HeartSaVioR commented on a change in pull request #33870:
URL: https://github.com/apache/spark/pull/33870#discussion_r699272824
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/HDFSBackedStateStoreMap.scala
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@@ -129,7 +129,11 @@ class PrefixScannableHDFSBackedStateStoreMap(
other match {
case o: PrefixScannableHDFSBackedStateStoreMap =>
map.putAll(o.map)
- prefixKeyToKeysMap.putAll(o.prefixKeyToKeysMap)
Review comment:
This leads the prefix key maps across versions to "share" the values
which it shouldn't. (especially the case of rolling back)
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