Queries optimization suggestions that are generated by the SQL diagnostics feature of Database Autonomy Service (DAS).
Operation description
The SQL diagnostics feature provides optimization suggestions for instances based on diagnostics results. You can use the optimization suggestions to optimize instance indexes. For more information, see Automatic SQL optimization.
Before you call this operation, take note of the following items:
- This operation is applicable to ApsaraDB RDS for MySQL instances and PolarDB for MySQL clusters.
- If you use an Alibaba Cloud SDK or DAS SDK to call this operation, we recommend that you use the latest version of the SDK.
- If you use an SDK to call operations of DAS, you must set the region ID to cn-shanghai.
Debugging
Authorization information
The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action
policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:
- Operation: the value that you can use in the Action element to specify the operation on a resource.
- Access level: the access level of each operation. The levels are read, write, and list.
- Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level,
All Resources
is used in the Resource type column of the operation.
- Condition Key: the condition key that is defined by the cloud service.
- Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
Operation | Access level | Resource type | Condition key | Associated operation |
---|---|---|---|---|
hdm:GetSqlOptimizeAdvice | get |
|
| none |
Request parameters
Parameter | Type | Required | Description | Example |
---|---|---|---|---|
ConsoleContext | string | No | The reserved parameter. | None |
Engine | string | No | The database engine. Valid values:
| MySQL |
InstanceIds | string | No | The instance ID. Note
You must specify the instance ID only if your database instance is an ApsaraDB RDS for MySQL instance or a PolarDB for MySQL cluster.
| rm-2ze1jdv45i7l6**** |
StartDt | string | No | The start date of the time range to query. Specify the date in the yyyyMMdd format. The time must be in UTC.
| 20210916 |
EndDt | string | No | The end date of the time range to query. Specify the date in the yyyyMMdd format. The time must be in UTC.
| 20210917 |
Region | string | No | The region in which the instance resides. Valid values:
This parameter takes effect only if InstanceIds is left empty. If you leave InstanceIds empty, the system obtains data from the region specified by Region. By default, Region is set to cn-china. If you specify InstanceIds, Region does not take effect, and the system obtains data from the region in which the first specified instance resides.**** Note
If your instances reside in the regions inside the Chinese mainland, set this parameter to cn-china.
| cn-china |
Response parameters
Examples
Sample success responses
JSON
format
{
"Code": "200",
"Message": "Successful",
"Data": {
"Status": "FINISH",
"StatusCode": "SUCCESS",
"DownloadUrl": "https://das-sql-optimize.oss-cn-shanghai.aliyuncs.com/adb/oss_sql_optimize_advice/1083*******",
"CreateTime": "1632303861000",
"ExpireTime": "1632563061000",
"TaskId": "2021091710461519216****"
},
"RequestId": "B6D17591-B48B-4D31-9CD6-9B9796B2****",
"Success": "true"
}
Error codes
HTTP status code | Error code | Error message |
---|---|---|
400 | InvalidParams | The request parameters are invalid. |
403 | NoPermission | You are not authorized to do this action. |
For a list of error codes, visit the Service error codes.
Change history
Change time | Summary of changes | Operation |
---|---|---|
2023-03-29 | API Description Update. The request parameters of the API has changed | View Change Details |