Queries the configurations, including time variables, of a specified task node based on the task node ID.
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 Resourcesis 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 |
|---|---|---|---|---|
| dms:GetTask | Read |
|
| none |
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| Tid | long | No | The ID of the tenant. Note
: To view the ID of the tenant, go to the Data Management (DMS) console and move the pointer over the profile picture in the upper-right corner. For more information, see View information about the current tenant.
| 3*** |
| NodeId | long | Yes | The ID of the task node. You can call the GetTaskInstanceRelation operation to query the node ID. | 51*** |
Response parameters
The value of TimeVariables is a JSON string. The following section provides an example of the TimeVariables value and describes the variables:
{
"variables":[
{
"name":"var",// The name of the variable.
/*
Variable format
As shown in the example, the date can have one or more offsets, including minutes (m), hours (h), days (d), weeks (w), months (M), or years (y). The offsets are optional, and you can specify the offsets in a different order than described here.
*/
"pattern":"yyyy-MM-dd|+0d"
},
{
"name":"test",
"pattern":"yyyy-MM-dd|+0d"
}
]
}
Examples
Sample success responses
JSONformat
{
"RequestId": "7838266C-E17B-58F4-B072-4DC356B58258",
"ErrorCode": "UnknownError",
"ErrorMessage": "UnknownError",
"Success": true,
"Task": {
"DagId": 7321,
"NodeName": "Cross-database Spark SQL-1\n",
"NodeType": "SPARK_SQL",
"NodeContent": "{\\\"dbList\\\":[{\\\"instanceId\\\":177****}\" }",
"TimeVariables": "{\\\"variables\\\":[{\\\"name\\\":\\\"Today\\\",\\\"pattern\\\":\\\"yyyy-MM-dd|+1d\\\"}]}",
"NodeConfig": "{\\\\\"dbId\\\\\":39\\*\\*\\*\\*,\\\\\"dbType\\\\\":\\\\\"mysql\\\\\",\\\\\"locale\\\\\":\\\\\"zh\\\\\",\\\\\"sql\\\\\":\\\\\"/\\* Make sure that the following SQL statements meet your business requirements before submitting the SQL statements for execution. \\*/\\\\\\n\\\\\\nCREATE TABLE IF NOT EXISTS \\`momo_weekGather\\` (\\\\\\n\\\\\\t\\`id\\` bigint AUTO_INCREMENT DEFAULT '0',\\\\\\n\\\\\\t\\`age\\` bit NULL,\\\\\\n\\\\\\t\\`action\\` varchar(150) NULL,\\\\\\n\\\\\\t\\`elapse_time\\` datetime NULL,\\\\\\n\\\\\\tPRIMARY KEY (\\`id\\`)\\\\\\n) ENGINE=InnoDB\\\\\\nDEFAULT CHARACTER SET=utf8;\\\\\"}\n",
"NodeOutput": "{ \"outputs\":[ \"extractMethod\":\"json\" , \"variableName\":\"var\", \"description\":\"demo desc\" } ] }",
"GraphParam": "{\"{\\\"x\\\":0,\\\"y\\\":0,\\\"layoutType\\\":\\\"Horizontal\\\"}\", \"id\": 51***}"
}
}Error codes
For a list of error codes, visit the Service error codes.
Change history
| Change time | Summary of changes | Operation |
|---|
No change history