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Posted to jira@arrow.apache.org by "Micah Kornfield (Jira)" <ji...@apache.org> on 2021/03/26 21:07:00 UTC

[jira] [Updated] (ARROW-12099) [Python] Explode array column

     [ https://issues.apache.org/jira/browse/ARROW-12099?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Micah Kornfield updated ARROW-12099:
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    Component/s: Python

> [Python] Explode array column
> -----------------------------
>
>                 Key: ARROW-12099
>                 URL: https://issues.apache.org/jira/browse/ARROW-12099
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: Python
>            Reporter: Malthe Borch
>            Priority: Major
>
> 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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