dynamoid

https://github.com/veraticus/dynamoid

Ruby ORM for Amazon's DynamoDB

Gitlab::BackgroundMigration::CopyColumn#perform

table - The name of the table that contains the columns.
copy_from - The column containing the data to copy.
copy_to - The column to copy the data to.
start_id - The start ID of the range of rows to update.
end_id - The end ID of the range of rows to update.

Source | Google | Stack overflow

Edit

git clone [email protected]:veraticus/dynamoid.git
cd dynamoid
open

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Gitlab--BackgroundMigration--CopyColumn-perform-for-pr

# Commit to git

git add git commit -m "better docs for Gitlab::BackgroundMigration::CopyColumn#perform"

# 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--BackgroundMigration--CopyColumn-perform-for-pr

hub pull-request

# Celebrate!