cloud-fan commented on code in PR #48867:
URL: https://github.com/apache/spark/pull/48867#discussion_r1846806346
##########
sql/core/src/test/scala/org/apache/spark/sql/connector/V1WriteFallbackSuite.scala:
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@@ -198,6 +202,38 @@ class V1WriteFallbackSuite extends QueryTest with
SharedSparkSession with Before
SparkSession.setDefaultSession(spark)
}
}
+
+ test("SPARK-50315: metrics for V1 fallback writers") {
+ val session = SparkSession.builder()
+ .master("local[1]")
+ .config(V2_SESSION_CATALOG_IMPLEMENTATION.key,
classOf[V1FallbackTableCatalog].getName)
+ .getOrCreate()
+
+ def captureWrite(thunk: => Unit): SparkPlan = {
+ val physicalPlans = withPhysicalPlansCaptured(spark, thunk)
+ val v1FallbackWritePlans = physicalPlans.filter {
+ case _: AppendDataExecV1 | _: OverwriteByExpressionExecV1 => true
+ case _ => false
+ }
+
+ assert(v1FallbackWritePlans.size === 1)
+ v1FallbackWritePlans.head
+ }
+
+ val appendPlan = captureWrite {
+ val df = session.createDataFrame(Seq((1, "x")))
+ df.write.mode("append").option("name",
"t1").format(v2Format).saveAsTable("test")
+ }
+ assert(appendPlan.metrics("numOutputRows").value === 1)
+
+ session.catalog.cacheTable("test")
Review Comment:
why do we need to cache it?
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