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### What changes were proposed in this pull request? According https://github.com/duckdb/duckdb/issues/17189, Change the `struct` method in spark.sql.functions. ### Why are the changes needed? From PySpark docs: [pyspark.sql.functions.struct](https://spark.apache.org/docs/latest/api/python/reference/pyspark.sql/api/pyspark.sql.functions.struct.html) struct() should accept...

HIVE-28994: Implement direct sql for getAllDatabases and getDatabases in RawStore

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### What changes were proposed in this pull request? Implement direct sql for getAllDatabases and getDatabases in RawStore. ### Why are the changes needed? Improve the performance of getAllDatabases and...

HIVE-29021: Update implementation for HMSHandler#get_databases

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### What changes were proposed in this pull request? Update implementation for HMSHandler#get_databases ### Why are the changes needed? [HIVE-28921](https://github.com/apache/hive/pull/5782) modified the HMSHandler#get_databases and re-implemented it using get_databases_req. Here does...