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Is it possible to support any ClickHouse aggregate function in queries? #369
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Functions with a single argument are trivial to support and don't requires changing the parser. Just add your function here and send a PR. For functions with 2+ arguments we need to change the parser, but it is just a limitation of the current approach and we probably can remove it. What functions would you like to see? |
Maybe it could be done automatically, i.e. initialize list of functions with
I'm not sure for now, I just thought about providing simple alternative for splunk with uptrace. |
ClickHouse has reach aggregation functions support.
Right now it requires custom parsing, and so we can't use all the power.
Is it a significant amount of work to parse any functions and pass them as-is to ClickHouse?
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