cyb70289 commented on code in PR #14088:
URL: https://github.com/apache/arrow/pull/14088#discussion_r968027079
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go/arrow/compute/internal/exec/span.go:
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@@ -85,16 +86,20 @@ type ArraySpan struct {
Children []ArraySpan
}
+func (a *ArraySpan) MayHaveNulls() bool {
+ return atomic.LoadInt64(&a.Nulls) != 0 && a.Buffers[0].Buf != nil
+}
+
// UpdateNullCount will count the bits in the null bitmap and update the
// number of nulls if the current null count is unknown, otherwise it just
// returns the value of a.Nulls
func (a *ArraySpan) UpdateNullCount() int64 {
if a.Nulls != array.UnknownNullCount {
Review Comment:
Should this loading of `a.Nulls` also be atomic to prevent data race?
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