n0r0shi opened a new pull request, #3589:
URL: https://github.com/apache/datafusion-comet/pull/3589
## Summary
- Wire `ilike` from the `datafusion-spark` crate (`SparkILike`) to Comet
- Register in `jni_api.rs` and add serde mapping in `QueryPlanSerde.scala`
- Custom handler `CometILike` in `strings.scala` to reject non-default
escape characters
- ILIKE requires case-insensitive comparison which depends on
locale-specific case conversion. When `spark.comet.caseConversion.enabled` is
disabled (default), ILIKE falls back to Spark to avoid incompatibilities with
Rust's Unicode-based `to_lowercase()` vs Java's locale-aware rules (e.g.
Turkish I)
Please let me know if the `caseConversion` handling is not appropriate
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