Python psycopg2 没有插入到 postgresql 表中

2022-01-09 00:00:00 python postgresql psycopg2 insert

问题描述

我正在使用以下方法尝试将记录插入到 postgresql 数据库表中，但它不起作用.我没有收到任何错误，但表中没有记录.我需要提交还是什么?我正在使用通过 Bitnami djangostack 安装的 postgresql 数据库.

I'm using the following to try and insert a record into a postgresql database table, but it's not working. I don't get any errors, but there are no records in the table. Do I need a commit or something? I'm using the postgresql database that was installed with the Bitnami djangostack install.

import psycopg2

try:
    conn = psycopg2.connect("dbname='djangostack' user='bitnami' host='localhost' password='password'")
except:
    print "Cannot connect to db"

cur = conn.cursor()

try:
    cur.execute("""insert into cnet values ('r', 's', 'e', 'c', 'w', 's', 'i', 'd', 't')""")
except:
    print "Cannot insert"

解决方案

如果不想每条记录都提交到数据库，可以添加以下行:

If don't want to have to commit each entry to the database, you can add the following line:

conn.autocommit = True

所以你得到的代码是:

import psycopg2

try:
    conn = psycopg2.connect("dbname='djangostack' user='bitnami' host='localhost' password='password'")
    conn.autocommit = True
except:
    print "Cannot connect to db"

cur = conn.cursor()

try:
    cur.execute("""insert into cnet values ('r', 's', 'e', 'c', 'w', 's', 'i', 'd', 't')""")
except:
    print "Cannot insert"

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