Alembic set autogenerate model

Alembic create revision autogenerate with comment:

$ alembic -c dev.ini revision --autogenerate -m "adding some tables"

Check upgrade script:

$ cat alembic/versions/123xxx_xxx.py

Alembic upgrade metadata with version

$ alembic -c dev.ini upgrade 123xxx

Alembic upgrade metadata with latest version

$ alembic -c dev.ini upgrade head

 

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