simplify IncrementalIndex since group-by v1 has been removed #15448
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Description
This PR removes a some stuff that was only used by group-by v1, which was removed in #14866, simplifying
IncrementalIndex
andOnHeapIncrementalIndex
implementations. The removed parameters are:deserializeComplexMetrics
which is always true (was false in group-by v1)concurrentEventAdd
which is always false (was true in group-by v1)sortFacts
which is always true (could be false in group-by v1)Removing the parameters allowed simplifying stuff like
FactsHolder
and some other things. I've also moved the twoFactsHolder
implementations toOnHeapIncrementalIndex
where they are actually used (no logic change here, just a simple move), assuming that any other implementations would bring their ownFactsHolder
implementation.This PR has: