iloveivyxuan
/ arel.rb
Created
August 15, 2017 06:49
Define Area Nodes -- Add a contain operator to Arel Nodes
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| # app/config/initializers/arel.rb | |
| require 'arel/nodes/binary' | |
| require 'arel/predications' | |
| require 'arel/visitors/postgresql' | |
| module Arel | |
| class Nodes::ContainsArray < Arel::Nodes::Binary | |
| def operator | |
| :"@>" |
iloveivyxuan
/ ransack.rb
Created
August 15, 2017 06:56
An example of how to add a contain predicate to Arel
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| # app/config/initializers/ransack.rb | |
| Ransack.configure do |config| | |
| config.add_predicate 'contains', | |
| arel_predicate: 'contains', | |
| formatter: proc { |v| "{#{v}}" }, | |
| validator: proc { |v| v.present? }, | |
| type: :string | |
| end |