| /* |
| * 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; |
| |
| import java.lang.invoke.MethodHandles; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.solr.common.params.ModifiableSolrParams; |
| import org.apache.solr.common.util.Utils; |
| import org.apache.solr.request.SolrQueryRequest; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class TestJoin extends SolrTestCaseJ4 { |
| |
| private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| @BeforeClass |
| public static void beforeTests() throws Exception { |
| System.setProperty("enable.update.log", "false"); // schema12 doesn't support _version_ |
| |
| if (System.getProperty("solr.tests.IntegerFieldType").contains("Point")) { // all points change at the same time |
| // point fields need docvalues |
| System.setProperty("solr.tests.numeric.dv", "true"); |
| } |
| |
| initCore("solrconfig.xml","schema12.xml"); |
| } |
| |
| |
| @Test |
| public void testJoin() throws Exception { |
| assertU(add(doc("id", "1","name", "john", "title", "Director", "dept_s","Engineering"))); |
| assertU(add(doc("id", "2","name", "mark", "title", "VP", "dept_s","Marketing"))); |
| assertU(add(doc("id", "3","name", "nancy", "title", "MTS", "dept_s","Sales"))); |
| assertU(add(doc("id", "4","name", "dave", "title", "MTS", "dept_s","Support", "dept_s","Engineering"))); |
| assertU(add(doc("id", "5","name", "tina", "title", "VP", "dept_s","Engineering"))); |
| |
| assertU(add(doc("id","10", "dept_id_s", "Engineering", "text","These guys develop stuff"))); |
| assertU(add(doc("id","11", "dept_id_s", "Marketing", "text","These guys make you look good"))); |
| assertU(add(doc("id","12", "dept_id_s", "Sales", "text","These guys sell stuff"))); |
| assertU(add(doc("id","13", "dept_id_s", "Support", "text","These guys help customers"))); |
| |
| assertU(commit()); |
| |
| ModifiableSolrParams p = params("sort","id asc"); |
| |
| // test debugging |
| assertJQ(req(p, "q","{!join from=dept_s to=dept_id_s}title:MTS", "fl","id", "debugQuery","true") |
| ,"/debug/join/{!join from=dept_s to=dept_id_s}title:MTS=={'_MATCH_':'fromSetSize,toSetSize', 'fromSetSize':2, 'toSetSize':3}" |
| ); |
| |
| assertJQ(req(p, "q","{!join from=dept_s to=dept_id_s}title:MTS", "fl","id") |
| ,"/response=={'numFound':3,'start':0,'docs':[{'id':'10'},{'id':'12'},{'id':'13'}]}" |
| ); |
| |
| // empty from |
| assertJQ(req(p, "q","{!join from=noexist_s to=dept_id_s}*:*", "fl","id") |
| ,"/response=={'numFound':0,'start':0,'docs':[]}" |
| ); |
| |
| // empty to |
| assertJQ(req(p, "q","{!join from=dept_s to=noexist_s}*:*", "fl","id") |
| ,"/response=={'numFound':0,'start':0,'docs':[]}" |
| ); |
| |
| // self join... return everyone with she same title as Dave |
| assertJQ(req(p, "q","{!join from=title to=title}name:dave", "fl","id") |
| ,"/response=={'numFound':2,'start':0,'docs':[{'id':'3'},{'id':'4'}]}" |
| ); |
| |
| // find people that develop stuff |
| assertJQ(req(p, "q","{!join from=dept_id_s to=dept_s}text:develop", "fl","id") |
| ,"/response=={'numFound':3,'start':0,'docs':[{'id':'1'},{'id':'4'},{'id':'5'}]}" |
| ); |
| |
| // self join on multivalued text field |
| assertJQ(req(p, "q","{!join from=title to=title}name:dave", "fl","id") |
| ,"/response=={'numFound':2,'start':0,'docs':[{'id':'3'},{'id':'4'}]}" |
| ); |
| |
| assertJQ(req(p, "q","{!join from=dept_s to=dept_id_s}title:MTS", "fl","id", "debugQuery","true") |
