Improve ProjectionExpr documentation and comments#19263
Merged
adriangb merged 2 commits intoapache:mainfrom Dec 11, 2025
Merged
Improve ProjectionExpr documentation and comments#19263adriangb merged 2 commits intoapache:mainfrom
adriangb merged 2 commits intoapache:mainfrom
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alamb
commented
Dec 10, 2025
| // This is what the physicalfile schema is coerced to. | ||
| // - The physical file schema: this is the schema as defined by the parquet file. This is what the parquet file actually contains. | ||
| // This is what the physical file schema is coerced to. | ||
| // - The physical file schema: this is the schema that the arrow-rs |
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I found the "what the file contains" confusing -- Parquet has different datatypes than Arrow
adriangb
approved these changes
Dec 10, 2025
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Which issue does this PR close?
Rationale for this change
While reviewing #19111 from @adriangb I found a few places that the documentation could be improved to give higher level context
What changes are included in this PR?
Update some docs and comments
Are these changes tested?
By cos
Are there any user-facing changes?
Just docs/comments. No functional changes