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Contents
module JSONAPI
module ActiveRelation
module Adapters
module JoinLeftActiveRecordAdapter
# Extends left_joins functionality to rails 4, and uses the same logic for rails 5.0.x and 5.1.x
# The default left_joins logic of rails 5.2.x is used. This results in and extra join in some cases. For
# example Post.joins(:comments).joins_left(comments: :author) will join the comments table twice,
# once inner and once left in 5.2, but only as inner in earlier versions.
def joins_left(*columns)
if Rails::VERSION::MAJOR >= 6 || (Rails::VERSION::MAJOR >= 5 && ActiveRecord::VERSION::MINOR >= 2)
left_joins(columns)
else
join_dependency = ActiveRecord::Associations::JoinDependency.new(self, columns, [])
joins(join_dependency)
end
end
alias_method :join_left, :joins_left
end
if defined?(ActiveRecord)
ActiveRecord::Base.extend JoinLeftActiveRecordAdapter
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems