用户聚合数量查询

   $params = [
            'index' => ES::USER_ACTION_RECORD_LOGS,
            'type' => '_doc',
            'body' => [
                'query' => [
                    'bool' => [
                        'filter' => [
                            [
                                'term' => [
                                    'activity_id' => $activityId
                                ],

                            ]
                        ]
                    ]
                ],
                'size'=>0,
                "aggs"=>[
                    "user_count"=>[
                        "cardinality"=>[
                            "field"=>"user_id.keyword"
                        ]
                    ]
                ]
            ]
        ];

时间区间uv查询

$params = [
    'index' => ES::APPLICATION_LOGS,
    'type' => '_doc',
    'body' => [
        'query' => [
            'bool' => [
                'filter' => [
                    [
                        'term' => [
                            'ActivityId' => $activityId
                        ],
                    ],
                    [
                        'range' => [
                            'CreatedAt' => [
                                'gte' => $startTime,
                                'lt'  => $endTime,
                                "format"=>"yyyy-MM-dd HH:mm:ss"
                            ]
                        ]
                    ]
                ]
            ]
        ],
        'size'=>0,
        'aggs'=>[
            "list"=>[
                "date_histogram"=>[
                    "min_doc_count"=>0,
                    "field"=>"CreatedAt",
                    "interval"=>"30m",
                    "format"=>"yyyy-MM-dd HH:mm:ss"
                ],
                "aggs"=>[
                    "user_count"=>[
                        "cardinality"=>[
                            "field"=>"UserUniqueId.keyword"
                        ]
                    ]
                ]
            ]
        ]
    ]
];