instance method `structurally_compatible?`

Ruby on Rails 7.0.10

Since v7.0.10

Available in: v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

structurally_compatible?(other)

Checks whether the given relation is structurally compatible with this relation, to determine if it’s possible to use the #and and #or methods without raising an error. Structurally compatible is defined as: 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").structurally_compatible?(Post.where("author_id = 3"))
# => true

Post.joins(:comments).structurally_compatible?(Post.where("id = 1"))
# => false

Parameters

other req

Source

# File activerecord/lib/active_record/relation/query_methods.rb, line 849
    def structurally_compatible?(other)
      structurally_incompatible_values_for(other).empty?
    end

Defined in activerecord/lib/active_record/relation/query_methods.rb line 849 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::QueryMethods

Signature

Parameters