chore: Format examples in doc strings - spark, sql, sqllogictest, sibstrait #18443
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Weijun-H
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Nov 2, 2025
datafusion/sql/src/unparser/plan.rs
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| /// .unwrap() | ||
| /// .build() | ||
| /// .unwrap(); | ||
| /// let sql = plan_to_sql(&plan).unwrap(); // convert to AST |
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It would be better to move // convert to AST to a new line.
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Hi @Weijun-H ,
thanks for the feedback! I've moved the // convert to AST comment to a new line.
PTAL when you get a chance. Thanks!
Jefffrey
reviewed
Nov 4, 2025
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| /// let expr = col("a").gt(lit(4)); // form an expression `a > 4` | ||
| /// let sql = expr_to_sql(&expr).unwrap(); // convert to ast::Expr | ||
| /// // use the Display impl to convert to SQL text | ||
| /// // use the Display impl to convert to SQL text | ||
| /// assert_eq!(sql.to_string(), "(a > 4)") |
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This looks funky; might need to move that display comment to be at the end of the assert_eq line or otherwise move all comments to their own line (before their related line of code)
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| /// let spans = get_spans( | ||
| /// "SELECT /*whole+left*/speed/*left*/ + /*right*/10/*right+whole*/ FROM cars", | ||
| /// ); | ||
| /// // whole is ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | ||
| /// // left is ^^^^^ | ||
| /// // right is ^^ |
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I think the comments below need to be adjusted as they were referring to the original format
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Which issue does this PR close?
Part of #16915
Rationale for this change
Format code examples in documentation comments to improve readability and maintain consistent code style across the codebase. This is part of a multi-PR effort to format all doc comment examples and eventually enable CI checks to enforce this formatting.
What changes are included in this PR?
Run
cargo fmt -p <crate> -- --config format_code_in_doc_comments=truefor the following datasource-related crates:datafusion-sparkdatafusion-sqldatafusion-sqllogictestdatafusion-substraitdatafusion-clidatafusion-examplesAre these changes tested?
No testing needed - this is purely a formatting change with no functional modifications.
Are there any user-facing changes?
No - this only affects documentation formatting.