[Filters] Add filters to DAG View - Tasks Tab

[cmarteepants]

View

DAG View - Tasks tab

Filters to Add

• Filter by Operator Type
  ↪ Allows users to locate all tasks using specific operators (e.g., identify all PythonOperator or EmptyOperator tasks)

• Filter by Task Retry Count
  ↪ Helps highlight tasks configured with aggressive or insufficient retry logic

• Filter by Trigger Rule
  ↪ Useful when investigating DAGs with conditional task paths or debugging why certain tasks did not run

• Filter by Mapped Task
  ↪ Enables focused inspection of mapped task behaviour

• Filter by Last Instance Date Range
  ↪ Helps identify recently active or stale tasks, which is useful when investigating changes in task behaviour over time

API Support

❌ No

• The API does not currently expose a queryable endpoint that returns task metadata with filtering support.
• All task metadata is loaded client-side via DAG details and task instance history

UI Impact

• Filtering could be enabled above the task list panel
• Would significantly improve UX in DAGs with dozens or hundreds of tasks (e.g., dynamic DAGs or map-heavy pipelines)

Notes

• These filters already reflect metadata displayed in the table (e.g., operator, trigger rule)
• Would be particularly valuable when debugging DAGs with mapped tasks or unusual operator behaviour

[sunank200]

I can take this up.