python - PostgreSQL:无法删除名为 "user"的特定表

Question

我无法删除我的 PostgreSQL 数据库中的特定表。该表称为“用户”。当我尝试运行下面的代码片段时，

    import psycopg2
    conn = psycopg2.connect("dbname='mydatabase' user='postgres' host='localhost' password='mypassword'")
    cur = conn.cursor()
    cur.execute("DROP TABLE user;")  
    conn.commit()
    conn.close()

它吐出以下错误

  Traceback (most recent call last):
    File "dev_psycog.py", line 20, in <module>
       cur.execute("DROP TABLE user;")  
  psycopg2.ProgrammingError: syntax error at or near "user"
  LINE 1: DROP TABLE user;

我可以很好地删除数据库中的任何其他表，但我似乎无法删除名为“user”的表。是因为“用户”是reserved keyword吗？ ？

Answer 1

如下引用“用户”

import psycopg2
conn = psycopg2.connect("dbname='mydatabase' user='postgres' host='localhost' password='mypassword'")
cur = conn.cursor()
cur.execute('DROP TABLE "user";')  
conn.commit()
conn.close()

参见 here .

There is a second kind of identifier: the delimited identifier or quoted identifier. It is formed by enclosing an arbitrary sequence of characters in double-quotes (").