Merge branch 'alamb/unnest_api_try3' of github.com:alamb/arrow-datafu…

…sion into alamb/unnest_api_try3

datafusion/core/src/dataframe.rs

@@ -163,7 +163,7 @@ impl DataFrame {
     /// # async fn main() -> Result<()> {
     /// let ctx = SessionContext::new();
     /// let df = ctx.read_csv("tests/data/example.csv", CsvReadOptions::new()).await?;
-    /// let df = df.unnest_column_wtith_optons("a")?;
+    /// let df = df.unnest_column_with_options("a")?;
     /// # Ok(())
     /// # }
     /// ```