Joris Van den Bossche created ARROW-11259:
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Summary: [Python] Allow to create field reference to nested field
Key: ARROW-11259
URL: https://issues.apache.org/jira/browse/ARROW-11259
Project: Apache Arrow
Issue Type: Improvement
Components: Python
Reporter: Joris Van den Bossche
Fix For: 4.0.0
Currently in the Python layer we have {{ds.field(name)}} for referencing a
field eg when creating a filter expression.
On the C++ side, the {{FieldRef}} has the ability to reference nested fields
(eg a child of a struct), for example constructed with
{{FieldRef::FromDotPath}}.
We should think about how to enable users to reference nested fields like this
in the Python API.
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