I have the code like:
from sqlalchemy import func
d = func.date('2021-6-23')
session.query(XCom).filter(XCom.execution_date <= d).delete()
feedback is :
File "/home/airflow/.local/lib/python3.6/site-packages/sqlalchemy/orm/query.py", line 3926, in delete
delete_op.exec_()
I have tried:
session.query(XCom).filter(XCom.execution_date <= d).all()
it worked.
I cannot find out a reference for this. Any helps would be appreciated!
I found in sqlalchemy page
just add synchronize_session=False
inside delete()
session.query(XCom).filter(XCom.execution_date <= d).delete(synchronize_session=False)
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