jayzhan211 commented on code in PR #10560:
URL: https://github.com/apache/datafusion/pull/10560#discussion_r1629552024
##########
datafusion-examples/examples/advanced_udaf.rs:
##########
@@ -412,7 +412,7 @@ async fn main() -> Result<()> {
let df = ctx.table("t").await?;
// perform the aggregation
- let df = df.aggregate(vec![], vec![geometric_mean.call(vec![col("a")])])?;
+ let df = df.aggregate(vec![],
vec![geometric_mean.call(vec![col("a")]).build()])?;
Review Comment:
```
// geometric_mean(a FILTER b > c)
let agg = geometric_mean.call(vec![col("a")])
.filter(col("b").gt(col("c")))
let df = df.aggregate(vec![], vec![agg])?;
```
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