pg_dump - 权限被拒绝（db：structure：dump）

Question

我在获取db：structure：dump工作时遇到问题。

我和收到此错误：

C:\Sites\care>rake db:structure:dump --trace 
Creating scope :search. Overwriting existing method PgSearch::Document.search. 
** Invoke db:structure:dump (first_time) 
** Invoke environment (first_time) 
** Execute environment 
** Execute db:structure:dump 
rake aborted! 
Permission denied - pg_dump -i -s -x -O -f C:/Sites/care/db/structure.sql care_development 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-3.2.1/lib/active_support/core_ext/kernel/agnostics.rb:7:in ``' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activesupport-3.2.1/lib/active_support/core_ext/kernel/agnostics.rb:7:in ``' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/activerecord-3.2.1/lib/active_record/railties/databases.rake:389:in `block (3 levels) in <top (required)>' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `call' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `block in execute' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `each' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `execute' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:158:in `block in invoke_with_call_chain' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/monitor.rb:211:in `mon_synchronize' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:151:in `invoke_with_call_chain' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:144:in `invoke' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:116:in `invoke_task' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block (2 levels) in top_level' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `each' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block in top_level' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:88:in `top_level' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:66:in `block in run' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:63:in `run' 
C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/rake-0.9.2.2/bin/rake:33:in `<top (required)>' 
C:/RailsInstaller/Ruby1.9.3/bin/rake:19:in `load' 
C:/RailsInstaller/Ruby1.9.3/bin/rake:19:in `<main>' 
Tasks: TOP => db:structure:dump 

如果我运行它像这样在CMD，它的工作原理：

cd C:\Program Files (x86)\PostgreSQL\9.1\bin 
pg_dump.exe -i -s -x -O -f C:/Sites/care/db/structure.sql care_development 

我试图改变双方的pg_dump.exe文件夹的权限/文件和rails文件夹/文件。但似乎没有任何不同。试图为用户，系统甚至每个人添加完整的权限。

我也尝试在pg_dump调用中添加--username params（在rake代码中），并在pgAdminIII中添加匹配我windows用户的登录角色。

（我在Windows 7中，Rails 3的和PostgreSQL 9）

不要任何人知道这个问题可能是什么？

Answer 1

我有同样的问题，我的Linux机器上： 然后我用下面的命令，使其运行：

su 

>> I logged in first with my Admin user 

su -postgres 

保存我的.sql文件在我的文件夹/tmp

，倾倒.sql文件在数据库中运行命令

psql -u postgres -d my_db_name -a -f /tmp/path_to_sql_file 

它对我很有效。希望它可以帮助你。