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https://issues.apache.org/jira/browse/FLINK-3769?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Subhankar Biswas reassigned FLINK-3769:
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Assignee: Subhankar Biswas
> RabbitMQ Sink ability to publish to a different exchange
> --------------------------------------------------------
>
> Key: FLINK-3769
> URL: https://issues.apache.org/jira/browse/FLINK-3769
> Project: Flink
> Issue Type: Improvement
> Components: Streaming Connectors
> Affects Versions: 1.0.1
> Reporter: Robert Batts
> Assignee: Subhankar Biswas
> Labels: rabbitmq
>
> The RabbitMQ Sink can currently only publish to the "default" exchange. This
> exchange is a direct exchange, so the routing key will route directly to the
> queue name. Because of this, the current sink will only be 1-to-1-to-1 (1 job
> to 1 exchange which routes to 1 queue). Additionally, I believe that if a
> user decides to use a different exchange I think the following can be assumed:
> 1.) The provided exchange exists
> 2.) The user has declared the appropriate mapping and the appropriate queues
> exist in RabbitMQ (therefore, nothing needs to be created)
> RabbitMQ currently provides four types of exchanges. Three of these will be
> covered by just enabling exchanges (Direct, Fanout, Topic) because they use
> the routingkey (or nothing).
> The fourth exchange type relies on the message headers, which are currently
> set to null by default on the publish. These headers may be on a per message
> level, so the input of this stream will need to take this as input as well.
> This forth exchange could very well be outside of the scope of this
> Improvement and a "RabbitMQ Sink enable headers" Improvement might be the
> better way to go with this.
> Exchange Types: https://www.rabbitmq.com/tutorials/amqp-concepts.html
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