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Posted to jira@arrow.apache.org by "Lance Dacey (Jira)" <ji...@apache.org> on 2021/07/06 11:13:00 UTC
[jira] [Commented] (ARROW-13074) [Python] Start with deprecating
ParquetDataset custom attributes
[ https://issues.apache.org/jira/browse/ARROW-13074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17375518#comment-17375518 ]
Lance Dacey commented on ARROW-13074:
-------------------------------------
Any idea if this includes the partition_filename_cb function? I am still using that pretty extensively to write my "final" datasets that Power BI connects to for visualization since it allows me to overwrite each partition.
> [Python] Start with deprecating ParquetDataset custom attributes
> ----------------------------------------------------------------
>
> Key: ARROW-13074
> URL: https://issues.apache.org/jira/browse/ARROW-13074
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Joris Van den Bossche
> Assignee: Joris Van den Bossche
> Priority: Major
> Labels: pull-request-available
> Fix For: 5.0.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> As a first step for ARROW-9720, we should start with deprecating attributes/methods of {{pq.ParquetDataset}} that we would definitely not keep / are conflicting with the "dataset API".
> I am thinking of the {{pieces}} attribute (and the {{ParquetDatasetPiece}} class), the {{partitions}} attribute (and the {{ParquetPartitions}} class).
> In addition, some of the keywords are also exposed as properties (memory_map, read_dictionary, buffer_size, fs), and could be deprecated.
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