python - 向 postgres 表中插入一个列表

Question

我想通过 Python 将值列表插入到 Postgres 表中:

值在列表中说:

new=
[
    [gold, dresden, 1000, 24],
    [silver, Cologne, 600, 42],
    [gold, Aachen, 3000, 25]
]

并且已经在 Postgres 中创建了带有标题的表。如何插入？

db.execute("INSERT INTO B4_O (position, city, amount, score) VALUES (%s,%s,%s)", new)
db.commit

但这给了我错误:

not all arguments converted during string formatting

Answer 1

使用psycopg2.extras.execute_values() :

new = [
    ['gold', 'dresden', 1000, 24],
    ['silver', 'Cologne', 600, 42],
    ['gold', 'Aachen', 3000, 25]
]

from psycopg2.extras import execute_values

execute_values(db, "INSERT INTO B4_O (position, city, amount, score) VALUES %s", new)