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我嘗試使用下面的代碼連接到一個我們公司內部數據庫:SQLAlchemy中沒有找到表,可能的連接問題
engine = create_engine('postgresql+psycopg2://{user}:{passw}@{host}:{port}/{db}'.format(
user=config3.CANVAS_USERNAME,
passw=config3.CANVAS_PWD,
host=config3.CANVAS_BOUNCER,
port=config3.CANVAS_PORT,
db='cluster17dr'
))
metadata = MetaData()
metadata.reflect(bind=engine)
print(metadata.tables)
而我唯一的結果是一個名爲「spatial_ref_sys」表,這是我承擔是某種元數據。我知道我的登錄信息是正確的,因爲這是完美的:
with ppg2.connect(
database='cluster17dr',
user=config3.CANVAS_USERNAME,
password=config3.CANVAS_PWD,
host=config3.CANVAS_BOUNCER,
port=config3.CANVAS_PORT) as conn:
cur = conn.cursor()
sql = 'SELECT * FROM canvas.switchman_shards LIMIT 10'
cur.execute(sql)
res = cur.fetchall()
print(res)
任何想法,我在我的連接使用SQLAlchemy缺少什麼?
嘗試指定'metadata.reflect(...模式= 「畫布」)'? – univerio
這樣做。創建一個答案,我會接受:) – flybonzai