近日,某个QQ 群里的一个朋友提出一个问题,如何将一个DB 的表结构同步给另一个DB。
针对这个问题,我进行了思考与实践,具体的实现代码如下所示:
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# coding:utf-8
import pymysql
dbDict = { "test1" : "l-beta.test1" }
dbUser = "test"
dbPassword = "123456"
class DBUtils():
def __init__( self ):
self .conn = pymysql.connect(dbDict[ 'test1' ], dbUser, dbPassword)
self .cursor = self .conn.cursor()
def dbSelect( self , sql):
print ( "------------------------------------" )
print (sql)
resultList = []
self .cursor.execute(sql)
result = self .cursor.fetchall()
columns = self .cursor.description
for val in result:
tempDict = {}
for cloNum in range ( len (columns)):
tempDict[ str (columns[cloNum][ 0 ])] = val[cloNum]
resultList.append(tempDict)
print ( "---------------------打印查询结果----------------------" )
print (resultList)
self .dbClose()
return resultList
def dbExcute( self , sql):
print (sql)
self .cursor.execute(sql)
self .dbClose()
def dbClose( self ):
self .conn.commit()
self .cursor.close()
self .conn.close()
if __name__ = = "__main__" :
test = DBUtils()
result = test.dbSelect( "select table_name from information_schema.tables where table_schema='testdb1'" )
for dict1 in result:
test = DBUtils()
create_table_sql = "create table testdb.%s as select * from testdb1.%s" % (dict1[ 'table_name' ],dict1[ 'table_name' ])
print (create_table_sql)
test.dbExcute(create_table_sql)
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示例代码操作简单,通俗易懂,所以没有过多的注释,如有疑问的小伙伴们,可在文章下方评论。
以上就是Python 如何实现数据库表结构同步的详细内容,更多关于Python 数据库表结构同步的资料请关注服务器之家其它相关文章!
原文链接:https://www.cnblogs.com/Wu13241454771/p/13613658.html