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Creating a new environment in Rails

I am not an experienced Rails developer developing a Rails v2.3 application with MySQl v5.1.

I am not sure how to achieve the following:

I need to create:

1. A new environment (a new environment, in addition to development , production and test ) with the name of a special environment

2. The new database environment for the special environment created above, what I did is add the following to config / database.yml

special: adapter: mysql2 host: localhost username: database: special_db encoding: latin1

3. The rake task is to work in a special environment, and the code in the rake team deals only with a special one .

To achieve this, I know that I need to define some configurations, but I'm not sure:

  • What / How exactly you need to configure to create an environment

    (As you saw above, I defined only a special database in the database.yml file, but where and how to define and configure for the new enverionment?)

  • How to run rake task code in a special environment and work only with a special database in Rails. Can someone please

PS

I need to run everything in a grabbed task not from the command line. How to change the environment and how to check the changes?

-------------- A reason was found, but not sure if the solution is ---------------------

Well, I found the cause of this wired problem due to the mysql2 stone, which seems to be unable to load the new special environment, if I switch to using mysql gem, the problem will disappear. But this method should use mysql2 for some other reason. How to get rid of this mysql2 problem?

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2 answers

Try the following:

Copy config / environment / development.rb to config / environment / special.rb

Create a database using

  $ RAILS_ENV=special rake db:create $ RAILS_ENV=special rake db:migrate $ RAILS_ENV=special rails s
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Put this in your task:

 RAILS_ENV = 'special'
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Source: https://habr.com/ru/post/902370/

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