ygerzhedovich commented on code in PR #4522:
URL: https://github.com/apache/ignite-3/pull/4522#discussion_r1795651562
##########
modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/exp/agg/Accumulators.java:
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@@ -400,25 +447,34 @@ public RelDataType returnType(IgniteTypeFactory
typeFactory) {
}
}
- private static class LongCount implements Accumulator {
+ /** {@code COUNT(LONG)} accumulator.. */
+ public static class LongCount implements Accumulator {
public static final Supplier<Accumulator> FACTORY = LongCount::new;
- private long cnt;
-
/** {@inheritDoc} */
@Override
- public void add(Object... args) {
+ public void add(AccumulatorsState state, Object... args) {
assert nullOrEmpty(args) || args.length == 1;
if (nullOrEmpty(args) || args[0] != null) {
- cnt++;
+ Long cnt = (Long) state.get();
Review Comment:
+ for
DoubleSumEmptyIsZero
LongSumEmptyIsZero
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