yswdqz commented on issue #9472:
URL: https://github.com/apache/skywalking/issues/9472#issuecomment-1219721246
I have a metric like this:
```
pg_locks_count{datname="postgres",mode="accessexclusivelock",server="postgres:5432"}
0
```
I want delete the `datname` and `mode`
And add a `mode` label = `datname` + `mode`, how can I do that?
I have tested this way: `pg_locks_count.tag({tags -> tags.mode =
tags.datname + tags.mode}).sum(['mode' , 'server'])`, but OAP will receive
nothing.
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