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PG::DuplicateColumn:错误:关系"users"的列"encrypted_password"已存在 这个错误是由于在关系数据库中的"users"表中已经存在名为"encrypted_password"的列,而尝试再次创建同名的列导致的冲突。这通常是由于数据库模式定义或迁移脚本中的错误导致的。 解决这个问题的方法是修改数据库模式定义...
During the pg_upgrade process, I encountered an error indicating that the "postgres" database is being accessed by other users, with one active session identified. pg_restore: error: could not execute query: ERROR: database "postgres" is being accessed by other users DETAIL: Th...
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pg_control是一个8KB大小的二进制文件,该文件中记录了PostgreSQL服务器内部信息状态的各方面信息,比如最新检查点(checkpoint)、系统状态、当前运行的postgres服务版本、CRC校验,以及initdb初始化PostgreSQL数据库蔟时设置的某些基本参数。它是在PostgreSQL的7.1版本中新引入的。实际上,该文件中的有效字段值...
pg 1.1 is stuck unclean for 608.785938, current state unknown, last acting [] TOO_FEW_PGS too few PGs per OSD (2 < min 30) >From the documentation -- Placement groups are in an unknown state, because the OSDs that host them
After the pool is created via the librados python library, I check the pg_num of the pool and it's 8; not 256. [root@DCOS01 lib]# ceph osd pool get PE-TEST4 pg_num pg_num: 8 Has anyone else run into this issue? Am I missing something? I know I could ...
migration on existing model找到了答案。我所做的是在DeviseCreateUsers迁移中注解掉这一行:...
In a new deployment, when users sign in to the Tableau Server web authoring environment, they are taken to the Home screen, which displays a role-based welcome banner. Home also displays recent views, favorites, and the site's most-viewed content. As the server administrator, you can ...