berkaysynnada commented on code in PR #15489:
URL: https://github.com/apache/datafusion/pull/15489#discussion_r2020254263
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datafusion/core/src/dataframe/mod.rs:
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@@ -724,6 +764,45 @@ impl DataFrame {
})
}
+ /// Calculate the union of two [`DataFrame`]s using column names,
preserving duplicate rows.
Review Comment:
eliminating/unifying duplicate rows?
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