rails_admin

https://github.com/railsadminteam/rails_admin

Ruby

RailsAdmin is a Rails engine that provides an easy-to-use interface for managing your data

Gitlab::Database::MigrationHelpers#cleanup_concurrent_column_rename

Cleans up a concurrent column name.

This method takes care of removing previously installed triggers as well
as removing the old column.

table - The name of the database table.
old - The name of the old column.
new - The name of the new column.

Source | Google | Stack overflow

Edit

git clone [email protected]:railsadminteam/rails_admin.git
cd rails_admin
open

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Gitlab--Database--MigrationHelpers-cleanup_concurrent_column_rename-for-pr

# Commit to git

git add git commit -m "better docs for Gitlab::Database::MigrationHelpers#cleanup_concurrent_column_rename"

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-Gitlab--Database--MigrationHelpers-cleanup_concurrent_column_rename-for-pr

hub pull-request

# Celebrate!