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Add selector support for json indexes (#808)
* Add selector support for json indexes Adds selector support to json indexes. The selector can be used to filter what documents are added to the index. When executing a query the index will only be used if the index is specified in the use_index field.
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| # 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, use_index='Selected') | ||
| 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": {"$gte": "FRA"}} | ||
| self.db.create_index(["location"], selector=selector, ddoc="Selected", name="Selected") | ||
| resp = self.db.find(selector, explain=True) | ||
| self.assertEqual(resp["index"]["name"], "_all_docs") | ||
|
|
||
| def test_doesnot_use_selector_when_not_specified_with_index(self): | ||
| selector = {"location": {"$gte": "FRA"}} | ||
| self.db.create_index(["location"], selector=selector, ddoc="Selected", name="Selected") | ||
| self.db.create_index(["location"], name="NotSelected") | ||
| resp = self.db.find(selector, explain=True) | ||
| self.assertEqual(resp["index"]["name"], "NotSelected") | ||
|
|
||
| @unittest.skipUnless(mango.has_text_service(), "requires text service") | ||
| def test_text_saves_selector_in_index(self): | ||
| selector = {"location": {"$gte": "FRA"}} | ||
| self.db.create_text_index(fields=[{"name":"location", "type":"string"}], selector=selector) | ||
| indexes = self.db.list_indexes() | ||
| self.assertEqual(indexes[1]["def"]["selector"], selector) | ||
|
|
||
| @unittest.skipUnless(mango.has_text_service(), "requires text service") | ||
| def test_text_uses_partial_index_for_query_selector(self): | ||
| selector = {"location": {"$gte": "FRA"}} | ||
| self.db.create_text_index(fields=[{"name":"location", "type":"string"}], 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, use_index='Selected', fields=['_id', 'location']) | ||
| self.assertEqual(len(docs), 3) | ||
|
|
||
| @unittest.skipUnless(mango.has_text_service(), "requires text service") | ||
| def test_text_uses_partial_index_with_different_selector(self): | ||
| selector = {"location": {"$gte": "FRA"}} | ||
| selector2 = {"location": {"$gte": "A"}} | ||
| self.db.create_text_index(fields=[{"name":"location", "type":"string"}], 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) | ||
|
|
||
| @unittest.skipUnless(mango.has_text_service(), "requires text service") | ||
| def test_text_doesnot_use_selector_when_not_specified(self): | ||
| selector = {"location": {"$gte": "FRA"}} | ||
| self.db.create_text_index(fields=[{"name":"location", "type":"string"}], selector=selector, ddoc="Selected", name="Selected") | ||
| resp = self.db.find(selector, explain=True) | ||
| self.assertEqual(resp["index"]["name"], "_all_docs") | ||
|
|
||
| @unittest.skipUnless(mango.has_text_service(), "requires text service") | ||
| def test_text_doesnot_use_selector_when_not_specified_with_index(self): | ||
| selector = {"location": {"$gte": "FRA"}} | ||
| self.db.create_text_index(fields=[{"name":"location", "type":"string"}], selector=selector, ddoc="Selected", name="Selected") | ||
| self.db.create_text_index(fields=[{"name":"location", "type":"string"}], name="NotSelected") | ||
| resp = self.db.find(selector, explain=True) | ||
| self.assertEqual(resp["index"]["name"], "NotSelected") |
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