def sql_for_columns(self, data, qn, connection):
        table_alias, name, db_type = data
        if table_alias:
            lhs = '%s.%s' % (qn(table_alias), qn(name))
        else:
            lhs = qn(name)
        return connection.ops.field_cast_sql(db_type) % lhs
Test if it delete a user
dataset/ETHPy150Open daoluan/decode-Django/Django-1.5.1/django/db/models/sql/where.py/WhereNode.sql_for_columns--crossover with--dataset/ETHPy150Open saltstack/salt/tests/unit/modules/ilo_test.py/IloTestCase.test_delete_user