I have a flow which pulls rows from MySQL, formats them into JSON messages and pushes them to Azure Service Bus.
There’s a step in the flow which creates the necessary signature for the REST POST to Azure Service Bus:
But the SAS Token/Signature header is not dependant on the message.
I only really need to do it once and make sure it is valid for long enough - at the moment I make it valid for a week.
But my flow is calculating it for every row/every message.
Is there a way to calculate it once (say for each time I run SELECT in the MySQL connector) and have it used repeatedly by PublishDirectToServiceBus?
Best answer by James B
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