{
  "comment" : "This is generated by ESQL's AbstractFunctionTestCase. Do not edit it. See ../README.md for how to regenerate it.",
  "type" : "time_series_agg",
  "name" : "deriv",
  "description" : "Calculates the derivative over time of a numeric field using linear regression.",
  "signatures" : [
    {
      "params" : [
        {
          "name" : "field",
          "type" : "double",
          "optional" : false,
          "description" : "the metric field to calculate the value for"
        }
      ],
      "variadic" : false,
      "returnType" : "double"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "integer",
          "optional" : false,
          "description" : "the metric field to calculate the value for"
        }
      ],
      "variadic" : false,
      "returnType" : "double"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "long",
          "optional" : false,
          "description" : "the metric field to calculate the value for"
        }
      ],
      "variadic" : false,
      "returnType" : "double"
    }
  ],
  "examples" : [
    "TS datenanos-k8s\n| WHERE pod == \"three\"\n| STATS max_deriv = MAX(DERIV(network.cost)) BY time_bucket = BUCKET(@timestamp,5minute), pod"
  ],
  "preview" : true,
  "snapshot_only" : false
}