cloud-fan commented on code in PR #48523:
URL: https://github.com/apache/spark/pull/48523#discussion_r1825276448
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sql/core/src/test/scala/org/apache/spark/sql/SparkSessionExtensionSuite.scala:
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@@ -543,6 +545,20 @@ class SparkSessionExtensionSuite extends SparkFunSuite
with SQLHelper with Adapt
}
}
}
+
+ test("test custom aggregate hint") {
+ // The custom hint allows us to replace the aggregate (without grouping
keys) with just
+ // Literal.
+
withSession(Seq(_.injectHintResolutionRule(CustomerAggregateHintResolutionRule),
+ _.injectOptimizerRule(CustomAggregateRule))) { session =>
+ val res = ((session.range(10).agg(max("id")).as("max_id"))).
Review Comment:
```suggestion
val res = session.range(10).agg(max("id")).as("max_id").
```
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