Creating an RDS instance from dev context with only adding instance name and not touching any other field
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{"apiVersion":"dbaas.redhat.com/v1beta1","kind":"DBaaSInstance","metadata":{"name":"ooo","namespace":"test-project"},"spec":{"name":"ooo","inventoryRef":{"name":"ik-rds-test01","namespace":"redhat-dbaas-operator"},"provisioningParameters":{"plan":"DEDICATED","cloudProvider":"AWS","name":"ooo"}}}

Creating an RDS instance from dev contest with adding an instance name and touching the 'Engine' field
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{"apiVersion":"dbaas.redhat.com/v1beta1","kind":"DBaaSInstance","metadata":{"name":"rds-dev02","namespace":"test-project"},"spec":{"name":"rds-dev02","inventoryRef":{"name":"ik-rds-test01","namespace":"redhat-dbaas-operator"},"provisioningParameters":{"plan":"DEDICATED","cloudProvider":"AWS","name":"rds-dev02","databaseType":"postgres","machineType":"db.t3.micro"}}}