=======
Example
=======

This example takes fields that are prefixed with `prefixed` and removes the prefix.



.. code-block:: json
    :caption: Configuration

    {
      "transforms" : "patternRename",
      "transforms.patternRename.type" : "com.github.jcustenborder.kafka.connect.transform.common.PatternRename$Value",
      "transforms.patternRename.field.pattern" : "^prefixed",
      "transforms.patternRename.field.replacement" : ""
    }

.. code-block:: json
    :caption: Input
    

    {
      "topic" : "test",
      "kafkaPartition" : 1,
      "valueSchema" : {
        "name" : "testing",
        "type" : "STRUCT",
        "isOptional" : false,
        "fieldSchemas" : {
          "prefixedfirstname" : {
            "type" : "STRING",
            "isOptional" : false
          },
          "prefixedlastname" : {
            "type" : "STRING",
            "isOptional" : false
          }
        }
      },
      "value" : {
        "schema" : {
          "name" : "testing",
          "type" : "STRUCT",
          "isOptional" : false,
          "fieldSchemas" : {
            "prefixedfirstname" : {
              "type" : "STRING",
              "isOptional" : false
            },
            "prefixedlastname" : {
              "type" : "STRING",
              "isOptional" : false
            }
          }
        },
        "fieldValues" : [ {
          "name" : "prefixedfirstname",
          "schema" : {
            "type" : "STRING",
            "isOptional" : false
          },
          "storage" : "example"
        }, {
          "name" : "prefixedlastname",
          "schema" : {
            "type" : "STRING",
            "isOptional" : false
          },
          "storage" : "user"
        } ]
      },
      "timestampType" : "NO_TIMESTAMP_TYPE",
      "offset" : 1234,
      "headers" : [ ]
    }

Change(s) in the output are emphasized if delta(s) are detected.

.. code-block:: json
    :caption: Output
    :emphasize-lines: 9, 13, 25, 29, 36, 43

    {
      "topic" : "test",
      "kafkaPartition" : 1,
      "valueSchema" : {
        "name" : "testing",
        "type" : "STRUCT",
        "isOptional" : false,
        "fieldSchemas" : {
          "firstname" : {
            "type" : "STRING",
            "isOptional" : false
          },
          "lastname" : {
            "type" : "STRING",
            "isOptional" : false
          }
        }
      },
      "value" : {
        "schema" : {
          "name" : "testing",
          "type" : "STRUCT",
          "isOptional" : false,
          "fieldSchemas" : {
            "firstname" : {
              "type" : "STRING",
              "isOptional" : false
            },
            "lastname" : {
              "type" : "STRING",
              "isOptional" : false
            }
          }
        },
        "fieldValues" : [ {
          "name" : "firstname",
          "schema" : {
            "type" : "STRING",
            "isOptional" : false
          },
          "storage" : "example"
        }, {
          "name" : "lastname",
          "schema" : {
            "type" : "STRING",
            "isOptional" : false
          },
          "storage" : "user"
        } ]
      },
      "timestampType" : "NO_TIMESTAMP_TYPE",
      "offset" : 1234,
      "headers" : [ ]
    }