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我試圖轉儲我的遠程數據庫的結構使用耙的rake db:structure:dump，但每當我運行該命令它忽略用戶在我的database.yml文件並使用用戶在我登錄的本地機器上。Rails：Postgres +耙分貝：結構：轉儲使用錯誤的用戶
的database.yml：
development: &DEFAULT
adapter: postgresql
host: remoteaddress.com
port: 5432
user: myusername
password: mypassword
database: mydatabase
這是當我運行該命令會發生什麼：
[~/src/myapp]$ RAILS_ENV=development rbbe rake db:structure:dump --trace ✭ git:em-redshift ruby:2.2.0
** Invoke db:structure:dump (first_time)
** Invoke environment (first_time)
** Execute environment
** Invoke db:load_config (first_time)
** Execute db:load_config
** Execute db:structure:dump
pg_dump: [archiver (db)] connection to database "mydatabase" failed: FATAL: password authentication failed for user "emai"
FATAL: password authentication failed for user "emai"
rake aborted!
Error dumping database
/opt/rubies/2.2.0/lib/ruby/gems/2.2.0/gems/activerecord-4.2.0/lib/active_record/tasks/postgresql_database_tasks.rb:55:in `structure_dump'
/opt/rubies/2.2.0/lib/ruby/gems/2.2.0/gems/activerecord-4.2.0/lib/active_record/tasks/database_tasks.rb:182:in `structure_dump'
/opt/rubies/2.2.0/lib/ruby/gems/2.2.0/gems/activerecord-4.2.0/lib/active_record/railties/databases.rake:276:in `block (3 levels) in <top (required)>'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/task.rb:240:in `call'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/task.rb:240:in `block in execute'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/task.rb:235:in `each'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/task.rb:235:in `execute'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/task.rb:179:in `block in invoke_with_call_chain'
/opt/rubies/2.2.0/lib/ruby/2.2.0/monitor.rb:211:in `mon_synchronize'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/task.rb:172:in `invoke_with_call_chain'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/task.rb:165:in `invoke'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/application.rb:150:in `invoke_task'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/application.rb:106:in `block (2 levels) in top_level'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/application.rb:106:in `each'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/application.rb:106:in `block in top_level'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/application.rb:115:in `run_with_threads'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/application.rb:100:in `top_level'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/application.rb:78:in `block in run'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/application.rb:176:in `standard_exception_handling'
/opt/rubies/2.2.0/lib/ruby/2.2.0/rake/application.rb:75:in `run'
/opt/boxen/rbenv/versions/2.2.0/bin/rake:33:in `<main>'
Tasks: TOP => db:structure:dump
正如你所看到的，它不使用myusername的用戶。相反，它運行它作爲我的本地用戶（emai）。到底是怎麼回事？
P.S.我知道db配置也可以，因爲我進入rails控制檯並查詢記錄並獲得結果。此外，rake db:schema:dump不會發生認證錯誤。