geruh opened a new pull request, #2204:
URL: https://github.com/apache/iceberg-python/pull/2204
Closes #2095
# Rationale for this change
Currently, we can only partition on top-level valid field types, but this PR
adds support for partitioning on primitive fields in a struct type using dot
notation to determine the partitions against the nested structure.
# Are these changes tested?
Yes added tests and tested a write against the problem in the above issue.
```
aws s3 ls s3://drusbucket/demo1/nestedPartition/data/
PRE timestamp_hour=2024-01-15-10/
PRE timestamp_hour=2024-01-15-11/
PRE timestamp_hour=2024-04-15-11/
PRE timestamp_hour=2024-05-15-10/
```
# Are there any user-facing changes?
no but now can add data to tables that are partitioned by a source column
that's in a struct
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