[Java] Add hasNull flag to Vectors
- Dominant language
- Java
- Stars
- 94
- Forks
- 152
- Avg merge
- 3d 16h
- Merged PRs (30d)
- 11
Description
Add has null flag to Arrow Vector so that for vectors without any null, the null check process should be skipped.
**Reporter**: [Yurui Zhou](https://issues.apache.org/jira/browse/ARROW-5198) / @yuruiz
#### PRs and other links:
- [GitHub Pull Request apache/arrow#4199](https://github.com/apache/arrow/pull/4199)
**Note**: *This issue was originally created as [ARROW-5198](https://issues.apache.org/jira/browse/ARROW-5198). Please see the [migration documentation](https://github.com/apache/arrow/issues/14542) for further details.*
Contributor guide
Research direction
The issue concerns Arrow Vectors and links to pull request apache/arrow#4199; start by reviewing that pull request and the Java vector implementation it changes. Confirm the intended has-null behavior and completion status there; done means vectors without nulls skip the null-check process.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- data
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 15/100