The flask-migrate of Flask learning record

I. Configuration Flask-migrate

From flask.ext.migrate import migrate, migratecommandmigrate = migrate (app,db) #第一个参数是Flask的实例, The second parameter is a SQLAlchemy db instance manager.add_command (' db ', Migratecommand) #manaer is an instance of Flask-script, which is in Flask-script Add a DB command to the   

Two. Using Flask-migrate

In the command prompt line

Enter Python manager.py DB init to create the migration warehouse,

Enter Python manager.py db migrate-m "Initial migration" to create a migration script that creates a migration script after the database structure changes

Enter Python manager.py DB upgrade to update the database

The flask-migrate of Flask learning record