[C++][Gandiva] Handle utf8 characters for castVARCHAR(string, int) function
Open
Component: Gandiva
Type: task
- Dominant language
- C++
- Stars
- 17.1k
- Forks
- 4.3k
- Avg merge
- 3d 13h
- Merged PRs (30d)
- 88
Description
**Reporter**: [Projjal Chanda](https://issues.apache.org/jira/browse/ARROW-7529) / @projjal
#### PRs and other links:
- [GitHub Pull Request #6149](https://github.com/apache/arrow/pull/6149)
**Note**: *This issue was originally created as [ARROW-7529](https://issues.apache.org/jira/browse/ARROW-7529). Please see the [migration documentation](https://github.com/apache/arrow/issues/14542) for further details.*
Contributor guide
Research direction
Review Pull Request #6149 and the Gandiva implementation of castVARCHAR(string, int) first. Done means the function handles UTF-8 characters correctly; the existing pull request should clarify the expected behavior and relevant validation.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- data-engineering
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 15/100