method
replace_from_clause?
rails latest stable - Class:
ActiveRecord::Relation::Merger
replace_from_clause?()private
No documentation available.
# File activerecord/lib/active_record/relation/merger.rb, line 188
def replace_from_clause?
relation.from_clause.empty? && !other.from_clause.empty? &&
relation.klass.base_class == other.klass.base_class
end