Document that persistentAggregate() does not work with generic Aggregators #1019
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This should be pretty much self-explanatory.
I couldn't find the information anywhere in the docs so far, but I came to this conclusion because
Stream
only haspersistentAggregate()
methods forCombinerAggregator
s andReducerAggregator
s. Also, I can't really imagine a trivial way to store the state of a genericAggregator
.