简介 Online Schema Change:Online Schema Change(OSC)工具是MySQL官方提供的一种无锁变更工具,它可以在不停止MySQL服务器的情况下对表结构进行修改。OSC利用了InnoDB存储引擎的特性,使用复制和重放日志的方式来实现无锁变更。 官方文档 https://docs.percona.com/percona-toolkit/pt-online-schema-change.html 解决痛点...
altertabletest1renamecolumnop_tagop_tag_1; 文档地址:https://doris.apache.org/zh-CN/docs/dev/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-RENAME/ 快速修改表结构 具体文档参照:https://doris.apache.org/zh-CN/docs/dev/sql-manual/sql-reference/Data-Definition-Statements/Alter...
YUM 安装 参考https://docs.percona.com/percona-toolkit/installation.html pt-osc 使用 要执行的命令很长,尤其是里边还包含修改语句的SQL,建议放在脚本里,看仔细后,再执行,参考脚本如下 #!/bin/bash binname=/usr/local/percona-toolkit-3.5.7/bin/pt-online-schema-change action='--dry-run' # action='...
A-schema-changes on Mar 25, 2020 jordanlewis added C-bugCode not up to spec/doc, specs & docs deemed correct. Solution expected to change code/behavior. on Mar 31, 2020 Edit: I've split off the content of this comment into#47712, since not being able to roll back or clean up the...
Here, currently alter schema is under altering state and had altered135285docs so far. Additionally, another status array we getalter_historywhich displays status of last 5 alter operations in most recent to least recent order. PR Checklist
Mode de mise au point Cette page n'a pas été traduite dans votre langue.Demande de traduction A policy that specifies update and deletion behaviors for the crawler. Contents DeleteBehavior The deletion behavior when the crawler finds a deleted object. ...
When passing SchemaChangePolicy as input to an Aws::Client method, you can use a vanilla Hash: { update_behavior: "LOG", # accepts LOG, UPDATE_IN_DATABASE delete_behavior: "LOG", # accepts LOG, DELETE_FROM_DATABASE, DEPRECATE_IN_DATABASE } A policy that specifies update and deletion...
docs: add GH button in support of Ukraine (#34) 3年前 osc_cli OSC: add py3 hashbang to all files except those that require py2 backw… 5年前 setup.cfg fix setup.py 8年前 setup.py apply import merging for fbcode/dba/osc (1 of 1) 3年前 test_cli move Deploymen...
VB F# 閱讀英文 新增至集合 新增至計劃 共用方式為 Facebookx.comLinkedIn電子郵件 列印 發行項 2012/04/02 本文內容 語法 範例 請參閱 ChangeSchema 方法 Changes the schema of the alias data type. 命名空間:Microsoft.SqlServer.Management.Smo 組件:Microsoft.SqlServer.Smo (在 Microsoft.SqlServer.Smo.dll ...
pt-online-schema-change - ALTER tables without locking them.SYNOPSIS¶ Usage¶ pt-online-schema-change [OPTIONS] DSN pt-online-schema-change alters a table’s structure without blocking reads or writes. Specify the database and table in the DSN. Do not use this tool before reading its...