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https://issues.apache.org/jira/browse/ARROW-8158?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17062479#comment-17062479
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Ji Liu commented on ARROW-8158:
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Hi, I think one could get valid data length by
BaseVariableWidthVector#sizeOfValueBuffer.
[https://github.com/apache/arrow/blob/master/java/vector/src/main/java/org/apache/arrow/vector/BaseVariableWidthVector.java#L582]
> [Java] Getting length of data buffer and base variable width vector
> -------------------------------------------------------------------
>
> Key: ARROW-8158
> URL: https://issues.apache.org/jira/browse/ARROW-8158
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Java
> Reporter: Gaurangi Saxena
> Priority: Minor
>
> For string data buffer and base variable width vector can we have a way to
> get length of the data?
> For instance, in ArrowColumnVector in StringAccessor we use
> stringResult.start and stringResult.end, instead we would like to get length
> of the data through an exposed function.
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