xiangfu0 commented on code in PR #13611:
URL: https://github.com/apache/pinot/pull/13611#discussion_r1678430382
##########
pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/operator/utils/AggregationUtils.java:
##########
@@ -170,25 +169,18 @@ default Object init(@Nullable Object value,
ColumnDataType dataType) {
*/
public static class Accumulator {
//@formatter:off
- public static final Map<String, Function<DataSchema.ColumnDataType,
AggregationUtils.Merger>> MERGERS =
- ImmutableMap.<String, Function<DataSchema.ColumnDataType,
AggregationUtils.Merger>>builder()
- .put("SUM", cdt -> AggregationUtils::mergeSum)
- .put("$SUM", cdt -> AggregationUtils::mergeSum)
- .put("$SUM0", cdt -> AggregationUtils::mergeSum)
- .put("MIN", cdt -> AggregationUtils::mergeMin)
- .put("$MIN", cdt -> AggregationUtils::mergeMin)
- .put("$MIN0", cdt -> AggregationUtils::mergeMin)
- .put("MAX", cdt -> AggregationUtils::mergeMax)
- .put("$MAX", cdt -> AggregationUtils::mergeMax)
- .put("$MAX0", cdt -> AggregationUtils::mergeMax)
- .put("COUNT", cdt -> new AggregationUtils.MergeCounts())
- .put("BOOL_AND", cdt -> AggregationUtils::mergeBoolAnd)
- .put("$BOOL_AND", cdt -> AggregationUtils::mergeBoolAnd)
- .put("$BOOL_AND0", cdt -> AggregationUtils::mergeBoolAnd)
- .put("BOOL_OR", cdt -> AggregationUtils::mergeBoolOr)
- .put("$BOOL_OR", cdt -> AggregationUtils::mergeBoolOr)
- .put("$BOOL_OR0", cdt -> AggregationUtils::mergeBoolOr)
- .build();
+ public static final Map<String, Function<DataSchema.ColumnDataType,
AggregationUtils.Merger>> MERGERS = Map.of(
+ "SUM", cdt -> AggregationUtils::mergeSum,
+ // NOTE: Keep both 'SUM0' and '$SUM0' for backward compatibility where
'SUM0' is SqlKind and '$SUM0' is function
+ // name.
+ "SUM0", cdt -> AggregationUtils::mergeSum,
+ "$SUM0", cdt -> AggregationUtils::mergeSum,
+ "MIN", cdt -> AggregationUtils::mergeMin,
Review Comment:
Will there be `MIN0`, `MAX0` or `BOOL_OR0`?
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