andygrove commented on code in PR #3512:
URL: https://github.com/apache/arrow-datafusion/pull/3512#discussion_r973515856
##########
datafusion/core/src/dataframe.rs:
##########
@@ -1353,4 +1379,39 @@ mod tests {
Ok(())
}
+
+ #[tokio::test]
+ async fn cache_test() -> Result<()> {
+ let df = test_table()
+ .await?
+ .select_columns(&["c2", "c3"])?
+ .limit(0, Some(1))?
+ .with_column("sum", cast(col("c2") + col("c3"), DataType::Int64))?
+ .cache()
Review Comment:
Is it intentional that both DataFrames are cached?
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