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Posted to issues@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2019/09/18 14:55:00 UTC

[jira] [Commented] (ARROW-3705) [Python] Add "nrows" argument to parquet.read_table read indicated number of rows from file instead of whole file

    [ https://issues.apache.org/jira/browse/ARROW-3705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16932528#comment-16932528 ] 

Antoine Pitrou commented on ARROW-3705:
---------------------------------------

[~jorisvandenbossche]

> [Python] Add "nrows" argument to parquet.read_table read indicated number of rows from file instead of whole file
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: ARROW-3705
>                 URL: https://issues.apache.org/jira/browse/ARROW-3705
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: Python
>            Reporter: Wes McKinney
>            Priority: Major
>              Labels: dataset, parquet
>             Fix For: 1.0.0
>
>
> This patterns {{nrows}} in {{pandas.read_csv}}
> inspired by https://stackoverflow.com/questions/53152671/how-to-read-sample-records-parquet-file-in-s3



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