PsqlAutocomplete
This gem introduces a mixin allowing you to run autocomplete queries with the PostgreSQL full text search
It runs a prefix autocomplete on one or multiple fields of your model
Installation
Add this line to your application's Gemfile:
gem 'psql_autocomplete'
And then execute:
$ bundle
Or install it yourself as:
$ gem install psql_autocomplete
Usage
# Query generation
class Contact < ActiveRecord::Base
extend PsqlAutocomplete
end
# > Contact.autocomplete_query('John', [:first_name, :last_name])
# => "to_tsvector('simple', coalesce(first_name,'') || ' ' || coalesce(last_name,'')) @@ to_tsquery('simple', 'John:*')"
# Actual search
class Contact < ActiveRecord::Base
extend PsqlAutocomplete
def self.autocomplete(query)
where(autocomplete_query(query, [:first_name, :last_name]))
end
end
# > Contact.autocomplete('Jules')
# => [#<Contact:0x0x007fd2be761220>, #<Contact:0x007fd2be760938>, ...]
Development
After checking out the repo, run bin/setup
to install dependencies. Then, run rake spec
to run the tests. You can also run bin/console
for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install
. To release a new version, update the version number in version.rb
, and then run bundle exec rake release
, which will create a git tag for the version, push git commits and tags, and push the .gem
file to rubygems.org.