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HomeBackend DevelopmentPython Tutorialpymssql数据库操作MSSQL2005实例分析

本文实例讲述了pymssql数据库操作MSSQL2005的方法。分享给大家供大家参考。具体如下:

使用的MSSQL2005,通过pymssql来连接的。把可能用到的数据库操作方式都总结如下,如果要用的时候就备查啦。

#!/usr/bin/env python
#coding=utf-8
from __future__ import with_statement
from contextlib import closing
import inspect
import pymssql
import uuid
import datetime
#查询操作
with closing(pymssql.connect(host='localhost',user='sa',password='pppp',database='blogs')) as conn :
  cur = conn.cursor()
  #SELECT 长连接查询操作(逐条方式获取数据)
  sql = "select * from pcontent"
  cur.execute(sql)
  for i in range(cur.rowcount):
    print cur.fetchone()
  #SELECT 短链接查询操作(一次查询将所有数据取出)
  sql = "select * from pcontent"
  cur.execute(sql)
  print cur.fetchall()
  #INSERT 
  sql = "INSERT INTO pcontent(title)VAlUES(%s)"
  uuidstr = str(uuid.uuid1())
  cur.execute(sql,(uuidstr,))
  conn.commit()
  print cur._result
  #INSERT 获取IDENTITY(在插入一个值,希望获得主键的时候经常用到,很不优雅的方式)
  sql = "INSERT INTO pcontent(title)VAlUES(%s);SELECT @@IDENTITY"
  uuidstr = str(uuid.uuid1())
  cur.execute(sql,(uuidstr,))
  print "arraysite:",cur.arraysize
  print cur._result[1][2][0][0]#不知道具体的做法,目前暂时这样使用
  conn.commit()
  #Update
  vl = '中国'
  sql = 'update pcontent set title = %s where id=1'
  cur.execute(sql,(vl,))
  conn.commit()
  #参数化查询这个是为了避免SQL攻击的
  sql = "select * from pcontent where id=%d"
  cur.execute(sql,(1,))
  print cur.fetchall()
  # 调用存储过程SP_GetALLContent 无参数
  sql = "Exec SP_GetALLContent"
  cur.execute(sql)
  print cur.fetchall()
  # 调用存储过程SP_GetContentByID 有参数的
  sql = "Exec SP_GetContentByID %d"
  cur.execute(sql,(3,))
  print cur.fetchall()
  #调用存储过程SP_AddContent 有output参数的(很不优雅的方式)
  sql = "DECLARE @ID INT;EXEC SP_AddContent 'ddddd',@ID OUTPUT;SELECT @ID"
  cur.execute(sql)
  print cur._result

希望本文所述对大家的Python程序设计有所帮助。

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