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https://issues.apache.org/jira/browse/FLINK-12900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17323242#comment-17323242
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Flink Jira Bot commented on FLINK-12900:
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This issue is assigned but has not received an update in 7 days so it has been
labeled "stale-assigned". If you are still working on the issue, please give an
update and remove the label. If you are no longer working on the issue, please
unassign so someone else may work on it. In 7 days the issue will be
automatically unassigned.
> Refactor the class hierarchy for BinaryFormat
> ---------------------------------------------
>
> Key: FLINK-12900
> URL: https://issues.apache.org/jira/browse/FLINK-12900
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Runtime
> Reporter: Liya Fan
> Assignee: Liya Fan
> Priority: Major
> Labels: pull-request-available, stale-assigned
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The there are many classes in the class hierarchy of BinaryFormat. They share
> the same memory format:
> header + nullable bits + fixed length part + variable length part
> So many operations can be applied to a number of sub-classes. Currently, many
> such operations are implemented in each sub-class, although they implement
> identical functionality.
> This makes the code hard to understand and maintain.
> In this proposal, we refactor the class hierarchy, and move common operations
> into the base class, leaving only one implementation for each common
> operation.
>
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