切分大文件sql为小份

数据库太大了,整个备份导入出问题或者慢,需要将整个库按照表分割(一个表一个sql文件)

环境 win10
工具:python3.7+pycharm
要分割的文件大小:6G,sql文件
import re

dbname = ''

with open('best**.sql', 'r', encoding='utf-8') as f:
    for i,db in enumerate(f):
        dbnamea = re.findall('Table structure for (.*)', db)
        if dbnamea:
            dbname = dbnamea[0]
            print('正在写入%s' % dbname)
        if dbname != '':
            with open('sqls_datas/{}.sql'.format(dbname), 'a+', encoding='utf-8') as fw:
                fw.write(db)
print('split sql file done!')
切分结果:

切分大文件sql为小份_第1张图片

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