# File lib/active_record/connection_adapters/postgresql_adapter.rb, line 670 def sql_for_insert(sql, pk, id_value, sequence_name, binds) unless pk # Extract the table from the insert sql. Yuck. table_ref = extract_table_ref_from_insert_sql(sql) pk = primary_key(table_ref) if table_ref end sql = "#{sql} RETURNING #{quote_column_name(pk)}" if pk [sql, binds] end