Changelog

v0.1.0 (2026-02-21)

  • Initial release.

  • Core read() function with predicate-pushdown via pyarrow.dataset.

  • Expression parser supporting &, |, parentheses, in/not in.

  • Backtick quoting for column names with special characters.

  • Tuple and DNF filter syntax.

  • CLI tool (pqfilt) with -f expression option.

  • Multi-file and glob support.

  • Output to Parquet or CSV.