[Bug] global @explain doesn't work #851

- JDK/基础库: 17.0.2
- OS/系统: Linux 5.10.134

no SQL returned

POST http://apijson.cn:8080/get
{
    "User": {
        "id": 82001
    },
    "[]": {
        "Comment": {
            "userId@": "User/id"
        }
    },
    "@explain": true
}


{
    "User": {
        "id": 82001,
        "sex": 1,
        "name": "Test User",
        "head": "https://static.oschina.net/uploads/user/1174/2348263_50.png?t=1439773471000",
        "contactIdList": [
            82034,
            82005,
            82030,
            82046,
            1493748615711,
            38710,
            82054,
            82026,
            82012
        ],
        "pictureList": [
            "https://common.cnblogs.com/images/icon_weibo_24.png"
        ],
        "date": "2017-02-01 19:21:50.0"
    },
    "[]": [
        {
            "Comment": {
                "id": 114,
                "toId": 0,
                "userId": 82001,
                "momentId": 371,
                "date": "2017-03-02 13:56:06.0",
                "content": "test multi put"
            }
        },
        {
            "Comment": {
                "id": 124,
                "toId": 0,
                "userId": 82001,
                "momentId": 301,
                "date": "2017-03-02 13:56:06.0",
                "content": "test multi put"
            }
        },
        {
            "Comment": {
                "id": 160,
                "toId": 0,
                "userId": 82001,
                "momentId": 235,
                "date": "2017-03-02 13:56:06.0",
                "content": "This is a Content...-160"
            }
        },
        {
            "Comment": {
                "id": 163,
                "toId": 0,
                "userId": 82001,
                "momentId": 235,
                "date": "2017-03-02 13:56:06.0",
                "content": "This is a Content...-163"
            }
        },
        {
            "Comment": {
                "id": 167,
                "toId": 0,
                "userId": 82001,
                "momentId": 58,
                "date": "2017-03-25 19:48:41.0",
                "content": "Nice!"
            }
        },
        {
            "Comment": {
                "id": 172,
                "toId": 162,
                "userId": 82001,
                "momentId": 12,
                "date": "2017-03-25 20:22:58.0",
                "content": "OK"
            }
        },
        {
            "Comment": {
                "id": 182,
                "toId": 110,
                "userId": 82001,
                "momentId": 371,
                "date": "2017-03-26 14:12:52.0",
                "content": "hahaha"
            }
        },
        {
            "Comment": {
                "id": 188,
                "toId": 97,
                "userId": 82001,
                "momentId": 58,
                "date": "2017-03-26 15:21:32.0",
                "content": "1646"
            }
        },
        {
            "Comment": {
                "id": 190,
                "toId": 0,
                "userId": 82001,
                "momentId": 58,
                "date": "2017-03-26 15:22:13.0",
                "content": "dbdj"
            }
        },
        {
            "Comment": {
                "id": 206,
                "toId": 54,
                "userId": 82001,
                "momentId": 170,
                "date": "2017-03-29 11:04:23.0",
                "content": "ejej"
            }
        }
    ],
    "ok": true,
    "code": 200,
    "msg": "success",
    "debug:info|help": " \n提 bug 请发请求和响应的【完整截屏】，没图的自行解决！ \n开发者有限的时间和精力主要放在【维护项目源码和文档】上！ \n【描述不详细】 或 【文档/常见问题 已有答案】 的问题可能会被忽略！！ \n【态度 不文明/不友善】的可能会被踢出群，问题也可能不予解答！！！ \n\n **环境信息**  \n系统: Linux 5.10.134-19.1.al8.x86_64 \n数据库: DEFAULT_DATABASE = MYSQL \nJDK: 17.0.2 amd64 \nAPIJSON: 8.0.2 \n   \n【常见问题】：https://github.com/Tencent/APIJSON/issues/36 \n【通用文档】：https://github.com/Tencent/APIJSON/blob/master/Document.md \n【视频教程】：https://search.bilibili.com/all?keyword=APIJSON",
    "time": 1771703494039,
    "sql:generate|cache|execute|maxExecute": "2|0|2|2000",
    "depth:count|max": "3|5",
    "time:start|duration|end|parse|sql": "1771703493968|71|1771703494039|6|65"
}