From db1f4a81a768154e4161a0760117920f1108dd05 Mon Sep 17 00:00:00 2001
From: Timothy Potter <thelabdude@apache.org>
Date: Wed, 29 Jul 2015 19:45:47 +0000
Subject: [PATCH] SOLR-6357: Allow delete documents by doing a score join
 query.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1693338 13f79535-47bb-0310-9956-ffa450edef68
---
 solr/CHANGES.txt                                         | 2 ++
 .../apache/solr/search/join/TestScoreJoinQPScore.java    | 9 +++++++++
 2 files changed, 11 insertions(+)

diff --git a/solr/CHANGES.txt b/solr/CHANGES.txt
index d714568088b..af64767036d 100644
--- a/solr/CHANGES.txt
+++ b/solr/CHANGES.txt
@@ -253,6 +253,8 @@ Bug Fixes
 * SOLR-7842: ZK connection loss or session expiry events should not fire config directory listeners.
   (noble, shalin)
 
+* SOLR-6357: Allow delete documents by doing a score join query. (Mikhail Khludnev, Timothy Potter)
+
 Optimizations
 ----------------------
 
diff --git a/solr/core/src/test/org/apache/solr/search/join/TestScoreJoinQPScore.java b/solr/core/src/test/org/apache/solr/search/join/TestScoreJoinQPScore.java
index 85fc86d6f2e..1692b0c72d8 100644
--- a/solr/core/src/test/org/apache/solr/search/join/TestScoreJoinQPScore.java
+++ b/solr/core/src/test/org/apache/solr/search/join/TestScoreJoinQPScore.java
@@ -115,6 +115,15 @@ public class TestScoreJoinQPScore extends SolrTestCaseJ4 {
     dir.close();*/
   }
 
+  public void testDeleteByScoreJoinQuery() throws Exception {
+    indexDataForScorring();
+    String joinQuery = "{!join from=" + toField + " to=" + idField + " score=Max}title:random";
+    assertJQ(req("q", joinQuery, "fl", "id"), "/response=={'numFound':2,'start':0,'docs':[{'id':'1'},{'id':'4'}]}");
+    assertU(delQ(joinQuery));
+    assertU(commit());
+    assertJQ(req("q", joinQuery, "fl", "id"), "/response=={'numFound':0,'start':0,'docs':[]}");
+  }
+
   public void testSimpleWithScoring() throws Exception {
     indexDataForScorring();