NATS Jetstream specify stream name

[rucciva]

I saw from the source code that the stream name will be automatically resolved based on subject filter. This is convenient but i think in the deployment that has multiple stream for specific subject, the sdk will throw ErrMoreThanOneStream. Is it discouraged to allow for the user to specify the stream name manually through the option func?

[stephen-totty-hpe]

Adding a WithConsumerStream(streamName string) ProtocolOption option sounds OK. However, the implementation would need to change if a streamName is provided. Currently the jetstream API function StreamNameBySubject only returns one stream when given a subject. I guess if the stream option is given, you could blindly trust it and simply return the given streamName in getStreamFromSubjects. Would have to see if there is some way to get more than one stream back if you want to really verify that the subject and stream are acceptable. I guess if there is a problem with the option, you will later get an error in createJetstreamConsumer.

[rucciva]

thanks @stephen-totty-hpe , would you guys accept PR? i can try to add the functionality

[duglin]

PRs are always welcome!