HeartSaVioR commented on code in PR #44961:
URL: https://github.com/apache/spark/pull/44961#discussion_r1487446994


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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/state/StateStore.scala:
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@@ -67,6 +67,16 @@ trait ReadStateStore {
   def get(key: UnsafeRow,
     colFamilyName: String = StateStore.DEFAULT_COL_FAMILY_NAME): UnsafeRow
 
+  /**
+   * Provides an iterator containing all values for a particular key. The 
values are merged

Review Comment:
   We can put the detail in the actual state store (provider) class.



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