[jira] [Resolved] (ARROW-9116) [C++] Add BinaryArray::total_values_length()

["Kouhei Sutou (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-9116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kouhei Sutou resolved ARROW-9116.
---------------------------------
    Resolution: Fixed

Issue resolved by pull request 7426
[https://github.com/apache/arrow/pull/7426]

> [C++] Add BinaryArray::total_values_length()
> --------------------------------------------
>
>                 Key: ARROW-9116
>                 URL: https://issues.apache.org/jira/browse/ARROW-9116
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Antoine Pitrou
>            Assignee: Wes McKinney
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 1.0.0
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> It's often useful to compute the total data size of a binary array.
> Sample implementation:
> {code:c++}
>   int64_t total_values_length() const {
>     return raw_value_offsets_[length() + data_->offset] - raw_value_offsets_[data_->offset];
>   }
> {code}



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