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Posted to issues@arrow.apache.org by "guocity (via GitHub)" <gi...@apache.org> on 2024/04/01 20:53:43 UTC
[I] pyarrow data type error cause lot of dependent project crash [arrow]
guocity opened a new issue, #40926:
URL: https://github.com/apache/arrow/issues/40926
### Describe the bug, including details regarding any error messages, version, and platform.
several project depends on pyarrow crash on type conversation
- Data Wrangler
- Polars
df = pl.DataFrame(pd)
ArrowInvalid: Could not convert '230' with type str: tried to convert to double
### Component(s)
Python
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Re: [I] [Python] pyarrow data type error cause lot of dependent project crash [arrow]
Posted by "AlenkaF (via GitHub)" <gi...@apache.org>.
AlenkaF commented on issue #40926:
URL: https://github.com/apache/arrow/issues/40926#issuecomment-2036535343
In case you have any follow-up questions, do not hesitate to re-open the issue.
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Re: [I] [Python] pyarrow data type error cause lot of dependent project crash [arrow]
Posted by "guocity (via GitHub)" <gi...@apache.org>.
guocity commented on issue #40926:
URL: https://github.com/apache/arrow/issues/40926#issuecomment-2034915856
thanks,
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Re: [I] pyarrow data type error cause lot of dependent project crash [arrow]
Posted by "AlenkaF (via GitHub)" <gi...@apache.org>.
AlenkaF commented on issue #40926:
URL: https://github.com/apache/arrow/issues/40926#issuecomment-2031299788
Could you share a concrete reproducible example so we can see where the issue might be?
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Re: [I] [Python] pyarrow data type error cause lot of dependent project crash [arrow]
Posted by "AlenkaF (via GitHub)" <gi...@apache.org>.
AlenkaF closed issue #40926: [Python] pyarrow data type error cause lot of dependent project crash
URL: https://github.com/apache/arrow/issues/40926
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Re: [I] [Python] pyarrow data type error cause lot of dependent project crash [arrow]
Posted by "guocity (via GitHub)" <gi...@apache.org>.
guocity commented on issue #40926:
URL: https://github.com/apache/arrow/issues/40926#issuecomment-2032554089
I have this dataset, when the string is mixed with float datatype, pandas will read as mixed datatype but not pyarrow,
therefore it breaks Data wrangler, and ability convert pd to polars, or export as parquet
https://drive.google.com/file/d/1uxKSIqZ7IUEQ1Qp_LgB2qSAZDQEKteJl/view?usp=sharing
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Re: [I] [Python] pyarrow data type error cause lot of dependent project crash [arrow]
Posted by "AlenkaF (via GitHub)" <gi...@apache.org>.
AlenkaF commented on issue #40926:
URL: https://github.com/apache/arrow/issues/40926#issuecomment-2032622821
Yes, Arrow array (or column) has one data type by [definition](https://arrow.apache.org/docs/dev/format/Columnar.html#terminology). Defining the column (with mixed float and string) as a string should solve the problem?
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