python 对比数据库两组数据简单实现

#coding=utf-8
import pymysql
import sql_config

Python的DB-API，为大多数的数据库实现了接口，使用它连接各数据库后，就可以用相同的方式操作各数据库。

Python DB-API使用流程：

引入 API 模块。

获取与数据库的连接。

执行SQL语句和存储过程。

关闭数据库连接。

host=‘172.16.80.31’
user=‘tmp_s’
password=‘KWcOlVpdGjap1gc1’
port=1336

sql=“SELECT callout_duration_180days,callout_counts_180days,callout_unique_numbers_180days,mobile_callout_duration_180days,mobile_callout_counts_180days,mobile_callout_unique_numbers_180days,callin_duration_180days,callin_counts_180days,callin_unique_numbers_180days,mobile_callin_duration_180days,mobile_callin_counts_180days,mobile_callin_unique_numbers_180days,midnight_call_counts_180days,midnight_call_duration_180days,midnight_call_unique_numbers_180days,midnight_mobile_call_duration_180days,midnight_mobile_call_counts_180days,midnight_mobile_call_unique_numbers_180days from dmp.moxie_carrier_ex_data_credit_180_days where orgreqno=‘086088a5-a2f1-4392-bfe3-31e3d7566ff3’;”

sql2=“SELECT callout_duration_90days,callout_counts_90days,callout_unique_numbers_90days,mobile_callout_duration_90days,mobile_callout_counts_90days,mobile_callout_unique_numbers_90days,callin_duration_90days,callin_counts_90days,callin_unique_numbers_90days,mobile_callin_duration_90days,mobile_callin_counts_90days,mobile_callin_unique_numbers_90days,midnight_call_counts_90days,midnight_call_duration_90days,midnight_call_unique_numbers_90days,midnight_mobile_call_duration_90days,midnight_mobile_call_counts_90days,midnight_mobile_call_unique_numbers_90days from dmp.moxie_carrier_ex_data_credit_90_days where orgreqno=‘086088a5-a2f1-4392-bfe3-31e3d7566ff3’;”

def chaxun_sql(host,user,password,pord):

# 打开数据库连接

db=pymysql.connect(host=host,user=user,password=password,port=port)
print('连接成功')
# 使用 cursor() 方法创建一个游标对象 cursor
orgreqnocursor=db.cursor()
cursor = db.cursor()
cursor1=db.cursor()

# 使用 execute()  方法执行 SQL 查询

orgreqnosql="SELECT orgreqno from dmp.moxie_carrier_ex_data_base ;"
orgreqnocursor.execute(orgreqnosql)
results_orgreqno=orgreqnocursor.fetchall()
#print(type(results_orgreqno))

for orgreqno in results_orgreqno:
    orgreqno1=orgreqno[0]


    sql = "SELECT * from dmp.moxie_carrier_ex_data_credit_180_days where orgreqno='{}';".format(orgreqno1)
    #print(sql)
    sql2 = "SELECT * from dmp.moxie_carrier_ex_data_credit_90_days where orgreqno='{}';".format(orgreqno1)

    cursor.execute(sql)
    cursor1.execute(sql2)

#获取全部数据
    results=cursor.fetchone()
#print('180天',results)
#print(len(results))
#print('180天截取',results[1:80])
#print(len(results[1:80]))
    shuzu=results[1:74]

    results2 = cursor1.fetchone()
#print('90天',results2)
#print(len(results2))
    #results2[1:80]
#print('90天截取', results2[1:80])
#print(len(results2[1:80]))
    shuzu2=results2[1:74]

    for i in range(len(shuzu)):

        if float(shuzu[i]) < float(shuzu2[i]):
            print(shuzu[i], shuzu2[i])
            print(orgreqno1)
            shuzu_chuli=float(shuzu[i])
            shuzu2_chuli=float(shuzu2[i])
            print(type(shuzu_chuli, shuzu2_chuli))
            print('chucuo')
        else:
            pass

    shuzubilv=results[74:80]
    shuzu2bilv=results2[74:80]
    for a in range(len(shuzubilv)):
        if float(shuzubilv[a])

if name == ‘main’:
chaxun_sql(host,user,password,port)