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ruby-on-rails - Postgresql - 无法创建角色

转载 作者:行者123 更新时间:2023-11-29 14:20:12 25 4
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你好,我正在尝试在 ruby​​ on rails 应用程序中创建一个数据库,但我遇到了这个错误

    FATAL:  role "giovanni" does not exist
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/postgresql_adapter.rb:661:in `rescue in connect'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/postgresql_adapter.rb:651:in `connect'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/postgresql_adapter.rb:242:in `initialize'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/postgresql_adapter.rb:44:in `new'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/postgresql_adapter.rb:44:in `postgresql_connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:436:in `new_connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:446:in `checkout_new_connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:422:in `acquire_connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:349:in `block in checkout'
/usr/lib/ruby/2.1.0/monitor.rb:211:in `mon_synchronize'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:348:in `checkout'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:263:in `block in connection'
/usr/lib/ruby/2.1.0/monitor.rb:211:in `mon_synchronize'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:262:in `connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:565:in `retrieve_connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_handling.rb:113:in `retrieve_connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_handling.rb:87:in `connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/postgresql_database_tasks.rb:8:in `connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/postgresql_database_tasks.rb:17:in `create'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/database_tasks.rb:93:in `create'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/database_tasks.rb:107:in `block in create_current'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/database_tasks.rb:275:in `block in each_current_configuration'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/database_tasks.rb:274:in `each'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/database_tasks.rb:274:in `each_current_configuration'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/database_tasks.rb:106:in `create_current'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/railties/databases.rake:17:in `block (2 levels) in <top (required)>'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/task.rb:240:in `call'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/task.rb:240:in `block in execute'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/task.rb:235:in `each'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/task.rb:235:in `execute'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/task.rb:179:in `block in invoke_with_call_chain'
/usr/lib/ruby/2.1.0/monitor.rb:211:in `mon_synchronize'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/task.rb:172:in `invoke_with_call_chain'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/task.rb:165:in `invoke'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:150:in `invoke_task'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:106:in `block (2 levels) in top_level'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:106:in `each'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:106:in `block in top_level'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:115:in `run_with_threads'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:100:in `top_level'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:78:in `block in run'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:176:in `standard_exception_handling'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:75:in `run'
/var/lib/gems/2.1.0/gems/rake-10.4.2/bin/rake:33:in `<top (required)>'
/usr/local/bin/rake:23:in `load'
/usr/local/bin/rake:23:in `<main>'
Couldn't create database for {"adapter"=>"postgresql", "encoding"=>"unicode", "pool"=>5, "database"=>"app_angular_rails_development"}
FATAL: role "giovanni" does not exist
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/postgresql_adapter.rb:661:in `rescue in connect'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/postgresql_adapter.rb:651:in `connect'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/postgresql_adapter.rb:242:in `initialize'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/postgresql_adapter.rb:44:in `new'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/postgresql_adapter.rb:44:in `postgresql_connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:436:in `new_connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:446:in `checkout_new_connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:422:in `acquire_connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:349:in `block in checkout'
/usr/lib/ruby/2.1.0/monitor.rb:211:in `mon_synchronize'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:348:in `checkout'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:263:in `block in connection'
/usr/lib/ruby/2.1.0/monitor.rb:211:in `mon_synchronize'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:262:in `connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_adapters/abstract/connection_pool.rb:565:in `retrieve_connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_handling.rb:113:in `retrieve_connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/connection_handling.rb:87:in `connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/postgresql_database_tasks.rb:8:in `connection'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/postgresql_database_tasks.rb:17:in `create'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/database_tasks.rb:93:in `create'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/database_tasks.rb:107:in `block in create_current'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/database_tasks.rb:275:in `block in each_current_configuration'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/database_tasks.rb:274:in `each'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/database_tasks.rb:274:in `each_current_configuration'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/tasks/database_tasks.rb:106:in `create_current'
/var/lib/gems/2.1.0/gems/activerecord-4.2.0/lib/active_record/railties/databases.rake:17:in `block (2 levels) in <top (required)>'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/task.rb:240:in `call'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/task.rb:240:in `block in execute'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/task.rb:235:in `each'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/task.rb:235:in `execute'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/task.rb:179:in `block in invoke_with_call_chain'
/usr/lib/ruby/2.1.0/monitor.rb:211:in `mon_synchronize'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/task.rb:172:in `invoke_with_call_chain'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/task.rb:165:in `invoke'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:150:in `invoke_task'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:106:in `block (2 levels) in top_level'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:106:in `each'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:106:in `block in top_level'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:115:in `run_with_threads'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:100:in `top_level'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:78:in `block in run'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:176:in `standard_exception_handling'
/var/lib/gems/2.1.0/gems/rake-10.4.2/lib/rake/application.rb:75:in `run'
/var/lib/gems/2.1.0/gems/rake-10.4.2/bin/rake:33:in `<top (required)>'
/usr/local/bin/rake:23:in `load'
/usr/local/bin/rake:23:in `<main>'
Couldn't create database for {"adapter"=>"postgresql", "encoding"=>"unicode", "pool"=>5, "database"=>"app_angular_rails_test"}

我的本​​地计算机中似乎没有名为“giovanni”的角色,所以我尝试通过登录 postgresql 控制台并插入创建一个用户的查询来创建一个角色:

sudo -u postgress -i
CREATE ROLE giovanni WITH PASSWORD 'password' CREATEDB LOGIN CREATEROLE CREATEUSER SUPERUSER;

但我收到这个错误:

ERROR: conflicting or redundant options

我尝试按照数据库的官方文档以其他方式重写此查询,但没有成功

最佳答案

您可以尝试使用 createuser 创建用户程序,它具有与 CREATE ROLE 相同的功能(实际上,它调用此命令)但可以从命令 shell 运行。

$ createuser giovanni
Shall the new role be a superuser? (y/n) y
Shall the new role be allowed to create databases? (y/n) y
Shall the new role be allowed to create more new roles? (y/n) y
CREATE USER

或使用命令行选项:

$ createuser -P -s -e giovanni
Enter password for new role: xyzzy
Enter it again: xyzzy
CREATE ROLE giovanni PASSWORD 'xyzzy' SUPERUSER CREATEDB CREATEROLE INHERIT LOGIN;
CREATE ROLE

关于ruby-on-rails - Postgresql - 无法创建角色,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31203380/

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