DenineLu

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For DOM parser, how to convert JsonValue to byte array or string? For example: ```java byte[] json = toUtf8("{\"a\": {\"b\": \"c\"}}"); JsonValue jsonValue = parser.parse(json, json.length); JsonValue res = jsonValue.get("a");...

[SPARK-49968][SQL] The split function produces incorrect results with an empty regex and a limit

3

### What changes were proposed in this pull request? After [SPARK-40194](https://github.com/apache/spark/pull/37631), the current behavior of the split function is as follows: ``` select split('hello', 'h', 1) // result is ["hello"]...