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跳到主要内容

Query Profile Action

Query Profile Action

Request​

GET /rest/v2/manager/query/query_info

GET /rest/v2/manager/query/trace/{trace_id}

GET /rest/v2/manager/query/sql/{query_id}

GET /rest/v2/manager/query/profile/text/{query_id}

GET /rest/v2/manager/query/profile/graph/{query_id}

GET /rest/v2/manager/query/profile/json/{query_id}

GET /rest/v2/manager/query/profile/fragments/{query_id}

GET /rest/v2/manager/query/current_queries

GET /rest/v2/manager/query/kill/{query_id}

获取查询信息​

GET /rest/v2/manager/query/query_info

Description​

可获取集群所有 fe 节点 select 查询信息。

Query parameters​

  • query_id

    可选，指定返回查询的queryID， 默认返回所有查询的信息。

  • search

    可选，指定返回包含字符串的查询信息，目前仅进行字符串匹配。

  • is_all_node

    可选，若为 true 则返回所有fe节点的查询信息，若为 false 则返回当前fe节点的查询信息。默认为true。

Response​

{
    "msg": "success",
    "code": 0,
    "data": {
        "column_names": [
            "Query ID",
            "FE节点",
            "查询用户",
            "执行数据库",
            "Sql",
            "查询类型",
            "开始时间",
            "结束时间",
            "执行时长",
            "状态"
        ],
        "rows": [
            [
                ...
            ]
        ]
    },
    "count": 0
}
SinceVersion 1.2

Admin 和 Root 用户可以查看所有 Query。普通用户仅能查看自己发送的 Query。

Examples​

GET /rest/v2/manager/query/query_info

{
    "msg": "success",
    "code": 0,
    "data": {
        "column_names": [
            "Query ID",
            "FE节点",
            "查询用户",
            "执行数据库",
            "Sql",
            "查询类型",
            "开始时间",
            "结束时间",
            "执行时长",
            "状态"
        ],
        "rows": [
            [
                "d7c93d9275334c35-9e6ac5f295a7134b",
                "127.0.0.1:8030",
                "root",
                "default_cluster:testdb",
                "select c.id, c.name, p.age, p.phone, c.date, c.cost from cost c join people p on c.id = p.id where p.age > 20 order by c.id",
                "Query",
                "2021-07-29 16:59:12",
                "2021-07-29 16:59:12",
                "109ms",
                "EOF"
            ]
        ]
    },
    "count": 0
}

通过 Trace Id 获取 Query Id​

GET /rest/v2/manager/query/trace_id/{trace_id}

Description​

通过 Trace Id 获取 Query Id.

在执行一个 Query 前，先设置一个唯一的 trace id:

set session_context="trace_id:your_trace_id";

在同一个 Session 链接内执行 Query 后，可以通过 trace id 获取 query id。

Path parameters​

  • {trace_id}

    用户设置的 trace id.

Query parameters​

Response​

{
    "msg": "success", 
    "code": 0, 
    "data": "fb1d9737de914af1-a498d5c5dec638d3", 
    "count": 0
}
SinceVersion 1.2

Admin 和 Root 用户可以查看所有 Query。普通用户仅能查看自己发送的 Query。若指定 trace id 不存在或无权限，则返回 Bad Request：

{
    "msg": "Bad Request", 
    "code": 403, 
    "data": "error messages",
    "count": 0
}

获取指定查询的sql和文本profile​

GET /rest/v2/manager/query/sql/{query_id}

GET /rest/v2/manager/query/profile/text/{query_id}

Description​

用于获取指定query id的sql和profile文本。

Path parameters​

  • query_id

    query id。

Query parameters​

  • is_all_node

    可选，若为 true 则在所有fe节点中查询指定query id的信息，若为 false 则在当前连接的fe节点中查询指定query id的信息。默认为true。

Response​

{
    "msg": "success",
    "code": 0,
    "data": {
        "sql": ""
    },
    "count": 0
}
{
    "msg": "success",
    "code": 0,
    "data": {
        "profile": ""
    },
    "count": 0
}
SinceVersion 1.2

Admin 和 Root 用户可以查看所有 Query。普通用户仅能查看自己发送的 Query。若指定 query id 不存在或无权限，则返回 Bad Request：

{
    "msg": "Bad Request", 
    "code": 403, 
    "data": "error messages",
    "count": 0
}
### Examples

