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Update PyArrow conversion and arrow/parquet tests for pyarrow 19.0 #60716

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With the upcoming pyarrow 19.0, it should start returning the future default string dtype itself, which will require some (test) changes on our side.

@jorisvandenbossche jorisvandenbossche added this to the 2.3 milestone Jan 13, 2025
@jorisvandenbossche jorisvandenbossche added Compat pandas objects compatability with Numpy or Python functions IO Parquet parquet, feather Arrow pyarrow functionality labels Jan 13, 2025
@WillAyd
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WillAyd commented Jan 13, 2025

Thanks for tackling this. Maybe we should also have a note in our string guide about preferring PyArrow > 19 to ensure better type preservation?

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