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Dependent
Overview
Dependent nodes are dependency check nodes. For example, process A depends on the successful execution of process B from yesterday, and the dependent node will check whether process B run successful yesterday.
Create Task
- Click
Project Management -> Project Name -> Workflow Definition, and click theCreate Workflowbutton to enter the DAG editing page. - Drag from the toolbar
task node to canvas.
Task Parameter
- Please refer to DolphinScheduler Task Parameters Appendix
Default Task Parameterssection for default parameters.
| Parameter | Description |
|---|---|
| Predecessor Task | The upstream task of the current task node. |
Task Examples
The Dependent node provides a logical judgment function, which can detect the execution of the dependent node according to the logic.
For example, process A is a weekly task, processes B and C are daily tasks, and task A requires tasks B and C to be successfully executed every day of the last week.
And another example is that process A is a weekly report task, processes B and C are daily tasks, and task A requires tasks B or C to be successfully executed every day of the last week:
If the weekly report A also needs to be executed successfully last Tuesday:
