cloud-fan commented on a change in pull request #24214: [SPARK-27279][SQL]
Reuse subquery should compare child plan of `SubqueryExec`
URL: https://github.com/apache/spark/pull/24214#discussion_r269347103
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -889,6 +889,12 @@ object SQLConf {
.booleanConf
.createWithDefault(true)
+ val SUBQUERY_REUSE_ENABLED = buildConf("spark.sql.subquery.reuse")
Review comment:
It's indeed a separated thing, but I'm ok to include it in this PR, as it's
obviously wrong to use `exchangeReuseEnabled` in ReuseSubquery
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