viongpanzi commented on a change in pull request #7716: Fix memory problem
(OOM/FGC) when expression is used in metricsSpec
URL: https://github.com/apache/incubator-druid/pull/7716#discussion_r287784384
##########
File path:
processing/src/main/java/org/apache/druid/query/aggregation/AggregatorUtil.java
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@@ -196,7 +246,7 @@ static BaseFloatColumnValueSelector
makeColumnValueSelectorWithFloatDefault(
if (fieldName != null) {
return metricFactory.makeColumnValueSelector(fieldName);
} else {
- final Expr expr = Parser.parse(fieldExpression, macroTable);
+ final Expr expr = parseIfAbsent(fieldExpression, macroTable);
Review comment:
@himanshug sorry for the delayed update! Can you review this patch again?
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