Doesn't support | (pipe Character) in Metric Path as this is considered as Pipe Functions.

[ravivish83]

Describe the bug
CarbonAPI doesn't support | (pipe Character) in Metric Path as this is considered as Pipe Functions.
For: ap.|1234|ap.dev.hostname.memory.percent.Used

CarbonAPI Version
What's the CarbonAPI version you are running? Does this issue reproducible on current master?
https://github.com/go-graphite/carbonapi

Logs
If applicable, add logs (please use log level debug) that shows the whole duration of the request. Request can be identified by UUID if needed.

Error : Pipe to not a function\n Parsed so far : ap.|1234|\nCould not parse :

CarbonAPI Configuration:
Please include carbonapi config file that you are using (please replace all information you don't want to share, like domain names or IP addresses).
https://github.com/go-graphite/carbonapi/blob/main/cmd/carbonapi/carbonapi.example.victoriametrics.yaml

Simplified query (if applicable)
Please provide a query that triggered the issue, ideally narrowed down to smallest possible set of functions.

Backend response (if possible)
If that's possible - please share some sample set of backend responses. Most important thing here:

1. Are all backend responses the same? If not, what's the difference?
2. Do they contain special values, like Inf/NaN values?
3. Do all of them have same step?