| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| package org.apache.drill.exec.store.mongo; |
| |
| import static org.apache.drill.test.TestBuilder.listOf; |
| import static org.apache.drill.test.TestBuilder.mapOf; |
| |
| import org.apache.drill.categories.MongoStorageTest; |
| import org.apache.drill.categories.SlowTest; |
| import org.apache.drill.exec.ExecConstants; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category({SlowTest.class, MongoStorageTest.class}) |
| public class TestMongoProjectPushDown extends MongoTestBase { |
| |
| @Test |
| public void testComplexProjectPushdown() throws Exception { |
| |
| queryBuilder() |
| .sql("select t.field_4.inner_3 as col_1, t.field_4 as col_2 from mongo.employee.schema_change t") |
| .planMatcher() |
| .include("MongoGroupScan.*\"\\$project\": \\{\"col_1\": \"\\$field_4.inner_3\", \"col_2\": \"\\$field_4\"\\}") |
| .match(); |
| |
| try { |
| testBuilder() |
| .sqlQuery("select t.field_4.inner_3 as col_1, t.field_4 as col_2 from mongo.employee.schema_change t") |
| .unOrdered() |
| .optionSettingQueriesForTestQuery(String.format("alter session set `%s` = true", ExecConstants.MONGO_READER_READ_NUMBERS_AS_DOUBLE)) |
| .baselineColumns("col_1", "col_2") |
| .baselineValues( |
| mapOf(), |
| mapOf( |
| "inner_1", listOf(), |
| "inner_3", mapOf())) |
| .baselineValues( |
| mapOf("inner_object_field_1", 2.0), |
| mapOf( |
| "inner_1", listOf(1.0, 2.0, 3.0), |
| "inner_2", 3.0, |
| "inner_3", mapOf("inner_object_field_1", 2.0))) |
| .baselineValues( |
| mapOf(), |
| mapOf( |
| "inner_1", listOf(4.0, 5.0, 6.0), |
| "inner_2", 3.0, |
| "inner_3", mapOf())) |
| .go(); |
| } finally { |
| run("alter session set `%s` = false", ExecConstants.MONGO_READER_READ_NUMBERS_AS_DOUBLE); |
| } |
| } |
| |
| @Test |
| public void testSingleColumnProject() throws Exception { |
| String query = String.format(TEST_QUERY_PROJECT_PUSH_DOWN_TEMPLATE_1, EMPLOYEE_DB, EMPINFO_COLLECTION); |
| |
| testBuilder() |
| .sqlQuery(query) |
| .unOrdered() |
| .baselineColumns("employee_id") |
| .expectsNumRecords(19) |
| .go(); |
| } |
| |
| @Test |
| public void testMultipleColumnsProject() throws Exception { |
| String query = String.format(TEST_QUERY_PROJECT_PUSH_DOWN__TEMPLATE_2, EMPLOYEE_DB, EMPINFO_COLLECTION); |
| |
| testBuilder() |
| .sqlQuery(query) |
| .unOrdered() |
| .baselineColumns("employee_id", "rating") |
| .expectsNumRecords(19) |
| .go(); |
| } |
| |
| @Test |
| public void testStarProject() throws Exception { |
| String query = String.format(TEST_QUERY_PROJECT_PUSH_DOWN__TEMPLATE_3, EMPLOYEE_DB, EMPINFO_COLLECTION); |
| testBuilder() |
| .sqlQuery(query) |
| .unOrdered() |
| .expectsNumRecords(19) |
| .go(); |
| } |
| |
| @Test // DRILL-8190 |
| public void testProjectWithJoin() throws Exception { |
| String query = "SELECT sum(s1.sales) s1_sales,\n" + |
| "sum(s2.sales) s2_sales\n" + |
| "FROM mongo.%s.`%s` s1\n" + |
| "JOIN mongo.%s.`%s` s2 ON s1._id = s2._id"; |
| |
| queryBuilder() |
| .sql(query, DONUTS_DB, DONUTS_COLLECTION, DONUTS_DB, DONUTS_COLLECTION) |
| .planMatcher() |
| .include("columns=\\[`_id`, `sales`]") |
| .exclude("columns=\\[`\\*\\*`") |
| .match(); |
| |
| testBuilder() |
| .sqlQuery(query, DONUTS_DB, DONUTS_COLLECTION, DONUTS_DB, DONUTS_COLLECTION) |
| .unOrdered() |
| .baselineColumns("s1_sales", "s2_sales") |
| .baselineValues(1194L, 1194L) |
| .go(); |
| } |
| |
| } |