findepi commented on code in PR #16816:
URL: https://github.com/apache/datafusion/pull/16816#discussion_r2221442844
##########
datafusion/functions-aggregate/src/array_agg.rs:
##########
@@ -315,11 +313,7 @@ impl Accumulator for ArrayAggAccumulator {
};
if !val.is_empty() {
- // The ArrayRef might be holding a reference to its original input
buffer, so
- // storing it here directly copied/compacted avoids over
accounting memory
- // not used here.
- self.values
- .push(make_array(copy_array_data(&val.to_data())));
Review Comment:
Was compacting (as stipulated by this comment) not happening, or not needed?
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