pg_search

https://github.com/casecommons/pg_search

Ruby

pg_search builds ActiveRecord named scopes that take advantage of PostgreSQL’s full text search

Gitlab::Database.create_connection_pool

pool_size - The size of the DB pool.
host - An optional host name to use instead of the default one.

Source | Google | Stack overflow

Edit

git clone [email protected]:casecommons/pg_search.git
cd pg_search
open

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-Gitlab--Database-create_connection_pool-for-pr

# Commit to git
git add git commit -m "better docs for Gitlab::Database.create_connection_pool"

# 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-create_connection_pool-for-pr
hub pull-request

# Celebrate!