raphaelauv opened a new issue, #38176:
URL: https://github.com/apache/airflow/issues/38176
### Apache Airflow version
2.8.3
### If "Other Airflow 2 version" selected, which one?
_No response_
### What happened?
I want run multiple dag_run with the same execution date but it fail with
```log
sqlalchemy.exc.IntegrityError: (psycopg2.errors.UniqueViolation) duplicate
key value violates unique constraint "dag_run_dag_id_execution_date_key"
DETAIL: Key (dag_id, execution_date)=(test_a, 2024-03-01 00:00:00+00)
already exists.
```
### What you think should happen instead?
_No response_
### How to reproduce
```python
from airflow.operators.python import PythonOperator
from airflow.operators.trigger_dagrun import TriggerDagRunOperator
from pendulum import today
from airflow import DAG
dag = DAG(
dag_id="test_a",
schedule_interval=None,
start_date=today("UTC").add(days=-1000)
)
with dag:
def toto(arg_1):
print(arg_1)
task_2 = PythonOperator(
task_id="task-two",
python_callable=toto,
op_kwargs={"arg_1": "1"})
dag = DAG(
dag_id="test_b",
schedule_interval=None,
start_date=today("UTC").add(days=-1)
)
with dag:
TriggerDagRunOperator.partial(
task_id="aaa",
trigger_dag_id="test_a",
reset_dag_run=True,
wait_for_completion=True,
deferrable=True
).expand_kwargs(
[{"execution_date": x, "trigger_run_id": y} for x, y in
[("2024-03-01", "NAME_a"), ("2024-03-01", "NAME_b")]])
```
### Operating System
ubuntu 22.04
### Versions of Apache Airflow Providers
_No response_
### Deployment
Docker-Compose
### Deployment details
_No response_
### Anything else?
_No response_
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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