[jira] [Commented] (ARROW-16121) [Python] Deprecate the (common_)metadata(_path) attributes of ParquetDataset

["Joris Van den Bossche (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-16121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17526530#comment-17526530 ] 

Joris Van den Bossche commented on ARROW-16121:
-----------------------------------------------

Moved back to 8.0.0 milestone, the PR is ready

> [Python] Deprecate the (common_)metadata(_path) attributes of ParquetDataset
> ----------------------------------------------------------------------------
>
>                 Key: ARROW-16121
>                 URL: https://issues.apache.org/jira/browse/ARROW-16121
>             Project: Apache Arrow
>          Issue Type: Sub-task
>          Components: Python
>            Reporter: Joris Van den Bossche
>            Assignee: Alenka Frim
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 8.0.0
>
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> The custom python ParquetDataset implementation exposes the {{metadata}}, {{metadata_path}}, {{common_metadata}} and {{common_metadata_path}} attributes, something for which we didn't add an equivalent to the new dataset API. 
> Unless we still want to add something for this, we should deprecate those attributes in the legacy ParquetDataset. 
> In addition, we should also deprecate passing the {{metadata}} keyword in the ParquetDataset constructor. 



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