apache / apache/arrow-java

[JAVA] Add support for ExtensionType for UnionWriter

Open
#810 0 comments 0 reactions 0 assignees View on GitHub
Type: enhancement
Dominant language
Java
Stars
94
Forks
152
Avg merge
3d 16h
Merged PRs (30d)
11

Description

### Describe the enhancement requested

Complex writer already supports ExtensionType, UnionWriter should also be updated

Contributor guide

Open the contributing guide

Research direction

Start by locating UnionWriter and the existing Complex writer support for ExtensionType, then compare how the two writers handle extension values. Confirm the expected behavior from the existing Complex writer implementation and add matching UnionWriter coverage; done means UnionWriter supports ExtensionType consistently with Complex writer.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
data
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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