Python 如何使用sqlalchemy向postgresql数据库添加大量数据

我需要帮助编写for循环，以便使用sql alchemy将数据手动添加到我的postgresql数据库中

我想做一个data=venture.query.all（）并手动获取每个id，然后像嵌套的for循环那样修改数据。但是现在数据太多了，我迷路了

我整个星期都在忙这个。任何帮助都将不胜感激。谢谢

这是我的桌子：

class Venue(db.Model):
    __tablename__ = 'Venue'

    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String())
    city = db.Column(db.String(120))
    state = db.Column(db.String(120))
    address = db.Column(db.String(120))
    phone = db.Column(db.String(120))
    image_link = db.Column(db.String(500))
    facebook_link = db.Column(db.String(120))
    num_upcoming_shows = db.Column(db.Integer())
    genres = db.Column(db.ARRAY(db.String()))
    website = db.Column(db.String(500))
    seeking_talent = db.Column(db.Boolean()) #double check this later
    seeking_description = db.Column(db.String(500))
    past_shows = db.Column(db.Integer())
    upcoming_shows = db.Column(db.ARRAY(db.String()))
    past_shows_count = db.Column(db.Integer())
    upcoming_shows_count = db.Column(db.Integer())

class Artist(db.Model):
    __tablename__ = 'Artist'

    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String)
    city = db.Column(db.String(120))
    state = db.Column(db.String(120))
    phone = db.Column(db.String(120))
    genres = db.Column(db.String(120))
    image_link = db.Column(db.String(500))
    facebook_link = db.Column(db.String(120))

---

如果您有性能问题，请尝试进行批量插入或更新。如果您在一条语句中执行多个操作，而不是在每条语句中执行一个操作，那么SQL将做得更好。

#And here is the data that I want to manually add to the database in python.
 data1={
    "id": 1,
    "name": "The Musical Hop",
    "genres": ["Jazz", "Reggae", "Swing", "Classical", "Folk"],
    "address": "1015 Folsom Street",
    "city": "San Francisco",
    "state": "CA",
    "phone": "123-123-1234",
    "website": "https://www.themusicalhop.com",
    "facebook_link": "https://www.facebook.com/TheMusicalHop",
    "seeking_talent": True,
    "seeking_description": "We are on the lookout for a local artist to play every two weeks. Please call us.",
    "image_link": "https://images.unsplash.com/photo-1543900694-133f37abaaa5?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=400&q=60",
    "past_shows": [{
      "artist_id": 4,
      "artist_name": "Guns N Petals",
      "artist_image_link": "https://images.unsplash.com/photo-1549213783-8284d0336c4f?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=300&q=80",
      "start_time": "2019-05-21T21:30:00.000Z"
    }],
    "upcoming_shows": [],
    "past_shows_count": 1,
    "upcoming_shows_count": 0,
  }
  data2={
    "id": 2,
    "name": "The Dueling Pianos Bar",
    "genres": ["Classical", "R&B", "Hip-Hop"],
    "address": "335 Delancey Street",
    "city": "New York",
    "state": "NY",
    "phone": "914-003-1132",
    "website": "https://www.theduelingpianos.com",
    "facebook_link": "https://www.facebook.com/theduelingpianos",
    "seeking_talent": False,
    "image_link": "https://images.unsplash.com/photo-1497032205916-ac775f0649ae?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=750&q=80",
    "past_shows": [],
    "upcoming_shows": [],
    "past_shows_count": 0,
    "upcoming_shows_count": 0,
  }
  data3={
    "id": 3,
    "name": "Park Square Live Music & Coffee",
    "genres": ["Rock n Roll", "Jazz", "Classical", "Folk"],
    "address": "34 Whiskey Moore Ave",
    "city": "San Francisco",
    "state": "CA",
    "phone": "415-000-1234",
    "website": "https://www.parksquarelivemusicandcoffee.com",
    "facebook_link": "https://www.facebook.com/ParkSquareLiveMusicAndCoffee",
    "seeking_talent": False,
    "image_link": "https://images.unsplash.com/photo-1485686531765-ba63b07845a7?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=747&q=80",
    "past_shows": [{
      "artist_id": 5,
      "artist_name": "Matt Quevedo",
      "artist_image_link": "https://images.unsplash.com/photo-1495223153807-b916f75de8c5?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=334&q=80",
      "start_time": "2019-06-15T23:00:00.000Z"
    }],
    "upcoming_shows": [{
      "artist_id": 6,
      "artist_name": "The Wild Sax Band",
      "artist_image_link": "https://images.unsplash.com/photo-1558369981-f9ca78462e61?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=794&q=80",
      "start_time": "2035-04-01T20:00:00.000Z"
    }, {
      "artist_id": 6,
      "artist_name": "The Wild Sax Band",
      "artist_image_link": "https://images.unsplash.com/photo-1558369981-f9ca78462e61?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=794&q=80",
      "start_time": "2035-04-08T20:00:00.000Z"
    }, {
      "artist_id": 6,
      "artist_name": "The Wild Sax Band",
      "artist_image_link": "https://images.unsplash.com/photo-1558369981-f9ca78462e61?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=794&q=80",
      "start_time": "2035-04-15T20:00:00.000Z"
    }],
    "past_shows_count": 1,
    "upcoming_shows_count": 1,
  }
  data = list(filter(lambda d: d['id'] == venue_id, [data1, data2, data3]))[0]