Best Python code snippet using autotest_python
models.py
Source:models.py  
...295    def _add_select_ifnull(self, query_set, alias, non_null_value):296        select_sql = "IF(%s.id IS NOT NULL, '%s', NULL)" % (_quote_name(alias),297                                                            non_null_value)298        return self._add_custom_select(query_set, alias, select_sql)299    def _join_test_label_column(self, query_set, label_name, label_id):300        alias = 'test_label_' + label_name301        label_query = TestLabel.objects.filter(name=label_name)302        query_set = Test.objects.join_custom_field(query_set, label_query,303                                                   alias)304        query_set = self._add_select_ifnull(query_set, alias, label_name)305        return query_set306    def _join_test_label_columns(self, query_set, label_names):307        label_id_map = self._get_label_ids_from_names(label_names)308        for label_name in label_names:309            query_set = self._join_test_label_column(query_set, label_name,310                                                     label_id_map[label_name])311        return query_set312    def _join_test_attribute(self, query_set, attribute, alias=None,313                             extra_join_condition=None):314        """315        Join the given TestView QuerySet to TestAttribute.  The resulting query316        has an additional column for the given attribute named317        "attribute_<attribute name>".318        """319        if not alias:320            alias = 'test_attribute_' + attribute321        attribute_query = TestAttribute.objects.filter(attribute=attribute)322        if extra_join_condition:323            attribute_query = attribute_query.extra(...Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
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