ivandasch commented on code in PR #10059:
URL: https://github.com/apache/ignite/pull/10059#discussion_r888123560
##########
modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/exp/agg/Accumulators.java:
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@@ -1158,6 +1191,71 @@ private String extractSeparator(Row row) {
}
}
+ /** */
+ private static class ArrayAggregateAccumulator<Row> extends
AggAccumulator<Row> {
+ /** */
+ public ArrayAggregateAccumulator(AggregateCall aggCall,
RowHandler<Row> hnd) {
+ super(aggCall, hnd);
+ }
+
+ /** {@inheritDoc} */
+ @Override public Object end() {
+ List<Object> result = new ArrayList<>(size());
+
+ for (Row row: this)
+ result.add(get(0, row));
Review Comment:
Buffer contains Rows (list of arrays)
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