pg_search

https://github.com/casecommons/pg_search

Ruby

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

Issuable::ClassMethods#grouping_columns

Includes table keys in group by clause when sorting
preventing errors in postgres

Returns an array of arel columns

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-Issuable--ClassMethods-grouping_columns-for-pr

# Commit to git
git add git commit -m "better docs for Issuable::ClassMethods#grouping_columns"

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-Issuable--ClassMethods-grouping_columns-for-pr
hub pull-request

# Celebrate!