fix issue with ScanQueryFrameProcessor cursor build not adjusting intervals#17168
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cryptoe merged 3 commits intoapache:masterfrom Sep 26, 2024
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| cursorFactory.makeCursorHolder(ScanQueryEngine.makeCursorBuildSpec(query, null)); | ||
| cursorFactory.makeCursorHolder( | ||
| ScanQueryEngine.makeCursorBuildSpec( | ||
| query.withQuerySegmentSpec(new MultipleIntervalSegmentSpec(Intervals.ONLY_ETERNITY)), |
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The old code did this too, but, it seems like it'd be incorrect if the query had an intervals filter on the __time column. I am not sure how (or if) this can actually happen, but I wonder if it could be made to happen by doing a query like this:
SELECT * FROM (SELECT * FROM "wikipedia" ORDER BY countryName LIMIT 100)
WHERE TIME_IN_INTERVAL(__time, '2020/P1D') OR TIME_IN_INTERVAL(__time, '2021/P1D')I tried doing that just now, and got a QueryNotSupported error, which seems like a different problem. But what if it was supported?
IMO, here we should add a validation here to check that query has an eternity interval, rather than overriding it to be eternity. If it was anything other than eternity, this wouldn't be correct.
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…ervals (apache#17168) * fix issue with ScanQueryFrameProcessor cursor build not adjusting intervals * all hail the robot overlords * style bot
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…g. (#17152) (#17168) (#17245) * ScanQueryFrameProcessor: Close CursorHolders as we go along. (#17152) * fix issue with ScanQueryFrameProcessor cursor build not adjusting intervals (#17168) --------- Co-authored-by: Gian Merlino <gianmerlino@gmail.com> Co-authored-by: Clint Wylie <cwylie@apache.org>
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During the refactor of #16533, accidentally lost the calls to
query.withQuerySegmentSpecinScanQueryFrameProcessorhere and here