mappings.json

{
  "ok_migration": {
    "old": {
      "mappings": {
        "foo_type": {
          "properties": {
            "bar": {"type": "text"}
          }
        }
      }
    },
    "new": {
      "mappings": {
        "_doc": {
          "properties": {
            "bar": {"type": "text"}
          }
        }
      }
    }
  },
  "needs_merge": {
    "old": {
      "mappings": {
        "foo_type": {
          "properties": {
            "bar": {"type": "text"}
          }
        },
        "bar_type": {
          "properties": {
            "baz": {"type": "text"}
          }
        }
      }
    },
    "new": {
      "mappings": {
        "_doc": {
          "properties": {
            "bar": {"type": "text"},
            "baz": {"type": "text"}
          }
        }
      }
    }
  },
  "merge_overlaps": {
    "old": {
      "mappings": {
        "foo_type": {
          "properties": {
            "bar": {"type": "text"},
            "quux": {"type": "long"}
          }
        },
        "bar_type": {
          "properties": {
            "baz": {"type": "text"},
            "quux": {"type": "text"}
          }
        }
      }
    },
    "new": {
      "mappings": {
        "_doc": {
          "properties": {
            "bar": {"type": "text"},
            "baz": {"type": "text"},
            "quux": {"type": "text"}
          }
        }
      }
    }
  },
  "merge_overlaps_incompatible": {
    "old": {
      "mappings": {
        "foo_type": {
          "properties": {
            "bar": {"type": "text"},
            "quux": {"type": "long"}
          }
        },
        "bar_type": {
          "properties": {
            "baz": {"type": "text"},
            "quux": {"type": "boolean"}
          }
        }
      }
    },
    "new": {
      "mappings": {
        "_doc": {
          "properties": {
            "bar": {"type": "text"},
            "baz": {"type": "text"},
            "quux": {"type": "text"}
          }
        }
      }
    }
  }

}