sahnib commented on code in PR #44961:
URL: https://github.com/apache/spark/pull/44961#discussion_r1483621846
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateStoreChangelog.scala:
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@@ -222,6 +232,31 @@ class StateStoreChangelogWriterV2(
size += 1
}
+ override def merge(key: Array[Byte], value: Array[Byte]): Unit = {
Review Comment:
Discussed offline, changelog v2 currently supports both column families, and
different record types (enabling support for merge operation). As different
record type is required to support merge operations, we will currently make
enableColumnFamilies as a prerequisite for merge operation.
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