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* fix/filter-empty-batch-in-bulk-insert-api: **Add Early Return for Empty Record Batches in `bulk_insert.rs`** - Implemented an early return in the `Inserter` implementation to handle cases where `record_batch.num_rows()` is zero, improving efficiency by avoiding unnecessary processing. Signed-off-by: Lei, HUANG <mrsatangel@gmail.com> * fix/filter-empty-batch-in-bulk-insert-api: **Improve Bulk Insert Handling** - **`handle_bulk_insert.rs`**: Added a check to handle cases where the batch has zero rows, immediately returning and sending a success response with zero rows processed. - **`bulk_insert.rs`**: Enhanced logic to skip processing for masks that select none, optimizing the bulk insert operation by avoiding unnecessary iterations. These changes improve the efficiency and robustness of the bulk insert process by handling edge cases more effectively. Signed-off-by: Lei, HUANG <mrsatangel@gmail.com> * fix/filter-empty-batch-in-bulk-insert-api: ### Refactor and Error Handling Enhancements - **Refactored Timestamp Handling**: Introduced `timestamp_array_to_primitive` function in `timestamp.rs` to streamline conversion of timestamp arrays to primitive arrays, reducing redundancy in `handle_bulk_insert.rs` and `bulk_insert.rs`. - **Error Handling**: Added `InconsistentTimestampLength` error in `error.rs` to handle mismatched timestamp column lengths in bulk insert operations. - **Bulk Insert Logic**: Updated `handle_bulk_insert.rs` to utilize the new timestamp conversion function and added checks for timestamp length consistency. Signed-off-by: Lei, HUANG <mrsatangel@gmail.com> * fix/filter-empty-batch-in-bulk-insert-api: **Refactor `bulk_insert.rs` to streamline imports** - Simplified import statements by removing unused timestamp-related arrays and data types from the `arrow` crate in `bulk_insert.rs`. Signed-off-by: Lei, HUANG <mrsatangel@gmail.com> --------- Signed-off-by: Lei, HUANG <mrsatangel@gmail.com> Signed-off-by: evenyag <realevenyag@gmail.com>