| /* |
| * 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.solr.search; |
| |
| import org.apache.solr.BaseDistributedSearchTestCase; |
| import org.apache.solr.client.solrj.response.QueryResponse; |
| import org.apache.solr.common.SolrDocument; |
| import org.apache.solr.common.SolrDocumentList; |
| import org.apache.solr.common.params.ModifiableSolrParams; |
| import org.apache.solr.handler.component.MergeStrategy; |
| import org.apache.solr.handler.component.ResponseBuilder; |
| import org.apache.solr.handler.component.ShardRequest; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import java.util.Arrays; |
| |
| /** |
| * Test for QueryComponent's distributed querying |
| * |
| * @see org.apache.solr.handler.component.QueryComponent |
| */ |
| public class MergeStrategyTest extends BaseDistributedSearchTestCase { |
| |
| public MergeStrategyTest() { |
| stress = 0; |
| } |
| |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| initCore("solrconfig-plugcollector.xml", "schema15.xml"); |
| } |
| |
| @Test |
| @ShardsFixed(num = 3) |
| @SuppressWarnings({"unchecked"}) |
| public void test() throws Exception { |
| del("*:*"); |
| |
| index_specific(0,"id","1", "sort_i", "5"); |
| index_specific(0,"id","2", "sort_i", "50"); |
| index_specific(1,"id","5", "sort_i", "4"); |
| index_specific(1,"id","6", "sort_i", "10"); |
| index_specific(0,"id","7", "sort_i", "1"); |
| index_specific(1,"id","8", "sort_i", "2"); |
| index_specific(2,"id","9", "sort_i", "1000"); |
| index_specific(2,"id","10", "sort_i", "1500"); |
| index_specific(2,"id","11", "sort_i", "1300"); |
| index_specific(1,"id","12", "sort_i", "15"); |
| index_specific(1,"id","13", "sort_i", "16"); |
| |
| commit(); |
| |
| handle.put("explain", SKIPVAL); |
| handle.put("timestamp", SKIPVAL); |
| handle.put("score", SKIPVAL); |
| handle.put("wt", SKIP); |
| handle.put("distrib", SKIP); |
| handle.put("shards.qt", SKIP); |
| handle.put("shards", SKIP); |
| handle.put("q", SKIP); |
| handle.put("maxScore", SKIPVAL); |
| handle.put("_version_", SKIP); |
| |
| //Test mergeStrategy that uses score |
| query("rq", "{!rank}", "q", "*:*", "rows","12", "sort", "sort_i asc", "fl","*,score"); |
| |
| //Test without mergeStrategy |
| query("q", "*:*", "rows","12", "sort", "sort_i asc"); |
| |
| //Test mergeStrategy1 that uses a sort field. |
| query("rq", "{!rank mergeStrategy=1}", "q", "*:*", "rows","12", "sort", "sort_i asc"); |
| |
| ModifiableSolrParams params = new ModifiableSolrParams(); |
| params.add("q", "*:*"); |
| params.add("rows", "12"); |
| params.add("rq", "{!rank}"); |
| params.add("sort", "sort_i asc"); |
| params.add("fl","*,score"); |
| setDistributedParams(params); |
| QueryResponse rsp = queryServer(params); |
| assertOrder(rsp,"10","11","9","2","13","12","6","1","5","8","7"); |
| |
| params = new ModifiableSolrParams(); |
| params.add("q", "*:*"); |
| params.add("rows", "12"); |
| params.add("sort", "sort_i asc"); |
| params.add("fl","*,score"); |
| setDistributedParams(params); |
| rsp = queryServer(params); |
| assertOrder(rsp,"7","8","5","1","6","12","13","2","9","11","10"); |
| |
| MergeStrategy m1 = new MergeStrategy() { |
| @Override |
| public void merge(ResponseBuilder rb, ShardRequest sreq) { |
| } |
| |
| public boolean mergesIds() { |
| return true; |
| } |
| |
| public boolean handlesMergeFields() { return false;} |
| public void handleMergeFields(ResponseBuilder rb, SolrIndexSearcher searcher) {} |
| |
| @Override |
| public int getCost() { |
| return 1; |
| } |
| }; |
| |
| MergeStrategy m2 = new MergeStrategy() { |
| @Override |
| public void merge(ResponseBuilder rb, ShardRequest sreq) { |
| } |
| |
| public boolean mergesIds() { |
| return true; |
| } |
| |
| public boolean handlesMergeFields() { return false;} |
| public void handleMergeFields(ResponseBuilder rb, SolrIndexSearcher searcher) {} |
| |
| @Override |
| public int getCost() { |
| return 100; |
| } |
| }; |
| |
| MergeStrategy m3 = new MergeStrategy() { |
| @Override |
| public void merge(ResponseBuilder rb, ShardRequest sreq) { |
| } |
| |
| public boolean mergesIds() { |
| return false; |
| } |
| |
| public boolean handlesMergeFields() { return false;} |
| public void handleMergeFields(ResponseBuilder rb, SolrIndexSearcher searcher) {} |
| |
| @Override |
| public int getCost() { |
| return 50; |
| } |
| }; |
| |
| MergeStrategy[] merges = {m1,m2,m3}; |
| Arrays.sort(merges, MergeStrategy.MERGE_COMP); |
| assert(merges[0].getCost() == 1); |
| assert(merges[1].getCost() == 50); |
| assert(merges[2].getCost() == 100); |
| } |
| |
| private void assertOrder(QueryResponse rsp, String ... docs) throws Exception { |
| SolrDocumentList list = rsp.getResults(); |
| for(int i=0; i<docs.length; i++) { |
| SolrDocument doc = list.get(i); |
| Object o = doc.getFieldValue("id"); |
| if(!docs[i].equals(o)) { |
| throw new Exception("Order is not correct:"+o+"!="+docs[i]); |
| } |
| } |
| } |
| } |