zecookiez commented on code in PR #50572:
URL: https://github.com/apache/spark/pull/50572#discussion_r2052760583
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
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@@ -2569,10 +2569,11 @@ object SQLConf {
.internal()
.doc("State format version used by streaming join operations in a
streaming query. " +
"State between versions are tend to be incompatible, so state format
version shouldn't " +
- "be modified after running.")
+ "be modified after running. Version 3 uses a single state store with
virtual column " +
+ "families instead of four stores.")
Review Comment:
Yes, good idea. Just added a comment about this version only supported for
RocksDB, thanks!
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