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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/04/05 01:24:00 UTC
[jira] [Work logged] (BEAM-14236) [Python] Write to Parquet support for list to conform with Apache Parquet specification

     [ https://issues.apache.org/jira/browse/BEAM-14236?focusedWorklogId=752594&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-752594 ]

ASF GitHub Bot logged work on BEAM-14236:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 05/Apr/22 01:23
            Start Date: 05/Apr/22 01:23
    Worklog Time Spent: 10m 
      Work Description: Shiv22Wabale opened a new pull request, #17279:
URL: https://github.com/apache/beam/pull/17279

   …et specification for Python SDK
   
   Added flag driven apache parquet conform write for type list.
   
   GitHub Actions Tests Status (on master branch)
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Issue Time Tracking
-------------------

            Worklog Id:     (was: 752594)
    Remaining Estimate: 0h
            Time Spent: 10m

> [Python] Write to Parquet support for list to conform with Apache Parquet specification
> ---------------------------------------------------------------------------------------
>
>                 Key: BEAM-14236
>                 URL: https://issues.apache.org/jira/browse/BEAM-14236
>             Project: Beam
>          Issue Type: Bug
>          Components: io-py-parquet
>            Reporter: Shivraj Devidas Wabale
>            Assignee: Shivraj Devidas Wabale
>            Priority: P2
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> ARROW-11497 The pyarrow parquet writer now support the list type contains 3 level where the middle level, named {{{}list{}}}, must be a repeated group with a single field named _{{element. [https://github.com/apache/parquet-format/blob/master/LogicalTypes.md#lists|https://github.com/apache/parquet-format/blob/master/LogicalTypes.md#lists,]}}_
> I think we can simply populate it to [WriteToParquet |https://github.com/apache/beam/blob/master/sdks/python/apache_beam/io/parquetio.py#L358]by adding additional flag (use_compliant_nested_type) to 
>  conform with Apache Parquet specification.
> h4.



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