SQLAlchemy get added object's id without committing session

StackOverflow https://stackoverflow.com/questions/23076483

  •  03-07-2023
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Question

I need ID of an object which I've just added using session.add(). I need the auto-increment ID of this object before committing session.

If I called the object instance.id, I get None.

Is there a way to get ID of a object without committing?

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Solution

Simple answer: call session.flush().

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