58페이지 03단계

ERROR [root] Error: No support for ALTER of constraints in SQLite dialectPlease refer to the batch mode feature which allows for SQLite migrations using a copy-and-move strategy.

https://wikidocs.net/81059 여기 나온대로 아래코드를 적용해봐도 기존 오류가 해결될뿐 인덱스 오류가 생기네요 일단은 다시 58페이지 03단계로 돌려놨는데 해결방법좀 알려주세요 ㅠㅠ

from flask import Flask
from flask_migrate import Migrate
from flask_sqlalchemy import SQLAlchemy
# --------------------------------- [edit] ---------------------------------- #
from sqlalchemy import MetaData
# --------------------------------------------------------------------------- #

import config

# --------------------------------- [edit] ---------------------------------- #
naming_convention = {
    "ix": 'ix_%(column_0_label)s',
    "uq": "uq_%(table_name)s_%(column_0_name)s",
    "ck": "ck_%(table_name)s_%(column_0_name)s",
    "fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
    "pk": "pk_%(table_name)s"
}
db = SQLAlchemy(metadata=MetaData(naming_convention=naming_convention))
migrate = Migrate()
# --------------------------------------------------------------------------- #

def create_app():
    app = Flask(__name__)
    app.config.from_object(config)

    # ORM
    db.init_app(app)
# --------------------------------- [edit] ---------------------------------- #
    if app.config['SQLALCHEMY_DATABASE_URI'].startswith("sqlite"):
        migrate.init_app(app, db, render_as_batch=True)
    else:
        migrate.init_app(app, db)
# --------------------------------------------------------------------------- #
    from . import models
    (... 생략 ...)