old_contents: # -*- encoding: utf-8 -*-
  from . import db
  
  class MarketOrder(db.Model):
      """ Model that describe a market order with the info we need """
      order_id = db.Column(db.Integer, primary_key=True, autoincrement=False)
      item_id = db.Column(db.Integer)
      region_id = db.Column(db.Integer)
      system_id = db.Column(db.Integer)
      price = db.Column(
          db.Numeric(
              precision=17,
              scale=2,
              decimal_return_scale=2,
              asdecimal=False
          ),
          nullable=True
      )
      is_buy_order = db.Column(db.Boolean(), default=False)
new_contents: # -*- encoding: utf-8 -*-
  from . import db
  
  
  class MarketOrder(db.Model):
      """ Model that describe a market order with the info we need """
      order_id = db.Column(db.BigInteger, primary_key=True, autoincrement=False)
      item_id = db.Column(db.Integer)
      region_id = db.Column(db.Integer)
      system_id = db.Column(db.Integer)
      price = db.Column(
          db.Numeric(
              precision=17,
              scale=2,
              decimal_return_scale=2,
              asdecimal=False
          ),
          nullable=True
      )
      is_buy_order = db.Column(db.Boolean(), default=False)
subject: update model to fit the migration change