GetQueryOptimizeDataStats - Database Autonomy Service

Queries information about SQL templates based on query governance data.

Operation description

If you use an Alibaba Cloud SDK, make sure that the aliyun-sdk-core version is later than V2.1.8. We recommend that you use the latest version.
The version of your Database Autonomy Service (DAS) SDK must be V2.1.8 or later.
If you use an SDK to call API operations of DAS, you must set the region ID to cn-shanghai.
This operation supports the following database engines:
- ApsaraDB RDS for MySQL
- PolarDB for MySQL
- ApsaraDB RDS for PostgreSQL

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Debug

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:GetQueryOptimizeDataStats	get	All Resources *	none	none

Request parameters

Parameter	Type	Required	Description	Example
Engine	string	Yes	The database engine. Valid values: MySQL PolarDBMySQL PostgreSQL	MySQL
InstanceIds	string	No	The instance IDs. Separate multiple IDs with commas (,).	rm-2ze8g2am97624****
TagNames	string	No	The reserved parameter.	None
Keywords	string	No	The keywords of the SQL template. Separate multiple keywords with spaces.	select update
LogicalOperator	string	No	The logical relationship between multiple keywords. Valid values: or and	or
Rules	string	No	The tags that are used to filter SQL templates. Separate multiple tags with commas (,). For more information, see Query governance.	DAS_NOT_IMPORTANT
DbNames	string	No	The name of the database to be queried.	testdb01
Time	string	Yes	The time range to query. Specify the time in the UNIX timestamp format. Unit: milliseconds.	1642953600000
PageSize	string	No	The number of entries per page. Default value: 10.	10
PageNo	string	No	The page number. Pages start from page 1. Default value: 1.	1
OrderBy	string	No	The field by which to sort the returned entries. Default value: count. Valid values: count: the number of executions. maxQueryTime: the longest execution time. avgQueryTime: the average execution time. maxLockTime: the longest lock wait time. avgLockTime: the longest lock wait time. maxRowsExamined: the largest number of scanned rows. avgRowsExamined: the average number of scanned rows. maxRowsSent: the largest number of returned rows. avgRowsSent: the average number of returned rows.	count
Asc	string	No	Specifies whether to sort the returned entries in ascending order. Default value: true. Valid values: true: sorts the returned entries in ascending order. false: does not sort the returned entries in ascending order.	true
OnlyOptimizedSql	string	No	Specifies whether to query only SQL templates that need to be optimized. Default value: false. Valid values: true: queries only SQL templates that need to be optimized. false: does not query only SQL statements that need to be optimized.	false
SqlIds	string	No	The SQL template ID. You can query the ID of a template by calling the GetQueryOptimizeExecErrorStats operation.	2e8147b5ca2dfc640dfd5e43d96a****
Region	string	No	The region in which the instance resides. Valid values: cn-china: Chinese mainland cn-hongkong: China (Hong Kong) ap-southeast-1: Singapore This parameter takes effect only if InstanceIds is left empty. If you leave InstanceIds empty, the system obtains data from the region set 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 Set this parameter to cn-china** for the instances that are created in the regions in the Chinese mainland.	cn-china
User	string	No	The account of the database to be queried.	testUser

Response parameters

Parameter	Type	Description	Example
	object
Code	string	The HTTP status code returned.	200
Message	string	The returned message.	Successful
Data	object	The data returned.
Total	long	The total number of entries returned.	10
PageNo	integer	The reserved parameter.	None
PageSize	integer	The reserved parameter.	None
Extra	string	The reserved parameter.	None
List	array<object>	The information about the SQL templates.
QueryOptimizeDataStats	object
InstanceId	string	The instance ID.	rm-2ze8g2am97624****
Dbname	string	The name of the database to which the SQL template belongs.	testdb01
SqlId	string	The SQL template ID.	2e8147b5ca2dfc640dfd5e43d96a****
SqlType	string	The type of the SQL statement.	INSERT
Psql	string	The SQL template.	select 1
SqlSample	string	The sample query that took the longest time to execute.	select 2
Count	integer	The number of times that the SQL template is executed.	100
MaxQueryTime	double	The longest query execution time. Unit: seconds.	1.1
AvgQueryTime	double	The average query execution time. Unit: seconds.	1.1
MaxLockTime	double	The longest lock wait time. Unit: seconds.	0.1
AvgLockTime	double	The average lock wait time. Unit: seconds.	0.1
MaxRowsExamined	long	The largest number of scanned rows.	100000
AvgRowsExamined	double	The average number of scanned rows.	100.1
MaxRowsSent	long	The largest number of returned rows.	10000
AvgRowsSent	double	The average number of returned rows.	100.1
MaxRowsAffected	long	The largest number of rows affected by the SQL template. Note A value of -1 indicates that this parameter is not collected.	10000
AvgRowsAffected	double	The average number of rows affected by the SQL statement. Note A value of -1 indicates that this parameter is not collected.	100.1
RuleList	array<object>	The information about the rules.
Rules	object
Name	string	The rule name.	DAS_NOT_IMPORTANT
Type	string	The type of the rule. Valid values: Predefined UserDefined	Predefined
User	string	The account of the database.	testUser
RequestId	string	The request ID.	B6D17591-B48B-4D31-9CD6-9B9796B2****
Success	string	Indicates whether the request was successful. Valid values: true: The request was successful. false: The request failed.	true

Examples

Sample success responses

JSONformat

{
  "Code": "200",
  "Message": "Successful",
  "Data": {
    "Total": 10,
    "PageNo": 0,
    "PageSize": 0,
    "Extra": "None",
    "List": [
      {
        "InstanceId": "rm-2ze8g2am97624****",
        "Dbname": "testdb01",
        "SqlId": "2e8147b5ca2dfc640dfd5e43d96a****",
        "SqlType": "INSERT",
        "Psql": "select 1",
        "SqlSample": "select 2",
        "Count": 100,
        "MaxQueryTime": 1.1,
        "AvgQueryTime": 1.1,
        "MaxLockTime": 0.1,
        "AvgLockTime": 0.1,
        "MaxRowsExamined": 100000,
        "AvgRowsExamined": 100.1,
        "MaxRowsSent": 10000,
        "AvgRowsSent": 100.1,
        "MaxRowsAffected": 10000,
        "AvgRowsAffected": 100.1,
        "RuleList": [
          {
            "Name": "DAS_NOT_IMPORTANT",
            "Type": "Predefined"
          }
        ],
        "User": "testUser"
      }
    ]
  },
  "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
2023-04-04	The response structure of the API has changed	View Change Details
2023-03-29	The request parameters of the API has changed	View Change Details