merge_example.json

{
  "_id": "global-order",
  "type": "pipe",
  "source": {
    "type": "merge",
    "datasets": ["airplane-source as", "ticket-source ts"],
    "equality": [
      ["eq", "as.airplane-source:flightNumber", "ts.ticket-source:flightNumber"]
    ],
    "identity": "first",
    "supports_signalling": false,
    "version": 2
  },
  "transform": {
    "type": "dtl",
    "rules": {
      "default": [
        ["copy", "*"]
      ]
    }
  },
  "metadata": {
    "global": true
  }
}