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https://issues.apache.org/jira/browse/ARROW-1463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16424570#comment-16424570
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ASF GitHub Bot commented on ARROW-1463:
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BryanCutler commented on issue #1831: ARROW-1463: [Java] Cleanup usage of
Types.MinorType to MinorType
URL: https://github.com/apache/arrow/pull/1831#issuecomment-378392269
Thanks @icexelloss! Does this cleanup look ok from your end
@siddharthteotia ?
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> [JAVA] Restructure ValueVector hierarchy to minimize compile-time generated
> code
> --------------------------------------------------------------------------------
>
> Key: ARROW-1463
> URL: https://issues.apache.org/jira/browse/ARROW-1463
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Java - Memory, Java - Vectors
> Reporter: Jacques Nadeau
> Assignee: Siddharth Teotia
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.9.0
>
>
> The templates used in the java package are very high mainteance and the if
> conditions are hard to track. As started in the discussion here:
> https://github.com/apache/arrow/pull/1012, I'd like to propose that we modify
> the structure of the internal value vectors and code generation dynamics.
> Create new abstract base vectors:
> BaseFixedVector
> BaseVariableVector
> BaseNullableVector
> For each of these, implement all the basic functionality of a vector without
> using templating.
> Evaluate whether to use code generation to generate specific specializations
> of this functionality for each type where needed for performance purposes
> (probably constrained to mutator and accessor set/get methods). Giant and
> complex if conditions in the templates are actually worse from my perspective
> than a small amount of hand written duplicated code since templates are much
> harder to work with.
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