Correctly return `associated_table` when `associated_with?` is true

`AssociationQueryHandler` requires `association` initialized
`TableMetadata` even if `table_name == arel_table.name`.

Fixes #25689.

1 files changed, 3 insertions, 3 deletions

diff --git a/activerecord/lib/active_record/table_metadata.rb b/activerecord/lib/active_record/table_metadata.rb
index a1326aa359..5fe0d8b5e4 100644
--- a/activerecord/lib/active_record/table_metadata.rb
+++ b/activerecord/lib/active_record/table_metadata.rb
@@ -42,11 +42,11 @@ module ActiveRecord
     end
 
     def associated_table(table_name)
-      return self if table_name == arel_table.name
-
       association = klass._reflect_on_association(table_name) || klass._reflect_on_association(table_name.singularize)
 
-      if association && !association.polymorphic?
+      if !association && table_name == arel_table.name
+        return self
+      elsif association && !association.polymorphic?
         association_klass = association.klass
         arel_table = association_klass.arel_table.alias(table_name)
       else