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数据库加锁避免多线程访问报错

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shuaikangzhou
2023-11-17 21:34:22 +08:00
parent 142a260f01
commit fc0b1250c4
13 changed files with 574 additions and 111 deletions
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28
app/DataBase/micro_msg.py
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@@ -1,5 +1,6 @@
import os.path
import sqlite3
import time
DB = None
cursor = None
@@ -25,15 +26,24 @@ def is_database_exist():
def get_contact():
sql = '''select UserName,Alias,Type,Remark,NickName,PYInitial,RemarkPYInitial,ContactHeadImgUrl.smallHeadImgUrl,ContactHeadImgUrl.bigHeadImgUrl
from Contact inner join ContactHeadImgUrl on Contact.UserName = ContactHeadImgUrl.usrName
where Type=3 and Alias is not null
order by PYInitial
'''
cursor.execute(sql)
result = cursor.fetchall()
# pprint(result)
# print(len(result))
try:
sql = '''select UserName,Alias,Type,Remark,NickName,PYInitial,RemarkPYInitial,ContactHeadImgUrl.smallHeadImgUrl,ContactHeadImgUrl.bigHeadImgUrl
from Contact inner join ContactHeadImgUrl on Contact.UserName = ContactHeadImgUrl.usrName
where Type=3 and Alias is not null
order by PYInitial
'''
cursor.execute(sql)
result = cursor.fetchall()
except:
time.sleep(0.2)
sql = '''select UserName,Alias,Type,Remark,NickName,PYInitial,RemarkPYInitial,ContactHeadImgUrl.smallHeadImgUrl,ContactHeadImgUrl.bigHeadImgUrl
from Contact inner join ContactHeadImgUrl on Contact.UserName = ContactHeadImgUrl.usrName
where Type=3 and Alias is not null
order by PYInitial
'''
cursor.execute(sql)
result = cursor.fetchall()
# DB.commit()
return result