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Posted to jira@arrow.apache.org by "Joris Van den Bossche (Jira)" <ji...@apache.org> on 2020/12/21 16:45:00 UTC
[jira] [Resolved] (ARROW-10574) [Python][Parquet] Allow collections
for 'in' / 'not in' filter (in addition to sets)
[ https://issues.apache.org/jira/browse/ARROW-10574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joris Van den Bossche resolved ARROW-10574.
-------------------------------------------
Resolution: Fixed
Issue resolved by pull request 8672
[https://github.com/apache/arrow/pull/8672]
> [Python][Parquet] Allow collections for 'in' / 'not in' filter (in addition to sets)
> ------------------------------------------------------------------------------------
>
> Key: ARROW-10574
> URL: https://issues.apache.org/jira/browse/ARROW-10574
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Weiyang Zhao
> Assignee: Weiyang Zhao
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.0.0
>
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> I would like to enhance partition filters in methods such as:
> {{pyarrow.parquet.ParquetDataset(path, filters)}}
> I am proposing the below enhancements:
> # for operator "in", "not in", the value should be any typing.Iteratable (also a container). But currently only set is supported while other iteratable, such as list, tuple cannot function correctly. I would like to change it to accept any iteratable.
> # Enhance the documents about the partition filters.
> I see there is a new version implemented with
> _ParquetDatasetV2 which already accepts an iterable. So the documentation update is fine for the new version as well.
>
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