g1geordie commented on pull request #10190:
URL: https://github.com/apache/kafka/pull/10190#issuecomment-815594893
@bbejeck
Thanks for your response !!
I see the compatibility claim in NamedInternal.
```
String orElseGenerateWithPrefix(final InternalNameProvider provider, final
String prefix) {
// We actually do not need to generate processor names for operation
if a name is specified.
// But before returning, we still need to burn index for the
operation to keep topology backward compatibility.
...
}
```
The index is not correct in
SuppressTopologyTest.shouldApplyNameToSuppressionNode.
```
without `.suppress(... .withName("asdf"))` name option.
Topologies:
Sub-topology: 0
Source: KSTREAM-SOURCE-0000000000 (topics: [input])
--> KSTREAM-AGGREGATE-0000000002
Processor: KSTREAM-AGGREGATE-0000000002 (stores:
[KSTREAM-AGGREGATE-STATE-STORE-0000000001])
--> KTABLE-SUPPRESS-0000000003
<-- KSTREAM-SOURCE-0000000000
Processor: KTABLE-SUPPRESS-0000000003 (stores:
[KTABLE-SUPPRESS-STATE-STORE-0000000004])
--> KTABLE-TOSTREAM-0000000005
<-- KSTREAM-AGGREGATE-0000000002
Processor: KTABLE-TOSTREAM-0000000005 (stores: [])
--> KSTREAM-SINK-0000000006
<-- KTABLE-SUPPRESS-0000000003
Sink: KSTREAM-SINK-0000000006 (topic: output)
<-- KTABLE-TOSTREAM-0000000005
```
So I change expected index to below .
```
Topologies:
Sub-topology: 0
Source: KSTREAM-SOURCE-0000000000 (topics: [input])
--> KSTREAM-AGGREGATE-0000000002
Processor: KSTREAM-AGGREGATE-0000000002 (stores:
[KSTREAM-AGGREGATE-STATE-STORE-0000000001])
--> asdf
<-- KSTREAM-SOURCE-0000000000
Processor: asdf (stores: [asdf-store])
--> KTABLE-TOSTREAM-0000000005
<-- KSTREAM-AGGREGATE-0000000002
Processor: KTABLE-TOSTREAM-0000000005 (stores: [])
--> KSTREAM-SINK-0000000006
<-- asdf
Sink: KSTREAM-SINK-0000000006 (topic: output)
<-- KTABLE-TOSTREAM-0000000005
```
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