alamb commented on code in PR #5518:
URL: https://github.com/apache/arrow-datafusion/pull/5518#discussion_r1140068980
##########
datafusion/core/tests/dataframe.rs:
##########
@@ -35,6 +36,58 @@ use datafusion::{assert_batches_eq,
assert_batches_sorted_eq};
use datafusion_expr::expr::{GroupingSet, Sort};
use datafusion_expr::{avg, col, count, lit, max, sum, Expr, ExprSchemable};
+#[tokio::test]
+async fn count_wildcard() -> Result<()> {
+ let ctx = SessionContext::new();
+ let testdata = datafusion::test_util::parquet_test_data();
+
+ ctx.register_parquet(
+ "alltypes_tiny_pages",
+ &format!("{testdata}/alltypes_tiny_pages.parquet"),
+ ParquetReadOptions::default(),
+ )
+ .await?;
+
+ let sql_results = ctx
+ .sql("select count(*) from alltypes_tiny_pages")
+ .await?
+ .explain(false, false)?
+ .collect()
+ .await?;
+
+ let df_results = ctx
+ .table("alltypes_tiny_pages")
+ .await?
+ .aggregate(vec![], vec![count(Expr::Wildcard)])?
+ .explain(false, false)
+ .unwrap()
+ .collect()
+ .await?;
+
+ //make sure sql plan same with df plan
+ assert_eq!(
Review Comment:
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