val MIGRATION_1_1 = object : Migration(1, 2) {
    override fun migrate(database: SupportSQLiteDatabase) {
        database.execSQL("ALTER TABLE profile ADD COLUMN created INTEGER")
        database.execSQL("ALTER TABLE profile ADD COLUMN updated INTEGER")
    }
}

val MIGRATION_2_3 = object : Migration(2, 3) {
    override fun migrate(database: SupportSQLiteDatabase) {
        database.execSQL("ALTER TABLE profile ADD COLUMN is_active INTEGER DEFAULT 0 NOT NULL")
    }
}

val MIGRATION_3_4 = object : Migration(3, 4) {
    override fun migrate(database: SupportSQLiteDatabase) {
        database.execSQL("ALTER TABLE profile ADD COLUMN password TEXT")
    }
}