{
  "comment" : "This is generated by ESQL's AbstractFunctionTestCase. Do not edit it. See ../README.md for how to regenerate it.",
  "type" : "scalar",
  "name" : "to_double",
  "description" : "Converts an input value to a double value. If the input parameter is of a date type,\nits value will be interpreted as milliseconds since the Unix epoch,\nconverted to double. Boolean `true` will be converted to double `1.0`, `false` to `0.0`.",
  "signatures" : [
    {
      "params" : [
        {
          "name" : "field",
          "type" : "boolean",
          "optional" : false,
          "description" : "Input value. The input can be a single- or multi-valued column or an expression."
        }
      ],
      "variadic" : false,
      "returnType" : "double"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "counter_double",
          "optional" : false,
          "description" : "Input value. The input can be a single- or multi-valued column or an expression."
        }
      ],
      "variadic" : false,
      "returnType" : "double"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "counter_integer",
          "optional" : false,
          "description" : "Input value. The input can be a single- or multi-valued column or an expression."
        }
      ],
      "variadic" : false,
      "returnType" : "double"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "counter_long",
          "optional" : false,
          "description" : "Input value. The input can be a single- or multi-valued column or an expression."
        }
      ],
      "variadic" : false,
      "returnType" : "double"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "date",
          "optional" : false,
          "description" : "Input value. The input can be a single- or multi-valued column or an expression."
        }
      ],
      "variadic" : false,
      "returnType" : "double"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "double",
          "optional" : false,
          "description" : "Input value. The input can be a single- or multi-valued column or an expression."
        }
      ],
      "variadic" : false,
      "returnType" : "double"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "integer",
          "optional" : false,
          "description" : "Input value. The input can be a single- or multi-valued column or an expression."
        }
      ],
      "variadic" : false,
      "returnType" : "double"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "keyword",
          "optional" : false,
          "description" : "Input value. The input can be a single- or multi-valued column or an expression."
        }
      ],
      "variadic" : false,
      "returnType" : "double"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "long",
          "optional" : false,
          "description" : "Input value. The input can be a single- or multi-valued column or an expression."
        }
      ],
      "variadic" : false,
      "returnType" : "double"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "text",
          "optional" : false,
          "description" : "Input value. The input can be a single- or multi-valued column or an expression."
        }
      ],
      "variadic" : false,
      "returnType" : "double"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "unsigned_long",
          "optional" : false,
          "description" : "Input value. The input can be a single- or multi-valued column or an expression."
        }
      ],
      "variadic" : false,
      "returnType" : "double"
    }
  ],
  "examples" : [
    "ROW str1 = \"5.20128E11\", str2 = \"foo\"\n| EVAL dbl = TO_DOUBLE(\"520128000000\"), dbl1 = TO_DOUBLE(str1), dbl2 = TO_DOUBLE(str2)"
  ],
  "preview" : false,
  "snapshot_only" : false
}