Liya Fan created ARROW-6070:
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Summary: [Java] Avoid creating new schema before IPC sending
Key: ARROW-6070
URL: https://issues.apache.org/jira/browse/ARROW-6070
Project: Apache Arrow
Issue Type: Improvement
Components: Java
Reporter: Liya Fan
Assignee: Liya Fan
If a dictionary is attached to a schema, it may need to be converted before IPC
sending. When this is not the case (which is most likely in practice), there is
no need to do the conversion and no need to create a new schema.
We solve the above problem by quickly determining if conversion is required,
and if not, we avoid creating a new schema and return the original one
immediately.
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