jiangzhx commented on code in PR #5226:
URL: https://github.com/apache/arrow-datafusion/pull/5226#discussion_r1118296004
##########
datafusion/core/src/dataframe.rs:
##########
@@ -302,6 +306,177 @@ impl DataFrame {
))
}
+ /// Summary statistics for a DataFrame. Only summarizes numeric datatypes
at the moment and
+ /// returns nulls for non numeric datatypes. Try in keep output similar to
pandas
+ ///
+ /// ```
+ /// # use datafusion::prelude::*;
+ /// # use datafusion::error::Result;
+ /// # use arrow::util::pretty;
+ /// # #[tokio::main]
+ /// # async fn main() -> Result<()> {
+ /// let ctx = SessionContext::new();
+ /// let df = ctx.read_csv("tests/tpch-csv/customer.csv",
CsvReadOptions::new()).await?;
+ /// df.describe().await?;
+ ///
+ /// # Ok(())
+ /// # }
+ /// ```
+ pub async fn describe(self) -> Result<()> {
+ Ok(print_batches(
Review Comment:
thanks , it's great suggestion.
fixed
##########
datafusion/core/src/dataframe.rs:
##########
@@ -302,6 +306,177 @@ impl DataFrame {
))
}
+ /// Summary statistics for a DataFrame. Only summarizes numeric datatypes
at the moment and
+ /// returns nulls for non numeric datatypes. Try in keep output similar to
pandas
+ ///
+ /// ```
+ /// # use datafusion::prelude::*;
+ /// # use datafusion::error::Result;
+ /// # use arrow::util::pretty;
+ /// # #[tokio::main]
+ /// # async fn main() -> Result<()> {
+ /// let ctx = SessionContext::new();
+ /// let df = ctx.read_csv("tests/tpch-csv/customer.csv",
CsvReadOptions::new()).await?;
+ /// df.describe().await?;
+ ///
+ /// # Ok(())
+ /// # }
+ /// ```
+ pub async fn describe(self) -> Result<()> {
+ Ok(print_batches(
Review Comment:
thanks , it's a great suggestion.
fixed
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