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https://issues.apache.org/jira/browse/ARROW-60?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15238096#comment-15238096
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Kai Zheng commented on ARROW-60:
--------------------------------
Which virtual method call did you mention? I thought for these builders it
maybe ok to have virtual calls unless it's propagational to the real data
passed to.
I'm reading the codes as you suggested above. It looks not clear for me class
{{ListBuilder}} public extends {{Int32Builder}}. Not sure there is a
relationship here but I guess it's to share and reuse some variables and
methods?
> C++: Struct type builder API
> -----------------------------
>
> Key: ARROW-60
> URL: https://issues.apache.org/jira/browse/ARROW-60
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++
> Reporter: Wes McKinney
> Assignee: Kai Zheng
>
> At the moment, we are able to represent struct metadata but not actually
> build struct-type arrays.
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