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Python interface to GBase 8s Database

Project description

python-gbase8sdb

python-gbase8sdb 是一个 [Python 编程语言][python] 扩展模块,允许 Python 程序连接到 GBase 8s 数据库。

该模块符合 [Python 数据库 API 2.0 规范][pep249],并且包含大量扩展和少数排除项。

安装

运行 python -m pip install gbase8sdb 安装。

依赖和互操作性

  • 支持的 Python 版本:2.7 。

  • 支持的 GBase 8s 数据库版本:GBase 8s V8.8_3.6.2版本及以上。

  • 支持的操作系统:Linux x86_64、 Windows 64位操作系统 。

  • 依赖 GSDK 1.1 版本。

使用说明

  1. gbase8sdb驱动连接数据库依赖GSDK,所以您需要联系GBase 8s技术支持或通过官方渠道获取相应版本的GSDK,并安装到您的机器上, 并设置如下环境变量:
  • Linux系统:
GSDK_PATH=/path/to/gsdk
export LD_LIBRARY_PATH=${GSDK_PATH}/lib:$LD_LIBRARY_PATH
export GBASEDBTDIR=${GSDK_PATH}/lib
  • Windows系统:
GSDK_PATH=\path\to\gsdk
set PATH=%GSDK_PATH%\lib;%PATH%
set GBASEDBTDIR=%GSDK_PATH%\lib

入门

在您的Python应用程序中,可以通过以下方式连接到数据库:

import gbase8sdb

# 生成dsn
dsn = gbase8sdb.makedsn(
    server_name="ol_gbasedbt1210_2",    # 数据库实例名称
    db_name="testdbutf8",               # 数据库名称
    host="192.168.xxx.xxx",             # 数据库实例所在服务器的IP地址或域名
    port=9088,                          # 数据库实例的端口号
    db_locale='zh_CN.utf8'              # 数据库字符集
)
user = "gbasedbt"                       # 数据库用户名
password = "xxxxxx"                     # 数据库用户密码

# 连接数据库
conn = gbase8sdb.connect(dsn, user, password) 
# 创建游标  
cursor = conn.cursor()  
# 执行SQL语句                       
cursor.execute("drop table if exists t")
cursor.execute("create table t (id int, name varchar(20))")
cursor.execute("insert into t values (?, ?)", (1, "zhangsan"))
cursor.execute("select * from t")
# 获取查询结果
print(cursor.fetchall())
# 关闭游标和连接
cursor.close()
conn.close()

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