实现 rake db:migrate 时出现以下错误
rake aborted!
Please install the postgresql adapter: `gem install activerecord-postgresql-adapter` (pg is not part of the bundle. Add it to Gemfile.)
我使用 postgresql 在数据库中创建了两个表。
我的 database.yml 是
development:
adapter: postgresql
encoding: unicode
host: localhost
database: shop_development
pool: 5
username: postgres
password:
test:
adapter: postgresql
encoding: unicode
host: localhost
database: shop_test
pool: 5
username: postgres
password:
production:
adapter: postgresql
encoding: unicode
host: localhost
database: shop_production
pool: 5
username: postgres
password:
我还运行了以下命令：
C:\Sites\shop>gem install 'pg'
Successfully installed pg-0.14.1-x86-mingw32
1 gem installed
Installing ri documentation for pg-0.14.1-x86-mingw32...
Installing RDoc documentation for pg-0.14.1-x86-mingw32...
但这仍然给我同样的错误。
我的 gemfile 有以下内容：
GEM
remote: https://rubygems.org/
specs:
actionmailer (3.2.11)
actionpack (= 3.2.11)
mail (~> 2.4.4)
actionpack (3.2.11)
activemodel (= 3.2.11)
activesupport (= 3.2.11)
builder (~> 3.0.0)
erubis (~> 2.7.0)
journey (~> 1.0.4)
rack (~> 1.4.0)
rack-cache (~> 1.2)
rack-test (~> 0.6.1)
sprockets (~> 2.2.1)
activemodel (3.2.11)
activesupport (= 3.2.11)
builder (~> 3.0.0)
activerecord (3.2.11)
activemodel (= 3.2.11)
activesupport (= 3.2.11)
arel (~> 3.0.2)
tzinfo (~> 0.3.29)
activeresource (3.2.11)
activemodel (= 3.2.11)
activesupport (= 3.2.11)
activesupport (3.2.11)
i18n (~> 0.6)
multi_json (~> 1.0)
arel (3.0.2)
builder (3.0.4)
coffee-rails (3.2.2)
coffee-script (>= 2.2.0)
railties (~> 3.2.0)
coffee-script (2.2.0)
coffee-script-source
execjs
coffee-script-source (1.4.0)
erubis (2.7.0)
execjs (1.4.0)
multi_json (~> 1.0)
hike (1.2.1)
i18n (0.6.1)
journey (1.0.4)
jquery-rails (2.2.1)
railties (>= 3.0, < 5.0)
thor (>= 0.14, < 2.0)
json (1.7.6)
mail (2.4.4)
i18n (>= 0.4.0)
mime-types (~> 1.16)
treetop (~> 1.4.8)
mime-types (1.21)
multi_json (1.5.0)
polyglot (0.3.3)
rack (1.4.5)
rack-cache (1.2)
rack (>= 0.4)
rack-ssl (1.3.3)
rack
rack-test (0.6.2)
rack (>= 1.0)
rails (3.2.11)
actionmailer (= 3.2.11)
actionpack (= 3.2.11)
activerecord (= 3.2.11)
activeresource (= 3.2.11)
activesupport (= 3.2.11)
bundler (~> 1.0)
railties (= 3.2.11)
railties (3.2.11)
actionpack (= 3.2.11)
activesupport (= 3.2.11)
rack-ssl (~> 1.3.2)
rake (>= 0.8.7)
rdoc (~> 3.4)
thor (>= 0.14.6, < 2.0)
rake (10.0.3)
rdoc (3.12.1)
json (~> 1.4)
sass (3.2.5)
sass-rails (3.2.6)
railties (~> 3.2.0)
sass (>= 3.1.10)
tilt (~> 1.3)
sprockets (2.2.2)
hike (~> 1.2)
multi_json (~> 1.0)
rack (~> 1.0)
tilt (~> 1.1, != 1.3.0)
sqlite3 (1.3.7-x86-mingw32)
thor (0.17.0)
tilt (1.3.3)
treetop (1.4.12)
polyglot
polyglot (>= 0.3.1)
tzinfo (0.3.35)
uglifier (1.3.0)
execjs (>= 0.3.0)
multi_json (~> 1.0, >= 1.0.2)
PLATFORMS
x86-mingw32
DEPENDENCIES
coffee-rails (~> 3.2.1)
jquery-rails
rails (= 3.2.11)
sass-rails (~> 3.2.3)
sqlite3
uglifier (>= 1.0.3)
我的 gemfile 有以下内容：-
source 'https://rubygems.org'
gem 'rails', '3.2.11'
# Bundle edge Rails instead:
# gem 'rails', :git => 'git://github.com/rails/rails.git'
# gem 'sqlite3'
gem 'pg'
# Gems used only for assets and not required
# in production environments by default.
group :assets do
gem 'sass-rails', '~> 3.2.3'
gem 'coffee-rails', '~> 3.2.1'
# See https://github.com/sstephenson/execjs#readme for more supported runtimes
# gem 'therubyracer', :platforms => :ruby
gem 'uglifier', '>= 1.0.3'
end
gem 'jquery-rails'
# To use ActiveModel has_secure_password
# gem 'bcrypt-ruby', '~> 3.0.0'
# To use Jbuilder templates for JSON
# gem 'jbuilder'
# Use unicorn as the app server
# gem 'unicorn'
# Deploy with Capistrano
# gem 'capistrano'
# To use debugger
# gem 'debugger'
我的捆绑安装显示以下内容：-
C:\Sites\shop>bundle install
Using rake (10.0.3)
Using i18n (0.6.1)
Using multi_json (1.5.0)
Using activesupport (3.2.11)
Using builder (3.0.4)
Using activemodel (3.2.11)
Using erubis (2.7.0)
Using journey (1.0.4)
Using rack (1.4.5)
Using rack-cache (1.2)
Using rack-test (0.6.2)
Using hike (1.2.1)
Using tilt (1.3.3)
Using sprockets (2.2.2)
Using actionpack (3.2.11)
Using mime-types (1.21)
Using polyglot (0.3.3)
Using treetop (1.4.12)
Using mail (2.4.4)
Using actionmailer (3.2.11)
Using arel (3.0.2)
Using tzinfo (0.3.35)
Using activerecord (3.2.11)
Using activeresource (3.2.11)
Using bundler (1.0.22)
Using coffee-script-source (1.4.0)
Using execjs (1.4.0)
Using coffee-script (2.2.0)
Using rack-ssl (1.3.3)
Using json (1.7.6)
Using rdoc (3.12.1)
Using thor (0.17.0)
Using railties (3.2.11)
Using coffee-rails (3.2.2)
Using jquery-rails (2.2.1)
Using pg (0.14.1)
Using rails (3.2.11)
Using sass (3.2.5)
Using sass-rails (3.2.6)
Using uglifier (1.3.0)
Your bundle is complete! Use `bundle show [gemname]` to see where a bundled gem
is installed.