ListDownstreamTasks-阿里云帮助中心

Queries a list of descendant tasks of a task by page.

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Request parameters

Parameter	Type	Required	Description	Example
Id	integer	Yes	The task ID.	1234
ProjectEnv	string	No	The environment of the workspace. Valid values: Prod: production environment Dev: development environment Valid values: Prod : Dev :	Prod
PageSize	integer	No	The number of entries per page. Default value: 10.	10
PageNumber	integer	No	The page number. Pages start from page 1. Default value: 1.	1

Response elements

Element	Type	Description	Example
	object
RequestId	string	The request ID.	22C97E95-F023-56B5-8852-B1A77A17XXXX
PagingInfo	object	The pagination information.
Tasks	array<object>	The tasks. This parameter is deprecated and replaced by the DownstreamTasks parameter.
	array<object>
Name	string	The name of the task.	SQL node
Description	string	The description of the task.	test
WorkflowId	integer	The ID of the workflow to which the task belongs.	1234
InstanceMode	string	The instance generation mode. Valid values: T+1 Immediately	T+1
Type	string	The type of the task.	ODPS_SQL
BaselineId	integer	The baseline ID.	1234
Priority	integer	The priority of the task. Valid values: 1 to 8. A larger value indicates a higher priority. Default value: 1.	1
Timeout	integer	The timeout period of task running. Unit: seconds.	3600
RerunMode	string	The rerun mode. Valid values: AllDenied: The task cannot be rerun regardless of whether it is successfully run or fails to run. FailureAllowed: The task can be rerun only after it fails to run. AllAllowed: The task can be rerun regardless of whether it is successfully run or fails to run. Valid values: AllDenied : FailureAllowed : AllAllowed :	AllAllowed
RerunTimes	integer	The number of times that the task is rerun. This parameter takes effect only if the RerunMode parameter is set to AllAllowed or FailureAllowed.	3
RerunInterval	integer	The rerun interval. Unit: seconds.	60
Trigger	object	The method to trigger task scheduling.
Type	string	The trigger type. Valid values: Scheduler: scheduling cycle-based trigger Manual: manual trigger Valid values: Scheduler : Manual :	Scheduler
Recurrence	string	The running mode of the task after it is triggered. This parameter takes effect only if the Type parameter is set to Scheduler. Valid values: Pause Skip Normal Valid values: Pause : Skip : Normal :	Normal
Cron	string	The CRON expression of the task. This parameter takes effect only if the Type parameter is set to Scheduler.	00 00 00 * * ?
StartTime	string	The start time of the time range during which the task is periodically scheduled. This parameter takes effect only if the Type parameter is set to Scheduler.	1970-01-01 00:00:00
EndTime	string	The end time of the time range during which the task is periodically scheduled. This parameter takes effect only if the Type parameter is set to Scheduler.	9999-01-01 00:00:00
Timezone	string	The time zone.	Asia/Shanghai
RuntimeResource	object	The configurations of the runtime environment, such as the resource group information.
ResourceGroupId	string	The ID of the resource group for scheduling configured for task running.	S_res_group_524258031846018_1684XXXXXXXXX
Image	string	The ID of the image configured for task running.	i-xxxxxx
Cu	string	The default number of compute units (CUs) configured for task running.	0.25
DataSource	object	The information about the associated data source.
Name	string	The name of the data source.	mysql_test
Id	integer	The task ID.	1234
ProjectId	integer	The workspace ID.	100
ProjectEnv `deprecated`	string	The environment of the workspace. This parameter is deprecated and replaced by the EnvType parameter. Valid values: Prod Dev Valid values: Prod : Dev :	Prod
EnvType	string	The environment of the workspace. Valid values: Prod Dev	Prod
Owner	string	The account ID of the task owner.	1000
StepType	string	The scheduling dependency type. Valid values: Normal: same-cycle scheduling dependency CrossCycle: cross-cycle scheduling dependency	Normal
CreateTime	integer	The creation time.	1710239005403
ModifyTime	integer	The modification time.	1710239005403
CreateUser	string	The account ID of the creator.	1000
ModifyUser	string	The account ID of the modifier.	1000
DownstreamTasks	array<object>	The descendant tasks.
	array<object>
DependencyType	string	The scheduling dependency type. Valid values: Normal: same-cycle scheduling dependency CrossCycle: cross-cycle scheduling dependency	Normal
Task	object	The information about the task.
Name	string	The name of the task.	SQL node
Description	string	The description.	test
WorkflowId	integer	The ID of the workflow to which the task belongs.	1234
InstanceMode	string	The instance generation mode. Valid values: T+1 Immediately	T+1
Type	string	The type of the task.	ODPS_SQL
BaselineId	integer	The baseline ID.	1234
Priority	integer	The priority of the task. Valid values: 1 to 8.	1
Timeout	integer	The timeout period of task running. Unit: seconds.	3600
RerunMode	string	The rerun mode. Valid values: AllDenied: The task cannot be rerun regardless of whether the task is successfully run or fails to run. FailureAllowed: The task can be rerun only after it fails to run. AllAllowed: The task can be rerun regardless of whether it is successfully run or fails to run.	AllAllowed
RerunTimes	integer	The number of times that the task is rerun. This parameter takes effect only if the RerunMode parameter is set to AllAllowed or FailureAllowed.	3
RerunInterval	integer	The rerun interval. Unit: seconds.	60
Trigger	object	The trigger method.
Type	string	The trigger type. Valid values: Scheduler: scheduling cycle-based trigger Manual: manual trigger	Scheduler
Recurrence	string	The running mode of the task after it is triggered. This parameter takes effect only if the Type parameter is set to Scheduler. Valid values: Pause Skip Normal	Normal
Cron	string	The CRON expression. This parameter takes effect only if the Type parameter is set to Scheduler.	00 00 00 * * ?
StartTime	string	The start time of the time range during which the task is periodically scheduled. This parameter takes effect only if the Type parameter is set to Scheduler.	1970-01-01 00:00:00
EndTime	string	The end time of the time range during which the task is periodically scheduled. This parameter takes effect only if the Type parameter is set to Scheduler.	9999-01-01 00:00:00
Timezone	string	The time zone.	Asia/Shanghai
RuntimeResource	object	The configurations of the runtime environment, such as the resource group information.
ResourceGroupId	string	The ID of the resource group for scheduling configured for task running.	S_res_group_524258031846018_1684XXXXXXXXX
Image	string	The ID of the image configured for task running.	i-xxxxxx
Cu	string	The default number of compute units (CUs) configured for task running.	0.25
DataSource	object	The information about the associated data source.
Name	string	The name of the data source.	mysql_test
Id	integer	The task ID.	1234
ProjectId	integer	The workspace ID.	100
EnvType	string	The environment of the workspace. Valid values: Prod Dev	Prod
Owner	string	The account ID of the task owner.	1000
CreateTime	integer	The creation time.	1710239005403
ModifyTime	integer	The modification time.	1710239005403
CreateUser	string	The account ID of the creator.	1000
ModifyUser	string	The account ID of the modifier.	1000
TotalCount	integer	The total number of entries returned.	100
PageSize	integer	The number of entries per page.	10
PageNumber	integer	The page number.	1

