ActiveRecord Arel or chain

Parameters: {"query"=>{"searchable_columns"=>["id", "name", "content", "test_1"], "search"=>"w"}}

x = []
query[:searchable_columns].each do |column|
  x << Widget.arel_table[column.to_sym].matches("%#{query[:search]}%")
end
@widgets = Widget.where(x.inject(&:or))


  Widget Load (2.5ms)  SELECT "widgets".* FROM "widgets" WHERE (((("widgets"."id" LIKE 0 OR "widgets"."name" LIKE '%w%') OR "widgets"."content" LIKE '%w%') OR "widgets"."test_1" LIKE '%w%'))