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https://issues.apache.org/jira/browse/ARROW-1785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16275145#comment-16275145
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ASF GitHub Bot commented on ARROW-1785:
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icexelloss commented on issue #1297: ARROW-1785: [Format/C++/Java] Remove
VectorLayout from serialized schemas
URL: https://github.com/apache/arrow/pull/1297#issuecomment-348637341
@siddharthteotia `VectorLayout` and `TypeLayout` are no longer part of the
serialized schema.
`VectorLayout` and `ArrowVectorType` are renamed to `BufferLayout` and
`BufferType` and they are just internal classes now.
Other changes to Java are to Reader/Writer classes 0- they no longer
read/write type layout when reading/writing schema.
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> [Format] Remove VectorLayout metadata from Flatbuffers metadata
> ---------------------------------------------------------------
>
> Key: ARROW-1785
> URL: https://issues.apache.org/jira/browse/ARROW-1785
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++, Format, Java - Vectors
> Reporter: Wes McKinney
> Assignee: Wes McKinney
> Labels: pull-request-available
> Fix For: 0.8.0
>
>
> Based on the discussions on the mailing list, we should remove the
> VectorLayout metadata from the Flatbuffers spec for 0.8.0 since we are
> already breaking the metadata. We should instead make the buffer layouts an
> immutable part of the format specification so there is no ambiguity about
> what buffers accompany each type of field in an Arrow payload
> see also ARROW-1693
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