| ,"/response=={'numFound':3,'start':0,'docs':[{'id':'10'},{'id':'12'},{'id':'13'}]}" |
| ); |
| |
| // expected outcome for a sub query matching dave joined against departments |
| final String davesDepartments = |
| "/response=={'numFound':2,'start':0,'docs':[{'id':'10'},{'id':'13'}]}"; |
| |
| // straight forward query |
| assertJQ(req(p, "q","{!join from=dept_s to=dept_id_s}name:dave", |
| "fl","id"), |
| davesDepartments); |
| |
| // variable deref for sub-query parsing |
| assertJQ(req(p, "q","{!join from=dept_s to=dept_id_s v=$qq}", |
| "qq","{!dismax}dave", |
| "qf","name", |
| "fl","id", |
| "debugQuery","true"), |
| davesDepartments); |
| |
| // variable deref for sub-query parsing w/localparams |
| assertJQ(req(p, "q","{!join from=dept_s to=dept_id_s v=$qq}", |
| "qq","{!dismax qf=name}dave", |
| "fl","id", |
| "debugQuery","true"), |
| davesDepartments); |
| |
| // defType local param to control sub-query parsing |
| assertJQ(req(p, "q","{!join from=dept_s to=dept_id_s defType=dismax}dave", |
| "qf","name", |
| "fl","id", |
| "debugQuery","true"), |
| davesDepartments); |
| |
| // find people that develop stuff - but limit via filter query to a name of "john" |
| // this tests filters being pushed down to queries (SOLR-3062) |
| assertJQ(req(p, "q","{!join from=dept_id_s to=dept_s}text:develop", "fl","id", "fq", "name:john") |
| ,"/response=={'numFound':1,'start':0,'docs':[{'id':'1'}]}" |
| ); |
| |
| } |
| |
| |
| @Test |
| public void testRandomJoin() throws Exception { |
| int indexIter=50 * RANDOM_MULTIPLIER; |
| int queryIter=50 * RANDOM_MULTIPLIER; |
| |
| // groups of fields that have any chance of matching... used to |
| // increase test effectiveness by avoiding 0 resultsets much of the time. |
| String[][] compat = new String[][] { |
| {"small_s","small2_s","small2_ss","small3_ss"}, |
| {"small_i","small2_i","small2_is","small3_is", "small_i_dv", "small_is_dv"} |
| }; |
| |
| |
| while (--indexIter >= 0) { |
| int indexSize = random().nextInt(20 * RANDOM_MULTIPLIER); |
| |
| List<FldType> types = new ArrayList<>(); |
| types.add(new FldType("id",ONE_ONE, new SVal('A','Z',4,4))); |
| types.add(new FldType("score_f",ONE_ONE, new FVal(1,100))); // field used to score |
| types.add(new FldType("small_s",ZERO_ONE, new SVal('a',(char)('c'+indexSize/3),1,1))); |
| types.add(new FldType("small2_s",ZERO_ONE, new SVal('a',(char)('c'+indexSize/3),1,1))); |
| types.add(new FldType("small2_ss",ZERO_TWO, new SVal('a',(char)('c'+indexSize/3),1,1))); |
| types.add(new FldType("small3_ss",new IRange(0,25), new SVal('A','z',1,1))); |
| types.add(new FldType("small_i",ZERO_ONE, new IRange(0,5+indexSize/3))); |
| types.add(new FldType("small2_i",ZERO_ONE, new IRange(0,5+indexSize/3))); |
| types.add(new FldType("small2_is",ZERO_TWO, new IRange(0,5+indexSize/3))); |
| types.add(new FldType("small3_is",new IRange(0,25), new IRange(0,100))); |
| types.add(new FldType("small_i_dv",ZERO_ONE, new IRange(0,5+indexSize/3))); |
| types.add(new FldType("small_is_dv",ZERO_ONE, new IRange(0,5+indexSize/3))); |
| |
| clearIndex(); |
| Map<Comparable, Doc> model = indexDocs(types, null, indexSize); |
| Map<String, Map<Comparable, Set<Comparable>>> pivots = new HashMap<>(); |
| |
| for (int qiter=0; qiter<queryIter; qiter++) { |
| String fromField; |
| String toField; |
| /* disable matching incompatible fields since 7.0... it doesn't work with point fields and doesn't really make sense? |
| if (random().nextInt(100) < 5) { |
