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Posted to jira@arrow.apache.org by "Hongze Zhang (Jira)" <ji...@apache.org> on 2022/07/22 08:35:00 UTC

[jira] [Updated] (ARROW-17159) [C++][JAVA] Dataset: Support reading from fixed offset of a file for Parquet format

     [ https://issues.apache.org/jira/browse/ARROW-17159?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hongze Zhang updated ARROW-17159:
---------------------------------
    Description: This adds property start_offset_ and length_ to FileSource and should be functional for Parquet dataset format. Supporting Java and C++ dataset API at this time.  (was: With that, we can use substrait plan ReadRel_LocalFiles_FileOrFiles.start() and length() to pushdown scan filter)

> [C++][JAVA] Dataset: Support reading from fixed offset of a file for Parquet format
> -----------------------------------------------------------------------------------
>
>                 Key: ARROW-17159
>                 URL: https://issues.apache.org/jira/browse/ARROW-17159
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++, Java
>    Affects Versions: 9.0.0
>            Reporter: Jin Chengcheng
>            Assignee: Jin Chengcheng
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> This adds property start_offset_ and length_ to FileSource and should be functional for Parquet dataset format. Supporting Java and C++ dataset API at this time.



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