joroKr21 commented on code in PR #11592:
URL: https://github.com/apache/datafusion/pull/11592#discussion_r1686495035
##########
datafusion/physical-expr-common/src/aggregate/groups_accumulator/accumulate.rs:
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@@ -324,6 +324,18 @@ impl NullState {
}
}
+ /// Check if the accumulated value for the group at the given `index` is
valid,
+ /// meaning that there was at least one value passing the filter for this
group.
+ pub fn is_valid(&self, index: usize) -> bool {
+ self.seen_values.get_bit(index)
+ }
Review Comment:
Ideally `BooleanBufferBuilder::set_bit` should return the previous value and
we can pass it along to the callback. That's in arrow I guess.
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