Xiaoxuan

AWS: Support preload S3 client mode for S3FileIO

3

Adding support for Initializing S3 client during the S3FileIO initialization. This is needed to deal with a scenario in which S3 files need to be deleted after table has been...

Spark: Support rewrite file with z-order for nested Struct type

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### Notes This change adds support for rewriting files with Z-ordering for nested Struct types in Iceberg. This allows more efficient data organization and retrieval in scenarios where nested Struct...

[HUDI-8431] Remove redundant table and timeline validity check in HoodieStreamer

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### Change Logs - Remove `targetBasePath` check because Hudi should just throw `TableNotFoundException ` later on if this path is not valid/does not exist. - Remove redundant initialization of `HoodieTableMetaClient`...