Hacker News·3 min read·hard

Paging Through a Parquet File in DuckDB: File_row_number or Offset?

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Paging Through a Parquet File in DuckDB: File_row_number or Offset?
AI Summary

This technical blog post compares the performance of using LIMIT/OFFSET versus file_row_number when paging through large Parquet files in DuckDB. It concludes that row-range filtering is significantly faster and more reliable for large datasets.

Blog Paging Through a Parquet File in DuckDB: file_row_number or OFFSET? DuckDB July 30, 2026

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