sahnib commented on code in PR #44961:
URL: https://github.com/apache/spark/pull/44961#discussion_r1483693613
##########
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateStoreChangelog.scala:
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@@ -155,6 +161,11 @@ class StateStoreChangelogWriterV1(
operationName = "Delete", entity = "changelog writer v1")
}
+ override def merge(key: Array[Byte], value: Array[Byte], colFamilyName:
String): Unit = {
+ throw new UnsupportedOperationException("Operation not supported with
state " +
Review Comment:
ChangelogCheckpointingWriterV1 currently throws
UnsupportedOperationException for all column family based operations. I
followed the same approach here. Would the user ever hit this directly? We have
guardrails in state store initialization to ensure such a scenario never
happens, right?
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