{
  "uuid": "e286e39e-40d7-44c2-8fa2-41b365123987",
  "name": "STREAMING_TABLE",
  "columns": [
    {
      "id": "1",
      "name": "minute_start",
      "datatype": "timestamp",
      "index": "T"
    },
    {
      "id": "2",
      "name": "hour_start",
      "datatype": "timestamp",
      "index": "T"
    },
    {
      "id": "3",
      "name": "day_start",
      "datatype": "date",
      "index": "T"
    },
    {
      "id": "4",
      "name": "itm",
      "datatype": "string"
    },
    {
      "id": "5",
      "name": "site",
      "datatype": "string"
    },
    {
      "id": "6",
      "name": "gmv",
      "datatype": "decimal(19,6)"
    },
    {
      "id": "7",
      "name": "item_count",
      "datatype": "int"
    }
  ],
  "database": "DEFAULT",
  "last_modified": 0,
  "source_type" : 1
}