pymysql-extension是一个基于pymysql的扩展,主要是为了解决pymysql在使用过程中的一些不便之处。
Project description
pymysql-extension
Author: Joker-desire
pymysql-extension是一个基于pymysql的扩展,主要是为了解决pymysql在使用过程中的一些不便之处。
注:只用到了pymysql库,所以不用担心兼容性问题。
实现的功能
- 1.SQL阅读器
- 2.SQL结果对象转换器
安装
pip install pymysql-extension
注意事项
1. SQL阅读器使用时SQL文件路径设置
方式一:设置SQL文件路径环境变量
export SQL_PATH=/path/to/sql
方式二:在代码中设置SQL文件路径
os.environ["SQL_PATH"] = "/path/to/sql"
方式三:不想设置环境变量,可直接在代码中设置SQL文件路径
sql = SqlReader.reader("/path/to/sql/example.sql")
2. SQL结果对象转换器使用时数据库连接配置
数据库配置(默认)
{
"host": "localhost",
"port": 3306,
"user": "root",
"password": "root",
"db": "",
"charset": "utf8"
}
自定义配置
方式一:
conf = {
"host": "localhost",
"user": "root",
"password": "root",
"db": "test",
}
converter = SqlObjectConverter(**conf)
方式二:
converter = SqlObjectConverter(host="localhost", user="root", password="root", db="test")
示例
from extension._sql_reader import SqlReader
from extension._sql_object_converter import SqlObjectConverter
if __name__ == '__main__':
sql = SqlReader.reader("example.sql", user_name="Joker-desire")
print(sql)
# 创建SQL对象转换器
converter = SqlObjectConverter()
# 执行SQL,并获取结果
results = converter.exec(sql).fetch_all()
print(results)
# 执行SQL,并获取结果
result = converter.exec(sql).fetch_one()
# 将结果转换成字典
print(result.to_dict())
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