willholley commented on a change in pull request #808: Add selector support for json indexes URL: https://github.com/apache/couchdb/pull/808#discussion_r138417153
########## File path: src/mango/test/16-index-selectors.py ########## @@ -0,0 +1,115 @@ +# Licensed under the Apache License, Version 2.0 (the "License"); you may not +# use this file except in compliance with the License. You may obtain a copy of +# the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations under +# the License. + +import copy +import mango +import unittest + +DOCS = [ + { + "_id": "100", + "name": "Jimi", + "location": "AUS", + "user_id": 1, + "same": "value" + }, + { + "_id": "200", + "name": "Eddie", + "location": "BRA", + "user_id": 2, + "same": "value" + }, + { + "_id": "300", + "name": "Harry", + "location": "CAN", + "user_id":3, + "same": "value" + }, + { + "_id": "400", + "name": "Eddie", + "location": "DEN", + "user_id":4, + "same": "value" + }, + { + "_id": "500", + "name": "Jones", + "location": "ETH", + "user_id":5, + "same": "value" + }, + { + "_id": "600", + "name": "Winnifried", + "location": "FRA", + "user_id":6, + "same": "value" + }, + { + "_id": "700", + "name": "Marilyn", + "location": "GHA", + "user_id":7, + "same": "value" + }, + { + "_id": "800", + "name": "Sandra", + "location": "ZAR", + "user_id":8, + "same": "value" + }, +] + +class IndexSelectorJson(mango.DbPerClass): + def setUp(self): + self.db.recreate() + self.db.save_docs(copy.deepcopy(DOCS)) + + def test_saves_selector_in_index(self): + selector = {"location": {"$gte": "FRA"}} + self.db.create_index(["location"], selector=selector) + indexes = self.db.list_indexes() + self.assertEqual(indexes[1]["def"]["selector"], selector) + + def test_uses_partial_index_for_query_selector(self): + selector = {"location": {"$gte": "FRA"}} + self.db.create_index(["location"], selector=selector, ddoc="Selected", name="Selected") + resp = self.db.find(selector, explain=True, use_index='Selected') + self.assertEqual(resp["index"]["name"], "Selected") + docs = self.db.find(selector) + self.assertEqual(len(docs), 3) + + def test_uses_partial_index_with_different_selector(self): + selector = {"location": {"$gte": "FRA"}} + selector2 = {"location": {"$gte": "A"}} + self.db.create_index(["location"], selector=selector, ddoc="Selected", name="Selected") + resp = self.db.find(selector2, explain=True, use_index='Selected') + self.assertEqual(resp["index"]["name"], "Selected") + docs = self.db.find(selector2, use_index='Selected') + self.assertEqual(len(docs), 3) + + def test_doesnot_use_selector_when_not_specified(self): + selector = {"location": {"$gte": "FRA"}} + self.db.create_index(["location"], selector=selector, ddoc="Selected", name="Selected") + resp = self.db.find(selector, explain=True) + self.assertEqual(resp["index"]["name"], "_all_docs") + + def test_doesnot_use_selector_when_not_specified_with_index(self): Review comment: I think we need to test that specifying an invalid partial index fails appropriately. This should follow the same rules as global indexes i.e. an index cannot be used if it does not map to the selector and sort order specified in the query. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
