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-rw-r--r--activerecord/lib/active_record/association_preload.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/association_preload.rb b/activerecord/lib/active_record/association_preload.rb
index 64888f9110..c7594809b7 100644
--- a/activerecord/lib/active_record/association_preload.rb
+++ b/activerecord/lib/active_record/association_preload.rb
@@ -252,7 +252,7 @@ module ActiveRecord
table_name = reflection.klass.quoted_table_name
if interface = reflection.options[:as]
- conditions = "#{reflection.klass.quoted_table_name}.#{connection.quote_column_name "#{interface}_id"} IN (?) and #{reflection.klass.quoted_table_name}.#{connection.quote_column_name "#{interface}_type"} = '#{self.base_class.name.demodulize}'"
+ conditions = "#{reflection.klass.quoted_table_name}.#{connection.quote_column_name "#{interface}_id"} IN (?) and #{reflection.klass.quoted_table_name}.#{connection.quote_column_name "#{interface}_type"} = '#{self.base_class.sti_name}'"
else
foreign_key = reflection.primary_key_name
conditions = "#{reflection.klass.quoted_table_name}.#{foreign_key} IN (?)"