Merge pull request #30126 from chopraanmol1/support_for_has_many_and_has_one_for_where_relation

Fixed query building when relation is passed for has one or has many association in where

activerecord/lib/active_record/reflection.rb

@@ -305,13 +305,17 @@ module ActiveRecord
       end
 
       def get_join_keys(association_klass)
-        JoinKeys.new(join_pk(association_klass), join_fk)
+        JoinKeys.new(join_pk(association_klass), join_foreign_key)
       end
 
       def build_scope(table, predicate_builder = predicate_builder(table))
         Relation.create(klass, table, predicate_builder)
       end
 
+      def join_foreign_key
+        active_record_primary_key
+      end
+
       protected
         def actual_source_reflection # FIXME: this is a horrible name
           self
@@ -325,10 +329,6 @@ module ActiveRecord
         def join_pk(_)
           foreign_key
         end
-
-        def join_fk
-          active_record_primary_key
-        end
     end
 
     # Base class for AggregateReflection and AssociationReflection. Objects of
@@ -754,16 +754,16 @@ module ActiveRecord
         owner[foreign_key]
       end
 
+      def join_foreign_key
+        foreign_key
+      end
+
       private
 
         def calculate_constructable(macro, options)
           !polymorphic?
         end
 
-        def join_fk
-          foreign_key
-        end
-
         def join_pk(klass)
           polymorphic? ? association_primary_key(klass) : association_primary_key
         end

activerecord/lib/active_record/relation/predicate_builder/association_query_value.rb

@@ -9,7 +9,7 @@ module ActiveRecord
       end
 
       def queries
-        [associated_table.association_foreign_key.to_s => ids]
+        [associated_table.association_join_foreign_key.to_s => ids]
       end
 
       # TODO Change this to private once we've dropped Ruby 2.2 support.
@@ -30,7 +30,7 @@ module ActiveRecord
         end
 
         def primary_key
-          associated_table.association_primary_key
+          associated_table.association_join_keys.key
         end
 
         def convert_to_id(value)

activerecord/lib/active_record/table_metadata.rb

@@ -2,7 +2,7 @@
 
 module ActiveRecord
   class TableMetadata # :nodoc:
-    delegate :foreign_type, :foreign_key, to: :association, prefix: true
+    delegate :foreign_type, :foreign_key, :join_keys, :join_foreign_key, to: :association, prefix: true
     delegate :association_primary_key, to: :association
 
     def initialize(klass, arel_table, association = nil)

activerecord/test/cases/relation/where_test.rb

@@ -295,6 +295,20 @@ module ActiveRecord
       assert_equal essays(:david_modest_proposal), essay
     end
 
+    def test_where_with_relation_on_has_many_association
+      essay = essays(:david_modest_proposal)
+      author = Author.where(essays: Essay.where(id: essay.id)).first
+
+      assert_equal authors(:david), author
+    end
+
+    def test_where_with_relation_on_has_one_association
+      author = authors(:david)
+      author_address = AuthorAddress.where(author: Author.where(id: author.id)).first
+      assert_equal author_addresses(:david_address), author_address
+    end
+
+
     def test_where_on_association_with_select_relation
       essay = Essay.where(author: Author.where(name: "David").select(:name)).take
       assert_equal essays(:david_modest_proposal), essay