select
date
,sum(if
(op_type =
'行為b'
,coin_amount,0)
)as loan_***
,sum(
if(op_type =
'行為b'
,coin_amount,
if(op_type =
'行為c'
,-coin_amount,
if(op_type =
'行為a'
,-coin_amount,0)
)))as cdp_debt_***
from
(select date_format(date_sub(curdate(),
interval
%s day),
'%%y-%%m-%%d')as
date
,'行為b'
as op_type
,loan_*** as coin_amount
from 表1
where
date
<= date_format(date_sub(curdate(),
interval
%s day),
'%%y-%%m-%%d'
)union
allselect date_format(date_sub(curdate(),
interval
%s day),
'%%y-%%m-%%d')as
date
,'行為a'
as op_type
,(lq_pay_***-fine_***)
as coin_amount
from 表2
where
date
<= date_format(date_sub(curdate(),
interval
%s day),
'%%y-%%m-%%d'
)union
allselect date_format(date_sub(curdate(),
interval
%s day),
'%%y-%%m-%%d')as
date
,'行為c'
as op_type
,repay_*** as coin_amount
from 表3
where
date
<= date_format(date_sub(curdate(),
interval
%s day),
'%%y-%%m-%%d'))r
group
bydate
# -*- coding: utf-8 -*-
"""created on fri jul 31 14:16:16 2020
@author: songyou han
"""# sql 查詢語句模板
sql_model =
''' select date
,sum(if(op_type = '行為b',coin_amount,0)) as loan_***
,sum(if(op_type = '行為b',coin_amount,if(op_type ='行為c',-coin_amount,if(op_type = '行為a',-coin_amount,0)))) as cdp_debt_***
from(
select date_format(date_sub(curdate(),interval %s day),'%%y-%%m-%%d') as date
,'行為b' as op_type
,loan_*** as coin_amount
from 表1
where date <= date_format(date_sub(curdate(),interval %s day),'%%y-%%m-%%d')
union all
select date_format(date_sub(curdate(),interval %s day),'%%y-%%m-%%d') as date
,'行為a' as op_type
,(lq_pay_***-fine_***) as coin_amount
from 表2
where date <= date_format(date_sub(curdate(),interval %s day),'%%y-%%m-%%d')
union all
select date_format(date_sub(curdate(),interval %s day),'%%y-%%m-%%d') as date
,'行為c' as op_type
,repay_*** as coin_amount
from 表3
where date <= date_format(date_sub(curdate(),interval %s day),'%%y-%%m-%%d')
)rgroup by date
'''import pymysql
# 開啟資料庫連線
source_db = pymysql.connect(
"10.0.0.40"
,"wayki-rw"
,"wayic@r19w"
,"bicoredata"
, charset=
'utf8'
)# destination_db = db = pymysql.connect("localhost", "root", "root", "experiment", charset='utf8' )
# 使用cursor()方法獲取操作游標
src_cursor = source_db.cursor(
)# des_cursor = destination_db.cursor()
for interval in
range
(284):
interval_list =
str(interval)
) interval_list = interval_list*
6 interval_list =
tuple
(interval_list)
try:
#保持資料庫連線
source_db.ping(reconnect=
true
)# 執行sql語句
src_cursor.execute(sql_model,interval_list)
# 獲取所有記錄列表
results = src_cursor.fetchall(
)for row in results:
date = row[0]
loan_cumulative =
format
(int
(row[1]
)/100000000
,'.1f'
) loan_current =
format
(int
(row[2]
)/100000000
,'.1f'
)# 列印結果
print
(date,loan_cumulative,loan_current)
except
:print
("error: unable to fecth data"
)# 關閉資料庫連線
source_db.close(
)
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