CREATE_TABLE_WITH_NOT_NULL_COLUMN = "app_create_table_with_not_null_column"
ADD_NOT_NULL_COLUMN = "app_add_not_null_column"
DROP_COLUMN = "app_drop_column"
RENAME_COLUMN = "app_rename_column"
RENAME_TABLE = "app_rename_table"
IGNORE_MIGRATION = "app_ignore_migration"
ADD_NOT_NULL_COLUMN_FOLLOWED_BY_DEFAULT = "app_add_not_null_column_followed_by_default"
ALTER_COLUMN = "app_alter_column"
