lukecwik commented on a change in pull request #15704:
URL: https://github.com/apache/beam/pull/15704#discussion_r727581454
##########
File path:
sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java
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@@ -2438,6 +2438,62 @@ public void processElement(
pipeline.run();
}
+ @Test
+ @Category({
+ ValidatesRunner.class,
+ UsesStatefulParDo.class,
+ UsesMapState.class,
+ UsesTestStream.class
+ })
+ public void testMapStateNoReadOnReadableState() {
+ final String stateId = "foo";
+ final String countStateId = "count";
+
+ DoFn<KV<String, KV<String, Integer>>, KV<String, Integer>> fn =
+ new DoFn<KV<String, KV<String, Integer>>, KV<String, Integer>>() {
+
+ @StateId(stateId)
+ private final StateSpec<MapState<String, Integer>> mapState =
+ StateSpecs.map(StringUtf8Coder.of(), VarIntCoder.of());
+
+ @StateId(countStateId)
+ private final StateSpec<CombiningState<Integer, int[], Integer>>
countState =
+ StateSpecs.combiningFromInputInternal(VarIntCoder.of(),
Sum.ofIntegers());
Review comment:
Is coder inference broken if we rely on `StateSpec#combining`?
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