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Replace map_index with is_mapped_task boolean in task telemetry #2210

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Merged
pankajkoti merged 2 commits into from
Dec 18, 2025
Merged

Replace map_index with is_mapped_task boolean in task telemetry #2210

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f771b2e
Replace map_index with is_mapped_task boolean
pankajkoti Dec 18, 2025
9ec4bdf
Add comment explaining is_mapped_task logic
pankajkoti Dec 18, 2025
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3 changes: 2 additions & 1 deletion cosmos/listeners/task_instance_listener.py
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,8 @@ def _build_task_metrics(task_instance: TaskInstance, status: str) -> dict[str, o
"is_cosmos_operator_subclass": _is_cosmos_subclass(task_instance),
"invocation_mode": _invocation_mode(task_instance),
"execution_mode": _execution_mode_from_task(task_instance),
"map_index": task_instance.map_index,
# map_index is -1 for non-mapped tasks, >= 0 for mapped tasks
"is_mapped_task": task_instance.map_index >= 0,
}

dbt_command = _dbt_command(task_instance)
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10 changes: 10 additions & 0 deletions tests/listeners/test_task_instance_listener.py
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Expand Up @@ -94,9 +94,19 @@ def test_build_task_metrics_records_core_fields():
assert metrics["invocation_mode"] == InvocationMode.DBT_RUNNER.value
assert metrics["execution_mode"] == "local"
assert metrics["is_cosmos_operator_subclass"] is False
assert metrics["is_mapped_task"] is False
assert metrics["dag_run_id"] == "run-1"


def test_build_task_metrics_detects_mapped_task():
operator = DummyDbtOperator()
ti = _make_task_instance(operator, map_index=2)

metrics = task_instance_listener._build_task_metrics(ti, status="success")

assert metrics["is_mapped_task"] is True


def test_build_task_metrics_ignores_missing_install_deps():
operator = DummyDbtOperatorNoDeps()
ti = _make_task_instance(operator)
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