• [Python] pandas internals: avoid using DatetimeTZBlock  #38341
• [Python] pandas internals: Passing a manager object to DataFrame() constructor is deprecated #38342

Describe the bug, including details regarding any error messages, version, and platform.

ATM pyarrow passes a BlockManager to the pd.DataFrame constructor, but in doing so accesses pandas functions/classes that are not public and that some pandas maintainers (me) would like to ween arrow off of (xref pandas-dev/pandas#52419).

@jorisvandenbossche tells me the current usage is performance motivated, particularly (but not exclusively?) the performance hit associated with pandas silently consolidating, which it no longer does in 2.0.

Let's see if we can find an alternative using pandas' public API. Starting bid: is pd.DataFrame.from_arrays a viable alternative?

Component(s)

Python