database - How to check if record is exist based on some Id in db using mule esb -

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how check existing customerid in db using mule esb. inserting data customer table in db, in customerid unique. when insert data unable find existing customer id using mule flow. please suggest on this. getting data json format rest api.

pass select query database connector. if there existing record getting value out of query or else returning empty. use choice router check emptiness. if result empty there no record exist. based on can proceed further.

cheers!


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