zhangxinyao88 opened a new pull request, #18321:
URL: https://github.com/apache/iceberg/pull/18321

   Fixes #18173.
   
   Parquet `TIMESTAMP_MILLIS` statistics are stored in milliseconds, while 
Iceberg timestamps use microseconds. This converts the bounds before row-group 
filtering and file-metrics creation.
   
   The regression test covers timestamps with and without UTC adjustment, 
including both pruning directions.
   
   Tests: `./gradlew :iceberg-parquet:spotlessCheck :iceberg-parquet:test`
   
   ---
   **AI Disclosure**
   - Model: GPT-5
   - Platform/Tool: Codex
   - Human Oversight: reviewed
   - Prompt Summary: Reproduced the `TIMESTAMP_MILLIS` statistics pruning bug 
and implemented the millis-to-micros conversion with tests.
   


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