{
  "comment" : "This is generated by ESQL's AbstractFunctionTestCase. Do not edit it. See ../README.md for how to regenerate it.",
  "type" : "agg",
  "name" : "count_distinct",
  "description" : "Returns the approximate number of distinct values.",
  "signatures" : [
    {
      "params" : [
        {
          "name" : "field",
          "type" : "boolean",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "boolean",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "integer",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "boolean",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "boolean",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "unsigned_long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "date",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "date",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "integer",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "date",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "date",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "unsigned_long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "date_nanos",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "date_nanos",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "integer",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "date_nanos",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "date_nanos",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "unsigned_long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "double",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "double",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "integer",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "double",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "double",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "unsigned_long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "integer",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "integer",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "integer",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "integer",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "integer",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "unsigned_long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "ip",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "ip",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "integer",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "ip",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "ip",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "unsigned_long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "keyword",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "keyword",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "integer",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "keyword",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "keyword",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "unsigned_long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "long",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "long",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "integer",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "long",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "long",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "unsigned_long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "text",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "text",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "integer",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "text",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "text",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "unsigned_long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "version",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "version",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "integer",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "version",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    },
    {
      "params" : [
        {
          "name" : "field",
          "type" : "version",
          "optional" : false,
          "description" : "Column or literal for which to count the number of distinct values."
        },
        {
          "name" : "precision",
          "type" : "unsigned_long",
          "optional" : true,
          "description" : "Precision threshold. Refer to <<esql-agg-count-distinct-approximate>>. The maximum supported value is 40000. Thresholds above this number will have the same effect as a threshold of 40000. The default value is 3000."
        }
      ],
      "variadic" : false,
      "returnType" : "long"
    }
  ],
  "examples" : [
    "FROM hosts\n| STATS COUNT_DISTINCT(ip0), COUNT_DISTINCT(ip1)",
    "FROM hosts\n| STATS COUNT_DISTINCT(ip0, 80000), COUNT_DISTINCT(ip1, 5)",
    "ROW words=\"foo;bar;baz;qux;quux;foo\"\n| STATS distinct_word_count = COUNT_DISTINCT(SPLIT(words, \";\"))"
  ],
  "preview" : false,
  "snapshot_only" : false
}