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103 lines
3.1 KiB
103 lines
3.1 KiB
# python -m pip install --upgrade pip -i http://pypi.douban.com/simple/
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# pip install pymysql -i http://pypi.douban.com/simple/
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import datetime
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import sys
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import pymysql.cursors
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class MySQLHelper:
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myVersion = 0.1
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def __init__(self, host, port, db, user, password, charset="utf8"):
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self.host = host
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self.user = user
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self.port = port
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self.password = password
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self.charset = charset
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self.db = db
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try:
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self.conn = pymysql.connect(host=self.host, port=self.port, user=self.user, passwd=self.password,
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db=self.db, charset=self.charset, cursorclass=pymysql.cursors.DictCursor)
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self.cursor = self.conn.cursor()
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# 设置执行时间为8小时
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sql = "set session wait_timeout=288000"
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self.cursor.execute(sql)
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sql = "set session interactive_timeout=288000"
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self.cursor.execute(sql)
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except Exception as e:
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print('MySql Error : %d %s' % (e.args[0], e.args[1]))
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def query(self, sql: object) -> object:
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try:
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self.cursor.execute(sql)
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result = self.cursor.fetchall()
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return result
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except Exception as e:
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print('MySql Error: %s SQL: %s' % (e, sql))
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def execute(self, sql):
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try:
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self.cursor.execute(sql)
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self.conn.commit()
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# 获取更新了多少条数据
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return self.cursor.rowcount
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except Exception as e:
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print('MySql Error: %s SQL: %s' % (e, sql))
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def executeWithPara(self, sql, params):
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try:
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self.cursor.execute(sql, params)
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self.conn.commit()
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except Exception as e:
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print('MySql Error: %s SQL: %s' % (e, sql))
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def executemany(self, sql, data):
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try:
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self.cursor.executemany(sql, data)
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self.conn.commit()
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except Exception as e:
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print('MySql Error: %s SQL: %s' % (e, sql))
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def close(self):
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self.cursor.close()
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self.conn.close()
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# 黄海定义的输出信息的办法，带当前时间
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def logInfo(msg):
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i = datetime.datetime.now()
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print(" %s %s" % (i, msg))
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# 准备扩展
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_dict = {
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"t_resource_base": "update t_resource_base t1,t_dm_stage t2 set t1.CHECK_MESSAGE=t2.stage_name where t1.stage_id=t2.stage_id and t1.CHECK_MESSAGE is null limit 100"}
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if __name__ == '__main__':
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if len(sys.argv) == 1:
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print("没有正确输入参数，请检查！输入样例: python pack.py t_resource_base")
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sys.exit()
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tableName = sys.argv[1]
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# 配置
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user = 'root'
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password = 'DsideaL147258369'
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host = '10.10.14.230'
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port = 22066
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database = 'test'
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db = MySQLHelper(user=user, host=host, port=port, password=password, db=database)
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while True:
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sql = _dict[tableName]
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cnt = db.execute(sql)
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logInfo("成功更新%s条" % cnt)
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if cnt == 0:
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break
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db.close()
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