chore: unpin duckdb

[tokoko]

drops the duckdb version pin from dev dependencies.

[coderabbitai]

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📥 Commits

Reviewing files that changed from the base of the PR and between a6aa7c6 and eb9b4a8.

⛔ Files ignored due to path filters (2)

• pixi.lock is excluded by !**/*.lock
• uv.lock is excluded by !**/*.lock

📒 Files selected for processing (3)

• examples/duckdb_example.py
• pyproject.toml
• tests/integration/test_sql_engine_roundtrip.py

No actionable comments were generated in the recent review. 🎉

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⚙️ Run configuration

• Configuration used: Repository: substrait-io/substrait-python/.coderabbit.yaml
• Review profile: CHILL
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📥 Commits

Reviewing files that changed from the base of the PR and between 3908dac and a6aa7c6.

⛔ Files ignored due to path filters (2)

• pixi.lock is excluded by !**/*.lock
• uv.lock is excluded by !**/*.lock

📒 Files selected for processing (3)

• examples/duckdb_example.py
• pyproject.toml
• tests/integration/test_sql_engine_roundtrip.py

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📝 Summary

Summary by CodeRabbit

• Tests
  • Expanded DuckDB integration coverage for retrieving schemas and query results, creating tables from test data, and checking limited queries across supported engines.

Walkthrough

The example and development dependency declarations update DuckDB versions or constraints. The integration tests use to_arrow_table(), create tables from test data, and include DuckDB through the engines parameterization.

Changes

DuckDB Updates

Layer / File(s)	Summary
Update DuckDB dependency declarations examples/duckdb_example.py, pyproject.toml	The example pins DuckDB to version 1.5.6. The development dependency no longer has a version or Python-version constraint.
Update DuckDB integration tests tests/integration/test_sql_engine_roundtrip.py	The tests use to_arrow_table() for schema and result conversion, create stores and sales tables from test data, and use engines instead of engines_duckdb_xfail for the affected tests.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Other

Suggested reviewers: nielspardon

Merge Risk: ⚪ Minimal · up to a6aa7

CI remains reproducible and the DuckDB integration updates are compatible with the locked version.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 5 functions across 2 files. (1 skipped: 1 …	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title is concise, uses a valid Conventional Commit format, and accurately describes the main change: removing the DuckDB version pin.
Description check	✅ Passed	The description states the main rationale and matches the pull request changes. It is brief but sufficient for this low-risk dependency update.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 5 functions across 2 files. (1 skipped: 1 unsupported.)

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Commit to this branch
• Create a new PR

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• Create a new PR

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