feat/add file sort order

[dlovell]

No description provided.

[mesejo]

The parquet_utils.py file is missing

[codecov]

Codecov Report

Attention: Patch coverage is 90.41096% with 7 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
python/letsql/backends/let/tests/conftest.py	73.91%	6 Missing ⚠️
python/letsql/expr/__init__.py	75.00%	1 Missing ⚠️

Files with missing lines	Coverage Δ
python/letsql/backends/let/__init__.py	78.46% <100.00%> (+1.22%)	⬆️
python/letsql/backends/let/tests/test_client.py	100.00% <100.00%> (ø)
python/letsql/common/utils/parquet_utils.py	100.00% <100.00%> (ø)
python/letsql/expr/__init__.py	85.71% <75.00%> (-14.29%)	⬇️
python/letsql/backends/let/tests/conftest.py	89.87% <73.91%> (-6.56%)	⬇️

... and 1 file with indirect coverage changes

[codspeed-hq]

CodSpeed Performance Report

Merging #379 will degrade performances by 55.08%

_{Comparing feat/add-file-sort-order (d6d0593) with main (3e4c438)}

Summary

❌ 1 regressions
✅ 1 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	main	feat/add-file-sort-order	Change
❌	test_into_backend_cache	105.5 ms	234.8 ms	-55.08%