wshao08 commented on a change in pull request #2714:
URL: https://github.com/apache/iotdb/pull/2714#discussion_r580828177
##########
File path:
server/src/main/java/org/apache/iotdb/db/qp/strategy/PhysicalGenerator.java
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@@ -876,6 +877,16 @@ private void deduplicate(QueryPlan queryPlan, int
fetchSize)
.getContext()
.getColumnName()
: columnForReader;
+ if (queryPlan instanceof AggregationPlan && ((AggregationPlan)
queryPlan).getLevel() >= 0) {
+ String aggregatePath =
+ originalPath.isMeasurementAliasExists()
+ ? FilePathUtils.generatePartialPathByLevel(
+ originalPath.getFullPathWithAlias(), ((AggregationPlan)
queryPlan).getLevel())
+ : FilePathUtils.generatePartialPathByLevel(
+ originalPath.toString(), ((AggregationPlan)
queryPlan).getLevel());
Review comment:
The modified value of `columnForReader` is used between line 858-871.
Considering the complexity of `deduplicate()`, I tried not to make much changes
here to keep correctness.
Perhaps refactor `deduplicate()` and moving it into QueryPlan would be a
choice. What do you think?
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