William Ayd

GH-39386: [C++] Add floordiv compute kernel

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* GitHub Issue: #39386

Remove Dependency on tableauhyperapi

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We have a runtime dependency on the Tableauhyperapi. While this is not problematic in theory, in practice we have started to bundle our own copy of the Hyper API and...

In https://github.com/innobi/pantab/actions/runs/8403146985/job/23013334985?pr=284#step:4:341 @jorwoods gets an error like `ValueError: MakeInsertHelper: Unsupported Arrow type: 4` nanoarrow provides a function called `ArrowTypeString` that should be used in error messages. That would give us...

Document how to use generated Cython `.pxi` headers

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Sometimes when compiling pandas you end up having to compile twice to get the library to completely build. The files that get compiled the second time tend to be the...

PDEP-13: The pandas Logical Type System

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@pandas-dev/pandas-core

ENH: GroupBy.transform should accept similar arguments to GroupBy.agg

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### Feature Type - [ ] Adding new functionality to pandas - [X] Changing existing functionality in pandas - [ ] Removing existing functionality in pandas ### Problem Description ```python...

BUG: Assignment of pyarrow arrays yields unexpected dtypes

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### Pandas version checks - [X] I have checked that this issue has not already been reported. - [X] I have confirmed this bug exists on the [latest version](https://pandas.pydata.org/docs/whatsnew/index.html) of...

### Pandas version checks - [X] I have checked that this issue has not already been reported. - [X] I have confirmed this bug exists on the [latest version](https://pandas.pydata.org/docs/whatsnew/index.html) of...

ENH: Consistent naming conventions for string dtype aliases

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### Feature Type - [X] Adding new functionality to pandas - [X] Changing existing functionality in pandas - [X] Removing existing functionality in pandas ### Problem Description Right now the...

https://www.youtube.com/watch?v=XhnfybpWOgA&t=743s [00:00] Introduction [00:42] Current state of pandas + SQL integration [02:50] Key Terminology [07:45] JDBC/ODBC Architecture Overview [08:50] current pandas + SQLAlchemy flow [10:48] Issues with Missing Value Support...