Add reproducer for #8738 #8750
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Add reproducer for #8738 #8750
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tustvold
approved these changes
Jan 4, 2024
| # Reproducer for https://github.com/apache/arrow-datafusion/issues/8738 | ||
| # This query should work correctly | ||
| query error DataFusion error: External error: Arrow error: Invalid argument error: RowConverter column schema mismatch, expected Utf8 got Dictionary\(Int32, Utf8\) | ||
| SELECT |
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FWIW all the quoting makes this quite hard to read, and doesn't appear to be necessary
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I agree it is not necessary, however it is what we tell our customers to do (so they don't have to deal with the upper/lower case distinction) and thus it is very common in our production systems
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Which issue does this PR close?
Part of #8738
Rationale for this change
#8738 is a regression, but there was no test coverage. Thus I would like to ensure we don't introduce additional bugs while fixing it or in the future
We have also hit similar regressions in the past related to handling of dictionaries.
What changes are included in this PR?
Introduce a test that contains basic timeseries data with a schema like we use, along with several queries, including the one that errors due to #8738
Are these changes tested?
The change is all tests
Are there any user-facing changes?
No, this is test change only