cloud-fan commented on code in PR #47581:
URL: https://github.com/apache/spark/pull/47581#discussion_r1701960014
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sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
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@@ -4603,6 +4603,15 @@ object SQLConf {
.booleanConf
.createWithDefault(true)
+ val OPTIMIZE_BETWEEN =
+ buildConf("spark.sql.optimizeBetween")
Review Comment:
It's not only an optimization, but also a correctness fix if the BETWEEN
input is nondeterministic. I think a legacy config is better here. How about
`spark.sql.legacy.duplicateBetweenInput`? By default it's false, and people can
set it to true to restore to the legacy behavior.
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