Modifying a SQL Throttling Rule

Function

This API is used to modify a SQL throttling rule.
Currently, only PostgreSQL is supported.

Authorization Information

Each account has permissions to call all APIs, but IAM users must have the required permissions specifically assigned.

If you are using role/policy-based authorization, see the required permissions in Permissions Policies and Supported Actions.

If you are using identity policy-based authorization, the following identity policy-based permissions are required.

Action	Access Level	Resource Type (*: required)	Condition Key	Alias	Dependencies
das:clouddba:updateSqlLimitRules	Write	Instance	-	-	-

URI

PUT /v3/{project_id}/instances/{instance_id}/sql-limit/rules

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID. Constraints N/A Range The value can contain 32 characters, including only letters and digits. Default Value N/A
instance_id	Yes	String	Definition Unique ID of an instance Constraints N/A Range The value can contain 32 characters, including only letters and digits. Default Value N/A

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
datastore_type	Yes	String	Definition Database type Constraints N/A Range PostgreSQL Default Value N/A
sql_limit_rule_ids	Yes	Array of strings	Definition ID of a SQL throttling rule Constraints N/A Range N/A Default Value N/A
database_name	No	String	Definition Database name Constraints Mandatory for RDS for PostgreSQL Range N/A Default Value N/A
sql_limit_rule	Yes	Objects in Table 3	Definition SQL throttling rule to be modified Constraints N/A Range N/A Default Value N/A

**Table 3** UpdateSqlLimitRuleOption
Parameter	Mandatory	Type	Description
max_concurrency	Yes	Integer	Definition Maximum concurrent SQL statements Constraints N/A Range [0, 2^31-1]. The actual value depends on the query result. Default Value N/A
max_waiting	No	Integer	Definition Maximum waiting time Constraints N/A Range [0, 2^31-1]. The actual value depends on the query result. Default Value N/A

Response Parameters

Status code: 200

None

Example Requests

Creating a SQL throttling rule

PUT https://das.cn-north-1.myhuaweicloud.com/v3/054c630ff780d4cc2f40c00d7f6fb21d/instances/d871e13ee1044e21a473330cd67047cbin01/sql-limit/rules

{
    "datastore_type": "postgresql",
    "database_name": "postgres",
    "sql_limit_rule_ids": [
        "1",
        "4"
    ],
    "sql_limit_rule": {
        "max_concurrency": 5,
        "max_waiting": 5
    }
}