[VL] Support split_part
Open
enhancement
- Dominant language
- Scala
- Stars
- 1.6k
- Forks
- 657
- Avg merge
- 2d 14h
- Merged PRs (30d)
- 80
Description
### Description
In Spark, split_part is element_at(StringSplitSQL) actually.

Contributor guide
Research direction
Start by tracing how Spark's split_part expression is represented through element_at(StringSplitSQL). Compare that path with existing supported string-function handling, then add coverage for split_part and verify the relevant Spark SQL behavior in the test suite.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- scala, spark
- Domain
- data-engineering
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100