Python脚本---在 MySQL数据库中跑批加载多个表的数据

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#!/usr/bin/env python
# -*- coding:utf-8 -*-

"""
Purpose: 生成日明细账单数据
Created: 2015/4/21
Modified:2015/4/24
@author: guoyJoe
"""
#导入模块
import MySQLdb
import time
import datetime
import os

#日期
today = datetime.date.today()
yestoday = today - datetime.timedelta(days=1)

#账单日期
date_acct = yestoday.strftime('%Y%m%d')

#SQL语句
sqlDel = 'DELETE FROM dbchkbill.tb_day_chkbill WHERE date_acct = %s'

sqlIns = """
INSERT INTO dbchkbill.tb_day_chkbill(order_id,traderno,order_dtsend,oid_biz,oid_billno,date_acct,amt_paybill,flag,
stat_bill,pay_prod,pay_type,order_info,dt_billupd)
SELECT p.order_id as order_id,q.pay_custid as traderno,p.order_dtsend as order_dtsend,
q.oid_biz as oid_biz,CAST(q.oid_billno as char) as oid_billno,q.date_acct as date_acct,
q.amt_payserial as amt_paybill,'1' as flag,p.stat_bill as stat_bill,p.oid_chnl as pay_prod,
q.pay_type as pay_type,p.order_info as order_info,q.dt_col as dt_billupd
FROM dbpay.tb_pay_bill p, dbpay.tb_paybillserial q
WHERE p.oid_billno = q.oid_billno and p.paycust_accttype = '2'
AND p.Paycust_Type = '1'
AND p.stat_bill in ('0', '4')
AND q.pay_stat = '1'
AND q.col_stat = '1'
and q.date_acct = %s
UNION ALL
SELECT distinct p.order_id as order_id,p.col_custid as traderno,
p.order_dtsend as order_dtsend,q.oid_biz as oid_biz,CAST(q.oid_billno AS CHAR) as oid_billno,
q.date_acct as date_acct,q.amt_payserial as amt_paybill,(
case when q.amt_payserial > 0 then '0' else '1' end) as flag,p.stat_bill as stat_bill,
p.oid_chnl as pay_prod,q.pay_type as pay_type,p.order_info as order_info,q.dt_col as dt_billupd
FROM dbpay.tb_pay_bill p, dbpay.tb_paybillserial q
WHERE p.oid_billno = q.oid_billno
AND p.col_accttype = 2
AND p.col_type = 1
AND p.stat_bill in (0, 4)
AND q.pay_stat = 1
AND q.col_stat = 1
AND q.DATE_ACCT = %s
UNION ALL
SELECT R.ORDER_ID AS ORDER_ID,R.ORI_COL_CUSTID as traderno,R.ORDER_DT AS ORDER_DTSEND,
Q.OID_BIZ AS OID_BIZ,R.ORI_ORDER_ID AS OID_BILLNO,q.date_acct as date_acct,
Q.AMT_PAYSERIAL AS AMT_PAYBILL,
(CASE WHEN Q.Colcust_Type='1' THEN '0' WHEN Q.Paycust_Type='1' THEN '1' END) as flag,
IF(R.STAT_BILL, '2', '5') AS STAT_BILL,r.oid_chnl as pay_prod,q.pay_type as pay_type,r.memo as order_info,
q.dt_col as dt_billupd FROM DBPAY.TB_REFUND_BILL R, DBPAY.TB_PAYBILLSERIAL Q
WHERE R.oid_refundno = trim(Q.OID_BILLNO)
AND R.ORI_COL_ACCTTYPE = 2
AND R.ORI_COL_TYPE = 1
AND R.STAT_BILL = 2
AND Q.PAY_STAT = 1
AND Q.COL_STAT = 1
AND Q.DATE_ACCT = %s
"""

try:
#连接MySQL数据库
connDB = MySQLdb.connect("192.168.1.6","root","root","test" )
connDB.select_db('test‘)

#删除昨晚账单的数据
curDel = connDB.cursor()
curDel.execute(sqlDel,date_acct)
connDB.commit()
curDel.close()

#插入昨天账单的数据
curIns = connDB.cursor()
curIns.execute(sqlIns,(date_acct,date_acct,date_acct))
connDB.commit()
curIns.close()
connDB.close()
print ('Insert the billing data successfully! %s' %time.strftime('%Y-%m-%d %H:%M:%S'))

#异常
except MySQLdb.Error,err_msg:
print "MySQL error msg:",err_msg