cloud-fan commented on code in PR #40390:
URL: https://github.com/apache/spark/pull/40390#discussion_r1299551915
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sql/core/src/test/scala/org/apache/spark/sql/CachedTableSuite.scala:
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@@ -512,6 +512,9 @@ class CachedTableSuite extends QueryTest with SQLTestUtils
* Verifies that the plan for `df` contains `expected` number of Exchange
operators.
*/
private def verifyNumExchanges(df: DataFrame, expected: Int): Unit = {
+ withSQLConf(SQLConf.AUTO_BROADCASTJOIN_THRESHOLD.key -> "-1") {
+ df.collect()
+ }
Review Comment:
Can we add a comment to explain why we need to force shuffle join here?
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