Support multi column results with using mongo query runner

[del-zhenwu]

What type of PR is this? (check all applicable)

• Other

Description

Support the following queries for results parser when using mongodb:

    "fields": {
        "run_id": 1,
        "metrics.value.acc": 2
    },

We currently only support for two levels in fields

Related Tickets & Documents

Mobile & Desktop Screenshots/Recordings (if there are UI changes)

[guidopetri]

@del-zhenwu , thanks for the PR! We've updated a lot of things now that we're Community-driven so - if you're still interested in getting this merged - would you mind rebasing off master to re-run the CI?

We're trying to clean up our PR todo list, so if you're not interested, that's fine - we'll close the PR in about a week if we don't hear back. If you're interested in reopening the PR afterwards, we would also very much welcome that.

[del-zhenwu]

The new PR #6290

[justinclift]

I'll close this PR now, as the new one is available. 😄