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scenarioinputsmtoutput
1. Nested field.


Code Block
languagejs
{
  "k1": 123,
  "parent": {
    "child": {
      "k2": "123"    
    }
  }
}



Code Block
languagejs
{
"transforms": "smt1",
"transforms.smt1.type": "org.apache.kafka.connect.transforms.InsertField$Value", 
"transforms.smt1.field.style": "nested",
"transforms.smt1.static.field": "parent.child.k3"
"transforms.smt1.static.value": "v3" 
}



Code Block
languagejs
{
  "k1": 123,
  "parent": {
    "child": {
      "k2": "123",
      "k3": "v3"   
    }
  }
}


2. Nested field, when field names include dots


Code Block
languagejs
{
  "k1": 123,
  "parent.child": {
    "k2": "123"
  }
}



Code Block
languagejs
{
"transforms": "smt1",
"transforms.smt1.type": "org.apache.kafka.connect.transforms.InsertField$Value", "transforms.smt1.field.style": "nested",
"transforms.smt1.static.field": "parent..child.k3"
"transforms.smt1.static.value": "v3" 
}



Code Block
languagejs
{
  "k1": 123,
  "parent.child": {
    "k2": "123",
    "k3": "v3"
  }
}


3. Nested field with the parent missing


Code Block
languagejs
{
  "k1": 123,
  "parent": {
    "child": {
      "k2": "123"    
    }
  }
}



Code Block
languagejs
{
"transforms": "smt1",
"transforms.smt1.type": "org.apache.kafka.connect.transforms.InsertField$Value", 
"transforms.smt1.field.style": "nested",
"transforms.smt1.static.field": "parent.other.k3"
"transforms.smt1.static.value": "v3" 
}



Code Block
languagejs
{
  "k1": 123,
  "parent": {
    "child": {
      "k2": "123"  
    },
    "other": {
      "k3": "v3"  
    }
  }
}


4. Nested field with the parent missing, and ignore is set


Code Block
languagejs
{
  "k1": 123,
  "parent": {
    "child": {
      "k2": "123"    
    }
  }
}



Code Block
languagejs
{
"transforms": "smt1",
"transforms.smt1.type": "org.apache.kafka.connect.transforms.InsertField$Value", 
"transforms.smt1.field.style": "nested",
"transforms.smt1.static.field": "parent.other.k3"
"transforms.smt1.static.value": "v3",
"transforms.smt1.field.on.missing.parent": "ignore"
}



Code Block
languagejs
{
  "k1": 123,
  "parent": {
    "child": {
      "k2": "123"  
    }
  }
}


5. Nested field with the parent missing


Code Block
languagejs
{
  "k1": 123,
  "parent": {
    "child": {
      "k2": "123"    
    }
  }
}



Code Block
languagejs
{
"transforms": "smt1",
"transforms.smt1.type": "org.apache.kafka.connect.transforms.InsertField$Value", 
"transforms.smt1.field.style": "nested",
"transforms.smt1.static.field": "parent.child.k2"
"transforms.smt1.static.value": "456"
}



Code Block
languagejs
{
  "k1": 123,
  "parent": {
    "child": {
      "k2": "456"  
    }
  }
}


6. Nested field with the parent missing, and ignore is set


Code Block
languagejs
{
  "k1": 123,
  "parent": {
    "child": {
      "k2": "123"    
    }
  }
}



Code Block
languagejs
{
"transforms": "smt1",
"transforms.smt1.type": "org.apache.kafka.connect.transforms.InsertField$Value", 
"transforms.smt1.field.style": "nested",
"transforms.smt1.static.field": "parent.child.k2"
"transforms.smt1.static.value": "456",
"transforms.smt1.field.on.existing.field": "ignore"
}



Code Block
languagejs
{
  "k1": 123,
  "parent": {
    "child": {
      "k2": "123"  
    }
  }
}


...