1、问题 使用pg_dump -c导出后,通过psql导入时报下面的错误: ERROR: relation "t1" already exists ERROR: duplicate key value violates unique constraint "t1_pkey" ERROR: multiple primary keys for table "t1" are not allowed 2、导入
ERROR:duplicate key value violates unique constraint"t1_pkey" ERROR:multiple primary keys fortable"t1"arenotallowed 1. 2. 3. 2、导入导出的操作 pg_dump-U postgres-d yzs-Fa-c-C-f all.sql psql<all.sql 1. 2. 3、问题分析 1)通过-c导出时在重建database前先drop 2)通过-C导出时导出时导出...
--primary_keysThe primary keys for Paimon table. If there are multiple primary keys, connect them...
Primary Keys Constraint: both unique and not null. A table can only hasONEprimary key, although this primary key can be a group of columns (a composition primary key). Foreign Keys Constraint: specifies that values in a column (or group of columns) must match the values appearing in some ...
command. Therefore it may be necessary, not just desirable, to drop and re-apply foreign keys when loading large amounts of data. If temporarily removing the constraint isn’t acceptable, the only other recourse may be to split up the load operation into smaller transactions. ...
This config file provides a detailed example of a complex PostgreSQL clusterpg-metawith multiple databases, users, and service definition: pg-meta:hosts:{10.10.10.10:{pg_seq:1,pg_role:primary,pg_offline_query:true}}vars:pg_cluster:pg-metapg_databases:# define business databases on this cluster...
摘自:http://www.enmalvi.com/2022/10/28/postgresql-patroni/ 阅读完需:约 125 分钟 当单机的PG数据库无法满足企业需求的时候,那么就要寻求其他的解决方案,为单机的数据库升级改造,建立HA高可用集群数据库,也可以是分布式的集群数据库,这里简单的
This does not work, however, if any of the partition keys is an expression and the partition does not accept NULL values. If attaching a list partition that will not accept NULL values, also add NOT NULL constraint to the partition key column, unless it's an expression. ...
呵呵,那我要是自动化,定期运行pg_dump 怎么办? 啊, 难道回答 臣妾做不到? 方法1 变量法 在执行命令前,通过变量的方法将默认的密码设置成你下一步要使用的密码,然后直接执行pg_dump ,这样的方法来解决有些命令需要输入密码,自动化的问题. 方法2 .password 法 ...
另外有一些对象是有赋予给public角色默认权限的,所以建好之后,所以人都有这些默认权限。 权限体系 pic2 实例级别的权限由pg_hba.conf来控制,例如 : TYPE DATABASE USER ADDRESS METHOD "local" is for Unix domain socket connections only local all all trust ...