Github user jaceklaskowski commented on a diff in the pull request:
https://github.com/apache/spark/pull/20368#discussion_r163375534
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/joins/BroadcastJoinSuite.scala
---
@@ -126,6 +126,22 @@ class BroadcastJoinSuite extends QueryTest with
SQLTestUtils {
}
}
+ test("broadcast hint is retained in a cached plan") {
+ Seq(true, false).foreach { materialized =>
+ withSQLConf(SQLConf.AUTO_BROADCASTJOIN_THRESHOLD.key -> "-1") {
+ val df1 = spark.createDataFrame(Seq((1, "4"), (2,
"2"))).toDF("key", "value")
--- End diff --
Is `spark.createDataFrame(...)` wrapper really required? I thought `Seq((1,
"4"), (2, "2")).toDF("key", "value")` would just work fine.
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