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-rw-r--r--activerecord/lib/active_record/attribute_methods/primary_key.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/primary_key.rb b/activerecord/lib/active_record/attribute_methods/primary_key.rb
index 0857b02c8e..310f1b6e75 100644
--- a/activerecord/lib/active_record/attribute_methods/primary_key.rb
+++ b/activerecord/lib/active_record/attribute_methods/primary_key.rb
@@ -76,7 +76,7 @@ module ActiveRecord
end
def get_primary_key(base_name) #:nodoc:
- return 'id' unless base_name && !base_name.blank?
+ return 'id' if base_name.blank?
case primary_key_prefix_type
when :table_name