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

[Wes McKinney (JIRA)]

Wes McKinney created ARROW-3705:
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             Summary: [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


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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