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scenarioinputsmtoutput
1. Nested field.


Code Block
languagejs
{
  "k1": 123,
  "parent": {
    "child": {
      "k2": 1556204536000         }
  }
}



Code Block
languagejs
{
"transforms": "smt1",
"transforms.smt1.type": "org.apache.kafka.connect.transforms.TimestampConverter$Value",
"transforms.smt1.field.style": "nested",
"transforms.smt1.field": "parent.child.k2",
"transforms.smt1.format": "yyyy-MM-dd",
"transforms.smt1.target.type": "string"
}



Code Block
languagejs
{
  "k1": 123,
  "parent": {
    "child": {
      "k2": "2014-04-25"         }
  }
}


2. Nested field, when field names include dots


Code Block
languagejs
{
  "k1": 123,
  "parent": {
    ".child": {
      "k2": 1556204536000         }
  }
}



Code Block
languagejs


{
"transforms": "smt1",
"transforms.smt1.type": "org.apache.kafka.connect.transforms.TimestampConverter$Value",
"transforms.smt1.field.style": "nested",
"transforms.smt1.field": "parent..child.k2",
"transforms.smt1.format": "yyyy-MM-dd",
"transforms.smt1.target.type": "string"
}



Code Block
languagejs
{
  "k1": 123,
  "parent.child": {      "k2": "2014-04-25"   }
}


...

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.ValueToKey",
"transforms.smt1.field.style": "nested",
"transforms.smt1.fields": "parent.child.k2"
}



Code Block
"123"



2. Nested struct to Key.


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



Code Block
languagejs
{
"transforms": "smt1",
"transforms.smt1.type": "org.apache.kafka.connect.transforms.ValueToKey",
"transforms.smt1.field.style": "nested",
"transforms.smt1.fields": "parent.child"
}



Code Block
{
  "k2": "123"    
}



3. 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.ValueToKey",
"transforms.smt1.field.style": "nested",
"transforms.smt1.fields": "parent..child.k2"
}



Code Block
languagejs
"123"


...