LuciferYang commented on code in PR #55422:
URL: https://github.com/apache/spark/pull/55422#discussion_r3135529893
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sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
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@@ -4049,6 +4049,51 @@ object SQLConf {
"The threshold of window group limit must be -1, 0 or positive
integer.")
.createWithDefault(1000)
+ val WINDOW_SEGMENT_TREE_ENABLED =
+ buildConf("spark.sql.window.segmentTree.enabled")
+ .withBindingPolicy(ConfigBindingPolicy.SESSION)
+ .doc("Use block-chunked segment tree for moving aggregate window frames
" +
+ "whose functions are all DeclarativeAggregate without
FILTER/DISTINCT.")
+ .version("4.2.0")
Review Comment:
Are two of the configurations marked `internal`, while the other two are not?
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