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Posted to jira@arrow.apache.org by "Neal Richardson (Jira)" <ji...@apache.org> on 2022/09/04 19:28:00 UTC

[jira] [Updated] (ARROW-17556) [C++] Unbound scan projection expression leads to all fields being loaded

     [ https://issues.apache.org/jira/browse/ARROW-17556?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Neal Richardson updated ARROW-17556:
------------------------------------
    Fix Version/s: 10.0.0

> [C++] Unbound scan projection expression leads to all fields being loaded
> -------------------------------------------------------------------------
>
>                 Key: ARROW-17556
>                 URL: https://issues.apache.org/jira/browse/ARROW-17556
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>            Reporter: Weston Pace
>            Assignee: Weston Pace
>            Priority: Major
>             Fix For: 10.0.0
>
>
> If a projection expression is unbound then we should bind it to the (augmented) dataset schema and carry on.  Instead it appears we are interpreting "unbound expression" as "nothing set at all" and loading all fields.



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