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[Python] Array constructor doesn't support arrow scalars. #33594
Description
pa.array([pa.scalar(0)])
ArrowInvalid: Could not convert <pyarrow.Int64Scalar: 0> with type pyarrow.lib.Int64Scalar: did not recognize Python value type when inferring an Arrow data type
pa.array([pa.scalar(0)], 'int64')
ArrowInvalid: Could not convert <pyarrow.Int64Scalar: 0> with type pyarrow.lib.Int64Scalar: tried to convert to int64It seems odd that the array constructors don't recognize their own scalars.
In practice, a list of scalars has to be converted with .as_py() just to be converted back, and that also loses the type information.
Related issues:
Note: This issue was originally created as ARROW-18432. Please see the migration documentation for further details.
Activity
asfimport commentedon Dec 12, 2022
Alenka Frim / @AlenkaF:
This topic is not new and was already discussed/is tracked here: https://issues.apache.org/jira/browse/ARROW-5295
Will close this and ask to move the questions/discussion to the other issue.