pg 1.0.0 gem and Rails/bundler

[martin.s...@gmail.com]

I bumped pg to 1.0.0 in my Gemfile. But rake now yields an error that the gem is not loaded. The error is below. Is there a version for pg < 1.0.0 embedded somewhere in AR? 

Specified 'postgresql' for database adapter, but the gem is not loaded. Add `gem 'pg'` to your Gemfile (and ensure its version is at the minimum required by ActiveRecord).

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/activerecord-4.2.10/lib/active_record/connection_adapters/connection_specification.rb:177:in `rescue in spec'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/activerecord-4.2.10/lib/active_record/connection_adapters/connection_specification.rb:174:in `spec'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/activerecord-4.2.10/lib/active_record/connection_handling.rb:50:in `establish_connection'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/activerecord-4.2.10/lib/active_record/tasks/postgresql_database_tasks.rb:6:in `establish_connection'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/activerecord-4.2.10/lib/active_record/tasks/postgresql_database_tasks.rb:76:in `establish_master_connection'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/activerecord-4.2.10/lib/active_record/tasks/postgresql_database_tasks.rb:27:in `drop'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/activerecord-4.2.10/lib/active_record/tasks/database_tasks.rb:114:in `drop'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/activerecord-4.2.10/lib/active_record/tasks/database_tasks.rb:128:in `block in drop_current'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/activerecord-4.2.10/lib/active_record/tasks/database_tasks.rb:278:in `block in each_current_configuration'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/activerecord-4.2.10/lib/active_record/tasks/database_tasks.rb:277:in `each'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/activerecord-4.2.10/lib/active_record/tasks/database_tasks.rb:277:in `each_current_configuration'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/activerecord-4.2.10/lib/active_record/tasks/database_tasks.rb:127:in `drop_current'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/activerecord-4.2.10/lib/active_record/railties/databases.rake:28:in `block (2 levels) in <main>'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/lib/rake/task.rb:251:in `block in execute'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/lib/rake/task.rb:251:in `each'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/lib/rake/task.rb:251:in `execute'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/lib/rake/task.rb:195:in `block in invoke_with_call_chain'

/Users/strike/.rvm/rubies/ruby-2.4.2/lib/ruby/2.4.0/monitor.rb:214:in `mon_synchronize'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/lib/rake/task.rb:188:in `invoke_with_call_chain'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/lib/rake/task.rb:181:in `invoke'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/lib/rake/application.rb:160:in `invoke_task'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/lib/rake/application.rb:116:in `block (2 levels) in top_level'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/lib/rake/application.rb:116:in `each'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/lib/rake/application.rb:116:in `block in top_level'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/lib/rake/application.rb:125:in `run_with_threads'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/lib/rake/application.rb:110:in `top_level'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/lib/rake/application.rb:83:in `block in run'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/lib/rake/application.rb:186:in `standard_exception_handling'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/lib/rake/application.rb:80:in `run'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/gems/rake-12.3.0/exe/rake:27:in `<top (required)>'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/bin/rake:23:in `load'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/bin/rake:23:in `<main>'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/bin/ruby_executable_hooks:15:in `eval'

/Users/strike/.rvm/gems/ruby-2.4.2@duke_prompt/bin/ruby_executable_hooks:15:in `<main>'

Couldn't drop prompt_development

[Lars Kanis]

rails before 5.2 is not compatible with pg-1.0. See also https://github.com/rails/rails/pull/31671

--

Regards

Lars

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[Martin Streicher]

Thank you. That answers my question. 

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