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https://issues.apache.org/jira/browse/ARROW-1166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney reassigned ARROW-1166:
-----------------------------------
Assignee: Fang Zheng
> Errors in Struct type's example and missing reference in Layout.md
> ------------------------------------------------------------------
>
> Key: ARROW-1166
> URL: https://issues.apache.org/jira/browse/ARROW-1166
> Project: Apache Arrow
> Issue Type: Bug
> Components: Documentation
> Affects Versions: 0.4.1
> Reporter: Fang Zheng
> Assignee: Fang Zheng
> Priority: Trivial
> Labels: documentation, easyfix
> Fix For: 0.5.0
>
> Original Estimate: 10m
> Remaining Estimate: 10m
>
> Hi,
> There seem to be several minor issues in Layout.md:
> 1. In the example for Struct type
> (https://github.com/apache/arrow/blob/master/format/Layout.md#struct-type),
> the second array element is "{null, 2}" in the text, but in the Arrow
> representation, the value buffer for field 0 has "bob" in the corresponding
> slot. Either the text should be changed from "null" to "bob", or the Null
> count, Null bitmap buffer, and Offsets buffer should be changed to count the
> second element in field 0 as null.
> 2. In the same Struct type example, the third element in the Struct array is
> "null" in text, but the value buffer for field 1 has 3 in the corresponding
> slot in the Arrow representation. The Null count, Null bitmap buffer, and
> Value buffer should be changed to count the third element in field 1 as null.
> 3. In the Dictionary encoding section
> (https://github.com/apache/arrow/blob/master/format/Layout.md#dictionary-encoding),
> there is a missing reference to "Message.fbs".
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