sql运维手册

类型	SQL	功能	参数说明
基本信息	show meta;	查询Baikal MetaServer地址
	show socket;	查询当前socket连接状态
	handle create_namespace Namespace;	创建namespace
table相关	show cost switch;	查询所有开启了代价开关的table
	show all_tables binlog/ttl/fulltext/cstore/learner	查看所有开启binlog/ttl的表
	show schema_conf Conf	查询schame conf	@ Conf ：[ need_merge, storage_compute_separate, select_index_by_cost, pk_prefix_balance, in_fast_import ]
	handle schema_conf TableName Key Value(true/false)	修改某个表的schema conf	@ Key ：[ need_merge, storage_compute_separate, select_index_by_cost, pk_prefix_balance]
	handle schema_conf {table_name} backup_table BT_LEARNER	强制将某个表的读请求降级到learner	先use库，红色部分为对应的表名
	handle schema_conf {table_name} backup_table BT_NONE	删除表的learner降级策略	先use库，红色部分为对应的表名
	show schema_conf backup_table	查看索引表的降级策略
	handle schema_conf {table_name} add_forcelearner {sign}	强制某个sql降级到learner	先use库，无法确认sql签名请联系baikaldb值班同学
	handle schema_conf {table_name} delete_forcelearner {sign}	取消该sql的强制降级	同上
	select * from information_schema.SIGN_FORCELEARNER;	查看已经降级的SQL
	handle schema_conf {table_name} add_blacklist {sign}	屏蔽某个SQL	先use库
	handle schema_conf {table_name} delete_blacklist {sign}	取消该sql的屏蔽	先use库
	select * from information_schema.SIGN_BLACKLIST;	查看已经屏蔽的SQL
	handle schema_conf {table_name} add_forceindex sign:indec_name;	以sql sign指定索引	先use库
	handle schema_conf {table_name} delete_forceindex sign:indec_name;	删除以sql sign指定的索引	先use库
	select * from information_schema.SIGN_FORCEINDEX;	查看forceindex的sql
	handle table_resource_tag TableName NewResourceTag	修改表的resource tag
	handle main_logical_room TableName MainLogicalRoom	修改表的主机房
	handle link_binlog DBName  TableName  binlog表DBName  binlog表TableName  [link_field_name] handle unlink_binlog  DBName TableName  binlog表DBName  binlog表TableName	修改表的binlog配置
	handle update_dists  '{"table_name": "table_name","database": "database","namespace_name": "namespace","replica_num": 3,"main_logical_room" : "nj","dists": [ {"logical_room": "nj","count" : 3}]}'	修改表的副本分布
	handle split_lines TableName SplitLines	修改table splitLine
	handle ttl_duration TableName ttl_duration	修改table ttl_duration
binlog表全部信息展示	show binlogs_info detail db.table_name;	展示binlog表的全部region信息
binlog分区展示	show binlogs_info db.table_name [partition_id];	展示binlog的分区信息
instance / resource tag	handle drop_instance InstanceAddress	drop一个instance
	handle instance_param ResourceTagOrAddress Key Value  IsMetaParam(true)	修改instance的InstanceParam配置(value=delete：删除配置）	resourcetag设置__baikaldb ，可以改同一个meta下所有baikaldb的参数
	handle migrate_instance InstanceAddress	迁移一个instance
	handle instance_status InstanceAddress status(NORMAL/SLOW/MIGRATE)	设置一个instance的状态
	handle load_balance ResourceTag open/close   handle migrate ResourceTag open/close handle network_balance ResourceTag open/close	开启/关闭某个resource tag的负载均衡故障迁移 网段load balance
	show switch resourceTag	查看resource tag开关是否开启（load_balance, migrate, 网段load balance），resourceTag可选
	show network_segment resourceTag	查看一个resourceTag的网段划分
	handle instance_param resourceTag use_token_bucket 0/1	令牌桶开关
region	show region TableID/TableName RegionID	查询region信息
	show abnormal regions ResourceTag [unhealthy/learner];	查询所有非normal状态的region信息learner表示查learner集群信息
	handle meta_drop_region RegionID RegionID...	通知MetaServer drop region
	handle abnormal regions Action ResourceTag	处理非正常状态region	@ Action：[ remove_illegal_peer, remove_error_peer, set_peer, init_peer ]
	handle split_region RegionID [SplitKey]	分裂region
user & privilege	handle add_user  '{"username" : "username","password" : "password","namespace_name" : "namespace","privilege_database" : [{"database" : "database_name","database_rw" : 2 // 1: read, 2: write}],"bns":["preonline", "offline"],"ip":["127.0.0.1", "127.0.0.2"]}'	创建用户
	handle add_user  '{"username" : "username","password" : "password","namespace_name" : "namespace","privilege_database" : [{"database" : "database_name","database_rw" : 2 // 1: read, 2: write}],"bns":["preonline", "offline"],"ip":["127.0.0.1", "127.0.0.2"],"resource_tag" : "e0"}'	创建用户，并指定learner resource_tag
	handle add_privilege DBName  [ READ ]	添加权限
	handle rm_privilege DBName TableName	删除权限
	handle add_privilege resource_tag Tag	修改当前user的learner resource_tag
	handle rm_privilege resource_tag Tag	删除当前user的learner resource_tag
	handle add_privilege ddl_permission true/false	修改当前user的ddl权限对当前用户授权后需要重连生效	使用如下命令设置baikaldb是否校验ddl权限，如果为false则不校验，所有user下的ddl权限不生效。e0设置为false，其他默认truehandle instance_param __baikaldb need_verify_ddl_permission true/false
	show user UserName	查询用户信息
	show privilege UserName	查询用户权限
	show namespace;	查询用户所在的namespace
index & ddl	show global_ddlwork TableName	查询某个表全局ddlwork信息
	show ddlwork TableName [ region ]	查询某个表ddlwork信息
	handle delete_ddl TableName [ global ]	删除ddlwork
	handle suspend_ddl TableName	暂停ddlwork
	handle restart_ddl TableName	重新启动ddlwork
	show virtual index;	查询虚拟索引
	show disable indexs;	查看所有出于disable状态的index
store	show store region StoreAddress RegionID;	查询store上的一个region信息
	show store_txn StoreAddress regionID;	查询txn
	handle store_rm_region StoreAddress regionID (no_delay) (force)	删除某个store上的region
	handle store_add_peer TableID RegionID PeerAddress	add_peer
	handle store_rm_peer TableID RegionID PeerAddress force	rm_peer
	handle store_set_peer TableID RegionID PeerAddress (force)	set_peer，强制设置成一个peer
	handle store_trans_leader TableID RegionID NewLeaderAddress	transfer leader
	handle store_compact_region StoreAddress TYPE [reginID]	compact region	@Type: [ data, meta, raft_log ]
和mysql表现保持一致	show create table TableName;show collation;show databases;show table status;show tables;show warnings;show processlist;show full tables;show full columns from TableNameshow variables	略
紧急上线开关	handle instance_param ResourceTag Key Value  IsMetaParam(true)	handle instance_param global_baikalStore_clusters emergency_launched_switch 1 true	1表示打开 0表示关闭ResourceTag为global_baikalStore_clusters，key为emergency_launched_switch，value为0或者1 IsMetaParam为true
线上导数据切表操作	show create table OldTableName;CREATE TABLE NewTableName{OldTableSchema};insert into NewTableName select * from OldTableName;alter table OldTableName Rename OldTableName+"_del";alter table NewTableName Rename OldTableName;	将旧表数据导入新表，并切表，旧表数据在100w行以内有效。