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Posted to commits@lucene.apache.org by da...@apache.org on 2018/01/03 10:51:50 UTC

[02/18] lucene-solr:jira/solr-11702: SOLR-11555: If the query terms reduce to nothing, filter(clause) produces an NPE whereas fq=clause does not

SOLR-11555: If the query terms reduce to nothing, filter(clause) produces an NPE whereas fq=clause does not


Project: http://git-wip-us.apache.org/repos/asf/lucene-solr/repo
Commit: http://git-wip-us.apache.org/repos/asf/lucene-solr/commit/05ab5e10
Tree: http://git-wip-us.apache.org/repos/asf/lucene-solr/tree/05ab5e10
Diff: http://git-wip-us.apache.org/repos/asf/lucene-solr/diff/05ab5e10

Branch: refs/heads/jira/solr-11702
Commit: 05ab5e10ae2309a307951d753ec0c141b6c12f7d
Parents: 6b368c0
Author: Erick Erickson <er...@apache.org>
Authored: Wed Dec 27 12:05:31 2017 -0800
Committer: Erick Erickson <er...@apache.org>
Committed: Wed Dec 27 12:05:31 2017 -0800

----------------------------------------------------------------------
 solr/CHANGES.txt                                |  3 +++
 .../java/org/apache/solr/query/FilterQuery.java |  5 +++++
 .../apache/solr/search/TestSolrQueryParser.java | 20 ++++++++++++++++++++
 3 files changed, 28 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/05ab5e10/solr/CHANGES.txt
----------------------------------------------------------------------
diff --git a/solr/CHANGES.txt b/solr/CHANGES.txt
index 68003cb..b951d0d 100644
--- a/solr/CHANGES.txt
+++ b/solr/CHANGES.txt
@@ -68,6 +68,9 @@ Bug Fixes
 
 * SOLR-11783: Rename core in solr standalone mode is not persisted (Erick Erickson)
 
+* SOLR-11555: If the query terms reduce to nothing, filter(clause) produces an NPE whereas
+  fq=clause does not (Erick Erickson)
+
 Optimizations
 ----------------------
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/05ab5e10/solr/core/src/java/org/apache/solr/query/FilterQuery.java
----------------------------------------------------------------------
diff --git a/solr/core/src/java/org/apache/solr/query/FilterQuery.java b/solr/core/src/java/org/apache/solr/query/FilterQuery.java
index 7a74798..02cb88b 100644
--- a/solr/core/src/java/org/apache/solr/query/FilterQuery.java
+++ b/solr/core/src/java/org/apache/solr/query/FilterQuery.java
@@ -22,6 +22,7 @@ import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.search.BoostQuery;
 import org.apache.lucene.search.ConstantScoreQuery;
 import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.MatchNoDocsQuery;
 import org.apache.lucene.search.Query;
 import org.apache.lucene.search.ScoreMode;
 import org.apache.lucene.search.Weight;
@@ -34,6 +35,10 @@ public class FilterQuery extends ExtendedQueryBase {
   protected final Query q;
 
   public FilterQuery(Query q) {
+    if (q == null) {
+      this.q = new MatchNoDocsQuery();
+      return;
+    }
     this.q = q;
   }
 

http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/05ab5e10/solr/core/src/test/org/apache/solr/search/TestSolrQueryParser.java
----------------------------------------------------------------------
diff --git a/solr/core/src/test/org/apache/solr/search/TestSolrQueryParser.java b/solr/core/src/test/org/apache/solr/search/TestSolrQueryParser.java
index 1cf0a0c..b69fe9e 100644
--- a/solr/core/src/test/org/apache/solr/search/TestSolrQueryParser.java
+++ b/solr/core/src/test/org/apache/solr/search/TestSolrQueryParser.java
@@ -491,6 +491,26 @@ public class TestSolrQueryParser extends SolrTestCaseJ4 {
         , "/response/docs/[0]/score==10.0"
     );
 
+    assertU(adoc("id", "40", "wdf_nocase", "just some text, don't want NPE"));
+    assertU(commit());
+
+    // See SOLR-11555. If wdff removes all the characters, an NPE occurs.
+    // try q and fq
+    assertJQ(req("q", "filter(wdf_nocase:&)", "fl", "id", "debug", "query")
+        , "/response/numFound==0"
+    );
+    assertJQ(req("fq", "filter(wdf_nocase:.,)", "fl", "id", "debug", "query")
+        , "/response/numFound==0"
+    );
+
+    // Insure the same behavior as with bare clause, just not filter
+    assertJQ(req("q", "wdf_nocase:&", "fl", "id", "debug", "query")
+        , "/response/numFound==0"
+    );
+    assertJQ(req("fq", "wdf_nocase:.,", "fl", "id", "debug", "query")
+        , "/response/numFound==0"
+    );
+
   }