How to use _join_test_label_column method in autotest

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(...

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