Github user justinleet commented on the issue:
https://github.com/apache/incubator-metron/pull/450
Ran this up and tested per @cestella instructions, along with testing out
the language a bit more. Everything worked well for me.
My only gotcha, and this is more a general Stellar issue, rather than an
issue here is that if you make a mistake with a syntax error, e.g.
`STATS_MEAN(STATS_MERGE(PROFILE_GET('stat', 'global', PROFILE_WINDOW('5 minute
window starting ago'))))`, results in
`org.apache.metron.common.dsl.ParseException: Unable to execute: expected at
least 3 argument(s), found 2
`. While technically true (because the PROFILE_WINDOW() threw an error,
resulting in PROFILE_GET() only having two args), it's not a particularly
helpful error. I'm curious if you have any thought on bubbling up the most
specific error @cestella
Otherwise, I'm +1 on this. It was very flexible, easy to use, and a great
contribution. Thanks a lot!
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