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Check window functions by str for with_column #12431

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merged 5 commits into from
Sep 11, 2024

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timsaucer
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Which issue does this PR close?

Closes #12425

Rationale for this change

The current implementation regresses when you have multiple columns without a qualifier and the new with_column is a window function. This is because the loop is checking for any field to not have a qualifier.

What changes are included in this PR?

Check the display name of the expr in the schema matches that of the window function that was added.

Are these changes tested?

Updated unit test

Are there any user-facing changes?

None

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@alamb alamb left a comment

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The code ane test makes sense to me. Thank you @timsaucer

datafusion/core/src/dataframe/mod.rs Outdated Show resolved Hide resolved
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@comphead comphead left a comment

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lgtm thanks @timsaucer

@comphead comphead merged commit 13dc8a6 into apache:main Sep 11, 2024
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Successfully merging this pull request may close these issues.

Calling with_column twice generates an error when the second call uses a window function
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