| // pick random fields 5% of the time |
| fromField = types.get(random().nextInt(types.size())).fname; |
| // pick the same field 50% of the time we pick a random field (since other fields won't match anything) |
| toField = (random().nextInt(100) < 50) ? fromField : types.get(random().nextInt(types.size())).fname; |
| } else |
| */ |
| { |
| // otherwise, pick compatible fields that have a chance of matching indexed tokens |
| String[] group = compat[random().nextInt(compat.length)]; |
| fromField = group[random().nextInt(group.length)]; |
| toField = group[random().nextInt(group.length)]; |
| } |
| |
| Map<Comparable, Set<Comparable>> pivot = pivots.get(fromField+"/"+toField); |
| if (pivot == null) { |
| pivot = createJoinMap(model, fromField, toField); |
| pivots.put(fromField+"/"+toField, pivot); |
| } |
| |
| Collection<Doc> fromDocs = model.values(); |
| Set<Comparable> docs = join(fromDocs, pivot); |
| List<Doc> docList = new ArrayList<>(docs.size()); |
| for (Comparable id : docs) docList.add(model.get(id)); |
| Collections.sort(docList, createComparator("_docid_",true,false,false,false)); |
| List sortedDocs = new ArrayList(); |
| for (Doc doc : docList) { |
| if (sortedDocs.size() >= 10) break; |
| sortedDocs.add(doc.toObject(h.getCore().getLatestSchema())); |
| } |
| |
| Map<String,Object> resultSet = new LinkedHashMap<>(); |
| resultSet.put("numFound", docList.size()); |
| resultSet.put("start", 0); |
| resultSet.put("docs", sortedDocs); |
| |
| // todo: use different join queries for better coverage |
| |
| SolrQueryRequest req = req("wt","json","indent","true", "echoParams","all", |
| "q","{!join from="+fromField+" to="+toField |
| + (random().nextInt(4)==0 ? " fromIndex=collection1" : "") |
| +"}*:*" |
| ); |
| |
| String strResponse = h.query(req); |
| |
| Object realResponse = Utils.fromJSONString(strResponse); |
| String err = JSONTestUtil.matchObj("/response", realResponse, resultSet); |
| if (err != null) { |
| log.error("JOIN MISMATCH: " + err |
| + "\n\trequest="+req |
| + "\n\tresult="+strResponse |
| + "\n\texpected="+ Utils.toJSONString(resultSet) |
| + "\n\tmodel="+ model |
| ); |
| |
| // re-execute the request... good for putting a breakpoint here for debugging |
| String rsp = h.query(req); |
| |
| fail(err); |
| } |
| |
| } |
| } |
| } |
| |
| |
| Map<Comparable, Set<Comparable>> createJoinMap(Map<Comparable, Doc> model, String fromField, String toField) { |
| Map<Comparable, Set<Comparable>> id_to_id = new HashMap<>(); |
| |
| Map<Comparable, List<Comparable>> value_to_id = invertField(model, toField); |
| |
| for (Comparable fromId : model.keySet()) { |
| Doc doc = model.get(fromId); |
| List<Comparable> vals = doc.getValues(fromField); |
| if (vals == null) continue; |
| for (Comparable val : vals) { |
| List<Comparable> toIds = value_to_id.get(val); |
| if (toIds == null) continue; |
| Set<Comparable> ids = id_to_id.get(fromId); |
| if (ids == null) { |
| ids = new HashSet<>(); |
| id_to_id.put(fromId, ids); |
| } |
| for (Comparable toId : toIds) |
| ids.add(toId); |
| } |
| } |
| |
| return id_to_id; |
| } |
| |
| |
| Set<Comparable> join(Collection<Doc> input, Map<Comparable, Set<Comparable>> joinMap) { |
| Set<Comparable> ids = new HashSet<>(); |
| for (Doc doc : input) { |
| Collection<Comparable> output = joinMap.get(doc.id); |
| if (output == null) continue; |
| ids.addAll(output); |
| } |
| return ids; |
| } |
| |
| } |