  1. 获取 sql：

    GET /rest/v2/manager/query/sql/d7c93d9275334c35-9e6ac5f295a7134b

    Response:
    {
        "msg": "success",
        "code": 0,
        "data": {
            "sql": "select c.id, c.name, p.age, p.phone, c.date, c.cost from cost c join people p on c.id   = p.id where p.age > 20 order by c.id"
        },
        "count": 0
    }

获取指定查询fragment和instance信息​

GET /rest/v2/manager/query/profile/fragments/{query_id}

Description​

用于获取指定query id的fragment名称，instance id和执行时长。

Path parameters​

  • query_id

    query id。

Query parameters​

  • is_all_node

    可选，若为 true 则在所有fe节点中查询指定query id的信息，若为 false 则在当前连接的fe节点中查询指定query id的信息。默认为true。

Response​

{
    "msg": "success",
    "code": 0,
    "data": [
        {
            "fragment_id": "",
            "time": "",
            "instance_id": {
                "": ""
            }
        }
    ],
    "count": 0
}
SinceVersion 1.2

Admin 和 Root 用户可以查看所有 Query。普通用户仅能查看自己发送的 Query。若指定 query id 不存在或无权限，则返回 Bad Request：

{
    "msg": "Bad Request", 
    "code": 403, 
    "data": "error messages",
    "count": 0
}
### Examples
```
GET /rest/v2/manager/query/profile/fragments/d7c93d9275334c35-9e6ac5f295a7134b

Response:
{
    "msg": "success",
    "code": 0,
    "data": [
        {
            "fragment_id": "0",
            "time": "36.169ms",
            "instance_id": {
                "d7c93d9275334c35-9e6ac5f295a7134e": "36.169ms"
            }
        },
        {
            "fragment_id": "1",
            "time": "20.710ms",
            "instance_id": {
                "d7c93d9275334c35-9e6ac5f295a7134c": "20.710ms"
            }
        },
        {
            "fragment_id": "2",
            "time": "7.83ms",
            "instance_id": {
                "d7c93d9275334c35-9e6ac5f295a7134d": "7.83ms"
            }
        }
    ],
    "count": 0
}
```

获取指定query id树状profile信息​

GET /rest/v2/manager/query/profile/graph/{query_id}

Description​

获取指定query id树状profile信息，同 show query profile 指令。

Path parameters​

  • query_id

    query id。

Query parameters​

  • fragment_id 和 instance_id

    可选，这两个参数需同时指定或同时不指定。
    同时不指定则返回profile 简易树形图，相当于show query profile '/query_id';
    同时指定则返回指定instance详细profile树形图，相当于show query profile '/query_id/fragment_id/instance_id'.

  • is_all_node

    可选，若为 true 则在所有fe节点中查询指定query id的信息，若为 false 则在当前连接的fe节点中查询指定query id的信息。默认为true。

Response​

{
    "msg": "success",
    "code": 0,
    "data": {
        "graph":""
    },
    "count": 0
}
SinceVersion 1.2

Admin 和 Root 用户可以查看所有 Query。普通用户仅能查看自己发送的 Query。若指定 query id 不存在或无权限，则返回 Bad Request：

{
    "msg": "Bad Request", 
    "code": 403, 
    "data": "error messages",
    "count": 0
}

正在执行的query​

GET /rest/v2/manager/query/current_queries

Description​

同 show proc "/current_query_stmts"，返回当前正在执行的 query

Path parameters​

Query parameters​

  • is_all_node

    可选，若为 true 则返回所有FE节点当前正在执行的 query 信息。默认为 true。

Response​

{
    "msg": "success",
    "code": 0,
    "data": {
        "columnNames": ["Frontend", "QueryId", "ConnectionId", "Database", "User", "ExecTime", "SqlHash", "Statement"],
        "rows": [
            ["172.19.0.3", "108e47ab438a4560-ab1651d16c036491", "2", "", "root", "6074", "1a35f62f4b14b9d7961b057b77c3102f", "select sleep(60)"],
            ["172.19.0.11", "3606cad4e34b49c6-867bf6862cacc645", "3", "", "root", "9306", "1a35f62f4b14b9d7961b057b77c3102f", "select sleep(60)"]
        ]
    },
    "count": 0
}

取消query​

POST /rest/v2/manager/query/kill/{query_id}

Description​

取消执行连接中正在执行的 query

Path parameters​

  • {query_id}

    query id. 你可以通过 trace_id 接口，获取 query id。

Query parameters​

Response​

{
    "msg": "success",
    "code": 0,
    "data": null,
    "count": 0
}
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