Fail task if mapping upstream fails #25757
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We already mark the mapped task's unmapped ti to UPSTREAM_FAILED if the upstream fails with ALL_SUCCESS, so this simply replicates the behavior for all trigger rules.
boring-cyborg
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uranusjr
commented
Aug 17, 2022
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| session.flush() | ||
| return all_expanded_tis, total_length | ||
| return all_expanded_tis, total_expanded_ti_count - 1 |
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I think the old code introduces an off-by-one error? The return value is described as “the maximum map_index” (and is used as such in BackfillJob), which should be one less than the total expand length, right?
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Yup.
def to_keep(key: TaskInstanceKey) -> bool:
if key.dag_id != node.dag_id or key.task_id != node.task_id or key.run_id != run_id:
# For another Dag/Task/Run -- don't remove
return True
return 0 <= key.map_index <= max_map_index
ashb
approved these changes
Aug 19, 2022
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We already mark the mapped task's unmapped ti to UPSTREAM_FAILED if the upstream fails with ALL_SUCCESS, so this simply replicates the behavior for all trigger rules.
Fix #25698.