleanArray {
});
Self::new(values, nulls)
}
+
+ /// Returns `BooleanBuilder` of this boolean array for mutating its values
if the underlying
+ /// data buffer is not shared by others.
+ pub fn into_builder(self) -> Result<BooleanBuilder, Self> {
+ let len = self.len();
+ let data = self.into_data();
+ let null_bit_buffer = data.nulls().map(|b| b.inner().sliced());
+
+ let buffer = data.buffers()[0].slice_with_length(data.offset(), (len +
7) / 8);
Review Comment:
@tustvold Is this feature reasonable from your point of view?
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