from flask.ext.sqlalchemy import SQLAlchemy
db = SQLAlchemy()
DB_STRING_TYPE = db.Unicode(256)
DB_TEXT_TYPE = db.TEXT(length=1 << 20, convert_unicode=True)
def init_db(app):
db.init_app(app)
db.app = app
db.create_all()
def commit_session():
try:
db.session.commit()
except Exception:
db.session.rollback()
raise
class Base(db.Model):
__abstract__ = True
__table_args__ = {'mysql_charset': 'utf8'}
id = db.Column('id', db.Integer, primary_key=True, autoincrement=True)
