diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb index f5da19f0f6..ca8bbc14da 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -516,8 +516,8 @@ module ActiveRecord sql = +"INSERT #{insert.into} #{insert.values_list}" if insert.skip_duplicates? - any_column = quote_column_name(insert.model.columns.first.name) - sql << " ON DUPLICATE KEY UPDATE #{any_column}=#{any_column}" + no_op_column = quote_column_name(insert.keys.first) + sql << " ON DUPLICATE KEY UPDATE #{no_op_column}=#{no_op_column}" elsif insert.update_duplicates? sql << " ON DUPLICATE KEY UPDATE " sql << insert.updatable_columns.map { |column| "#{column}=VALUES(#{column})" }.join(",") |