Malthe Borch created ARROW-12099:
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Summary: Explode array column
Key: ARROW-12099
URL: https://issues.apache.org/jira/browse/ARROW-12099
Project: Apache Arrow
Issue Type: New Feature
Reporter: Malthe Borch
In Apache Spark,
[explode|https://spark.apache.org/docs/latest/api/sql/index.html#explode]
separates the elements of an array column (or expression) into multiple row.
This would also work with the existing
[flatten|https://arrow.apache.org/docs/python/generated/pyarrow.Table.html#pyarrow.Table.flatten]
method to allow fully unnesting a
[pyarrow.StructArray|https://arrow.apache.org/docs/python/generated/pyarrow.StructArray.html#pyarrow-structarray].
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