method

and

v7.1.3.2 - Show latest stable - Class: ActiveRecord::QueryMethods

and(other)

public

Returns a new relation, which is the logical intersection of this relation and the one passed as an argument.

The two relations must be structurally compatible: they must be scoping the same model, and they must differ only by #where (if no #group has been defined) or #having (if a #group is present).

Post.where(id: [1, 2]).and(Post.where(id: [2, 3]))
# SELECT `posts`.* FROM `posts` WHERE `posts`.`id` IN (1, 2) AND `posts`.`id` IN (2, 3)

# File activerecord/lib/active_record/relation/query_methods.rb, line 1034
    def and(other)
      if other.is_a?(Relation)
        spawn.and!(other)
      else
        raise ArgumentError, "You have passed #{other.class.name} object to #and. Pass an ActiveRecord::Relation object instead."
      end
    end

and

Related methods