caicancai commented on code in PR #9250:
URL: https://github.com/apache/arrow-datafusion/pull/9250#discussion_r1493930314
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datafusion/core/src/dataframe/mod.rs:
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@@ -337,6 +337,20 @@ impl DataFrame {
/// Return a new DataFrame that adds the result of evaluating one or more
/// window functions ([`Expr::WindowFunction`]) to the existing columns
+ /// # Example
+ /// ```
+ /// # use datafusion::prelude::*;
+ /// # use datafusion::error::Result;
+ /// # #[tokio::main]
+ /// # async fn main() -> Result<()> {
+ /// let ctx = SessionContext::new();
+ /// let df = ctx.read_csv("tests/data/example.csv",
CsvReadOptions::new()).await?;
Review Comment:
ok
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