afiodorov opened a new pull request, #1743:
URL: https://github.com/apache/iceberg-python/pull/1743
I want to a) be able to add files that a partitioned by the filename
convention, e.g. s3://bucket/table/year=2025/month=12
b) add files even if they have extra columns without having to migrate the
table
This comes from a common pattern of having existing hive tables and the need
to migrate them to iceberg.
I propose we can achieve this by doing
`
pattern = re.compile(r"([^/]+)=([^/]+)")
def deduct_partition(path: str) -> Record:
return Record(**dict(pattern.findall(path))
table.add_files(['s3://bucket/table/year=2025/month=12/file.parquet'],
check_schema=False, partition_deductor=deduct_partition)
`
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