Examples

Success response

JSON format

{
  "RequestId": "22C97E95-F023-56B5-8852-B1A77A17XXXX",
  "PagingInfo": {
    "Tasks": [
      {
        "Name": "SQL node\n",
        "Description": "test",
        "WorkflowId": 1234,
        "InstanceMode": "T+1",
        "Type": "ODPS_SQL",
        "BaselineId": 1234,
        "Priority": 1,
        "Timeout": 3600,
        "RerunMode": "AllAllowed",
        "RerunTimes": 3,
        "RerunInterval": 60,
        "Trigger": {
          "Type": "Scheduler",
          "Recurrence": "Normal\n",
          "Cron": "00 00 00 * * ?",
          "StartTime": "1970-01-01 00:00:00",
          "EndTime": "9999-01-01 00:00:00",
          "Timezone": "Asia/Shanghai"
        },
        "RuntimeResource": {
          "ResourceGroupId": "S_res_group_524258031846018_1684XXXXXXXXX\n",
          "Image": "i-xxxxxx",
          "Cu": "0.25"
        },
        "DataSource": {
          "Name": "mysql_test\n"
        },
        "Id": 1234,
        "ProjectId": 100,
        "ProjectEnv": "Prod",
        "EnvType": "Prod",
        "Owner": "1000",
        "StepType": "Normal",
        "CreateTime": 1710239005403,
        "ModifyTime": 1710239005403,
        "CreateUser": "1000",
        "ModifyUser": "1000"
      }
    ],
    "DownstreamTasks": [
      {
        "DependencyType": "Normal",
        "Task": {
          "Name": "SQL node",
          "Description": "test",
          "WorkflowId": 1234,
          "InstanceMode": "T+1",
          "Type": "ODPS_SQL",
          "BaselineId": 1234,
          "Priority": 1,
          "Timeout": 3600,
          "RerunMode": "AllAllowed",
          "RerunTimes": 3,
          "RerunInterval": 60,
          "Trigger": {
            "Type": "Scheduler",
            "Recurrence": "Normal",
            "Cron": "00 00 00 * * ?",
            "StartTime": "1970-01-01 00:00:00",
            "EndTime": "9999-01-01 00:00:00",
            "Timezone": "Asia/Shanghai"
          },
          "RuntimeResource": {
            "ResourceGroupId": "S_res_group_524258031846018_1684XXXXXXXXX",
            "Image": "i-xxxxxx",
            "Cu": "0.25"
          },
          "DataSource": {
            "Name": "mysql_test"
          },
          "Id": 1234,
          "ProjectId": 100,
          "EnvType": "Prod",
          "Owner": "1000",
          "CreateTime": 1710239005403,
          "ModifyTime": 1710239005403,
          "CreateUser": "1000",
          "ModifyUser": "1000"
        }
      }
    ],
    "TotalCount": 100,
    "PageSize": 10,
    "PageNumber": 1
  }
}

Error codes

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.