After the high version of greendao is deleted, the lower version of greenDao is installed, and the version of the app is the same. A crash occurs. The database is upgraded without any modification. The version number of geenDao is upgraded, and then the app will delete the old database
After the high version of greendao is deleted, the lower version of greenDao is installed, and the version of the app is the same. A crash occurs. The database is upgraded without any modification. The version number of geenDao is upgraded, and then the app will delete the old database