Gian Merlino 448da78765 Speed up String first/last aggregators when folding isn't needed. (#9181) ... * Speed up String first/last aggregators when folding isn't needed. Examines the value column, and disables fold checking via a needsFoldCheck flag if that column can't possibly contain SerializableLongStringPairs. This is helpful because it avoids calling getObject on the value selector when unnecessary; say, because the time selector didn't yield an earlier or later value. * PR comments. * Move fastLooseChop to StringUtils.		2020-01-16 21:02:02 -08:00
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src	Speed up String first/last aggregators when folding isn't needed. (#9181)	2020-01-16 21:02:02 -08:00
pom.xml	Add HashJoinSegment, a virtual segment for joins. (#9111)	2020-01-16 13:14:20 -08:00