fastsql:快捷方式的python版表迁移工具(多线程版)-源码

上传者: 42120541 | 上传时间: 2021-03-08 15:06:55 | 文件大小: 67KB | 文件类型: ZIP
带有进度条显示的快速迁移表的python包,快读sql生成DataFrame,生成CSV。 1.3.2更新说明,恢复mysql列名关键字占用。 支持千万级数据迁移,支持自定义迁移列,自定义迁移数据结构 在您无法使用load或dump命令,或者所迁移表结构不同,需要对数据做处理时使用。 标准化多线程识读器,无需关注识读过程,只需关注入库前数据的处理 本地缓存入库,降低内存, 一,安装 pip安装fast_sql 二,依赖环境 Python3.6 + Oracle 二,示例 import fast_sql 多线程读表生成DataFrame # con 数据库连接字符串,或者 sqlalchemy 对象 # chunksize 单个线程读取数量 默认20000 # show_progress 是否显示进度条 # thread_num 线程数量 # return Dataframe # 其他

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