fix: throw error on sub-day generate_series increments#11907
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alamb merged 6 commits intoapache:mainfrom Aug 11, 2024
Merged
fix: throw error on sub-day generate_series increments#11907alamb merged 6 commits intoapache:mainfrom
alamb merged 6 commits intoapache:mainfrom
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Thank you very much @tshauck -- I think this code looks much nicer 👌 -- thank you
While reviewing this PR I had some more ideas for tests, so I took the liberty of writing them and pushing a few to your branch.
During this process, I actually think I found a regression introduced by this PR. Specifically, when generating intervals from arrays. If you try and run the tests in #11921 on this PR they all generate internal errors.
| let mut values = vec![]; | ||
| let mut offsets = vec![0]; | ||
| // values are date32s | ||
| let values_builder = Date32Builder::new(); |
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👍 I think this is a very nice formulation
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@alamb I rebased and updated the code to avoid those internal errors. I think root cause was me using |
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Which issue does this PR close?
closes #11823
Rationale for this change
Currently, when trying to generate a series of dates with increments less than a day, the query will hang due to loss of precision (the step size becomes 0 relative to the Date32).
What changes are included in this PR?
ListBuilderAre these changes tested?
Yes, added a test.
Are there any user-facing changes?
Minor in that queries will now error when they would've hung forever.