weixiang1862 commented on PR #11036:
URL: https://github.com/apache/skywalking/pull/11036#issuecomment-1619852049
@wu-sheng I think aggregate function does not need a label param to match
labels, because metric name expression already have this ability implemented by
@wankai123 , the following two expression is equivalent：
```
aggregate_label(mongodb_cluster_connection{label="1,2,3,4"}, SUM)
aggregate_label(mongodb_cluster_connection, {label="1,2,3,4"}, SUM)
```
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