How to use _join_machine_label_columns method in autotest

Best Python code snippet using autotest_python Github


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...325 query_set = Test.objects.join_custom_field(query_set, attribute_query,326 alias)327 query_set = self._add_select_value(query_set, alias)328 return query_set329 def _join_machine_label_columns(self, query_set, machine_label_names):330 for label_name in machine_label_names:331 alias = 'machine_label_' + label_name332 condition = "FIND_IN_SET('%s', %s)" % (333 label_name, _quote_name(alias) + '.value')334 query_set = self._join_test_attribute(335 query_set, 'host-labels',336 alias=alias, extra_join_condition=condition)337 query_set = self._add_select_ifnull(query_set, alias, label_name)338 return query_set339 def _join_one_iteration_key(self, query_set, result_key, first_alias=None):340 alias = 'iteration_result_' + result_key341 iteration_query = IterationResult.objects.filter(attribute=result_key)342 if first_alias:343 # after the first join, we need to match up iteration indices,344 # otherwise each join will expand the query by the number of345 # iterations and we'll have extraneous rows346 iteration_query = iteration_query.extra(347 where=['%s.iteration = %s.iteration'348 % (_quote_name(alias), _quote_name(first_alias))])349 query_set = Test.objects.join_custom_field(query_set, iteration_query,350 alias, left_join=False)351 # select the iteration value and index for this join352 query_set = self._add_select_value(query_set, alias)353 if not first_alias:354 # for first join, add iteration index select too355 query_set = self._add_custom_select(356 query_set, 'iteration_index',357 _quote_name(alias) + '.iteration')358 return query_set, alias359 def _join_iteration_results(self, test_view_query_set, result_keys):360 """Join the given TestView QuerySet to IterationResult for one result.361 The resulting query looks like a TestView query but has one row per362 iteration. Each row includes all the attributes of TestView, an363 attribute for each key in result_keys and an iteration_index attribute.364 We accomplish this by joining the TestView query to IterationResult365 once per result key. Each join is restricted on the result key (and on366 the test index, like all one-to-many joins). For the first join, this367 is the only restriction, so each TestView row expands to a row per368 iteration (per iteration that includes the key, of course). For each369 subsequent join, we also restrict the iteration index to match that of370 the initial join. This makes each subsequent join produce exactly one371 result row for each input row. (This assumes each iteration contains372 the same set of keys. Results are undefined if that's not true.)373 """374 if not result_keys:375 return test_view_query_set376 query_set, first_alias = self._join_one_iteration_key(377 test_view_query_set, result_keys[0])378 for result_key in result_keys[1:]:379 query_set, _ = self._join_one_iteration_key(query_set, result_key,380 first_alias=first_alias)381 return query_set382 def _join_job_keyvals(self, query_set, job_keyvals):383 for job_keyval in job_keyvals:384 alias = 'job_keyval_' + job_keyval385 keyval_query = JobKeyval.objects.filter(key=job_keyval)386 query_set = Job.objects.join_custom_field(query_set, keyval_query,387 alias)388 query_set = self._add_select_value(query_set, alias)389 return query_set390 def _join_iteration_attributes(self, query_set, iteration_attributes):391 for attribute in iteration_attributes:392 alias = 'iteration_attribute_' + attribute393 attribute_query = IterationAttribute.objects.filter(394 attribute=attribute)395 query_set = Test.objects.join_custom_field(query_set,396 attribute_query, alias)397 query_set = self._add_select_value(query_set, alias)398 return query_set399 def get_query_set_with_joins(self, filter_data):400 """Add joins for querying over test-related items.401 These parameters are supported going forward:402 * test_attribute_fields: list of attribute names. Each attribute will403 be available as a column attribute_<name>.value.404 * test_label_fields: list of label names. Each label will be available405 as a column label_<name>.id, non-null iff the label is present.406 * iteration_result_fields: list of iteration result names. Each407 result will be available as a column iteration_<name>.value.408 Note that this changes the semantics to return iterations409 instead of tests -- if a test has multiple iterations, a row410 will be returned for each one. The iteration index is also411 available as iteration_<name>.iteration.412 * machine_label_fields: list of machine label names. Each will be413 available as a column machine_label_<name>.id, non-null iff the414 label is present on the machine used in the test.415 * job_keyval_fields: list of job keyval names. Each value will be416 available as a column job_keyval_<name>.id, non-null iff the417 keyval is present in the AFE job.418 * iteration_attribute_fields: list of iteration attribute names. Each419 attribute will be available as a column420 iteration_attribute<name>.id, non-null iff the attribute is421 present.422 These parameters are deprecated:423 * include_labels424 * exclude_labels425 * include_attributes_where426 * exclude_attributes_where427 Additionally, this method adds joins if the following strings are428 present in extra_where (this is also deprecated):429 * test_labels430 * test_attributes_host_labels431 @param filter_data: Data by which to filter.432 @return A QuerySet.433 """434 query_set = self.get_query_set()435 test_attributes = filter_data.pop('test_attribute_fields', [])436 for attribute in test_attributes:437 query_set = self._join_test_attribute(query_set, attribute)438 test_labels = filter_data.pop('test_label_fields', [])439 query_set = self._join_test_label_columns(query_set, test_labels)440 machine_labels = filter_data.pop('machine_label_fields', [])441 query_set = self._join_machine_label_columns(query_set, machine_labels)442 iteration_keys = filter_data.pop('iteration_result_fields', [])443 query_set = self._join_iteration_results(query_set, iteration_keys)444 job_keyvals = filter_data.pop('job_keyval_fields', [])445 query_set = self._join_job_keyvals(query_set, job_keyvals)446 iteration_attributes = filter_data.pop('iteration_attribute_fields', [])447 query_set = self._join_iteration_attributes(query_set,448 iteration_attributes)449 # everything that follows is deprecated behavior450 joined = False451 extra_where = filter_data.get('extra_where', '')452 if 'tko_test_labels' in extra_where:453 query_set = self._add_label_joins(query_set)454 joined = True455 include_labels = filter_data.pop('include_labels', [])...

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