scwhittle commented on code in PR #36218:
URL: https://github.com/apache/beam/pull/36218#discussion_r2459379775
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model/fn-execution/src/main/proto/org/apache/beam/model/fn_execution/v1/beam_fn_api.proto:
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@@ -1009,6 +1009,29 @@ message StateKey {
bytes key = 4;
}
+ // Represents a request for all of the entries of a multimap associated with
a
+ // specified user key and window for a PTransform. See
+ // https://s.apache.org/beam-fn-state-api-and-bundle-processing for further
+ // details.
+ //
+ // Can only be used to perform StateGetRequests and StateClearRequests on the
+ // user state.
+ //
+ // The response data stream will be a concatenation of pairs, where the first
+ // component is the map key and the second component is a concatenation of
+ // values associated with that map key.
+ message MultimapEntriesUserState {
Review Comment:
maybe we should add a capability for Multimap support similar to ordered
list state?
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