vanzin commented on a change in pull request #26108: [SPARK-26154][SS]
Streaming left/right outer join should not return outer nulls for already
matched rows
URL: https://github.com/apache/spark/pull/26108#discussion_r335150022
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -1069,6 +1069,16 @@ object SQLConf {
.checkValue(v => Set(1, 2).contains(v), "Valid versions are 1 and 2")
.createWithDefault(2)
+ val STREAMING_JOIN_STATE_FORMAT_VERSION =
Review comment:
I still don't get why this needs to be a config.
Shouldn't the version be recorded in the state store itself? As in, when you
open it and read its data, there's a version number recorded there. (Or if
there isn't, then it's the "legacy" version where the version was not written.)
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