ES使用script进行复杂排序

es数据字段，关注_source内容，为自定义的es表字段内容

{
    "clerk_id": 3150036230,
    "clerk_follow_status": 60,
    "create_time": 1729156110000,
    "channel": 1,
    "mid": 1538020071,
    "binlog_timestamp": null,
    "clue_tag": 0,
    "is_sync": 1,
    "vuid": 199603942960332807,
    "idempotence": "8101929dc442442b847a46fa09fa1c11",
    "sync_operation_time": 1733448887759,
    "follow_time": 1729230615000,
    "update_time": 1729230615000,
    "follow_count": 1,
    "id": 12428,
    "spu_id": 8797,
    "org_code": "MI0101",
    "wecom_friend": [
        3150036230
    ],
    "latest_purchase_time": 1656489614
}

要实现的排序逻辑是：如果wecom_friend字段包含指定id则优先排序

第一步，百度参考：Elasticsearch-script 脚本排序-CSDN博客

当前参考是字段==比较，那我们的是数组，则直接使用contains方法尝试

{
    "_script": {
        "script": {
            "source": "if(params['_source']['wecom_friend'].contains('3150036230')){1}else{0}",
            "lang": "painless"
        },
        "type": "number",
        "order": "desc"
    }
}

执行可以看到，并没有匹配到

第二步，当前字段为long类型，所以是不是要去掉引号

执行报错

提示错误，需要改成long类型数字去匹配

第三步，修改后，执行成功 

最终查询代码

{
    "_script": {
        "script": {
            "source": "if(params['_source']['wecom_friend'].contains(3150036230L)){1}else{0}",
            "lang": "painless"
        },
        "type": "number",
        "order": "desc"
    }
}

Java代码实现