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Posted to commits@jackrabbit.apache.org by ju...@apache.org on 2012/03/28 16:23:58 UTC

svn commit: r1306367 - in /jackrabbit/branches/2.4: ./ jackrabbit-core/src/main/java/org/apache/jackrabbit/core/query/lucene/join/QueryEngine.java

Author: jukka
Date: Wed Mar 28 14:23:58 2012
New Revision: 1306367

URL: http://svn.apache.org/viewvc?rev=1306367&view=rev
Log:
2.4: Merged revision 1306337 (JCR-3280)

Modified:
    jackrabbit/branches/2.4/   (props changed)
    jackrabbit/branches/2.4/jackrabbit-core/src/main/java/org/apache/jackrabbit/core/query/lucene/join/QueryEngine.java

Propchange: jackrabbit/branches/2.4/
------------------------------------------------------------------------------
  Merged /jackrabbit/trunk:r1306337

Modified: jackrabbit/branches/2.4/jackrabbit-core/src/main/java/org/apache/jackrabbit/core/query/lucene/join/QueryEngine.java
URL: http://svn.apache.org/viewvc/jackrabbit/branches/2.4/jackrabbit-core/src/main/java/org/apache/jackrabbit/core/query/lucene/join/QueryEngine.java?rev=1306367&r1=1306366&r2=1306367&view=diff
==============================================================================
--- jackrabbit/branches/2.4/jackrabbit-core/src/main/java/org/apache/jackrabbit/core/query/lucene/join/QueryEngine.java (original)
+++ jackrabbit/branches/2.4/jackrabbit-core/src/main/java/org/apache/jackrabbit/core/query/lucene/join/QueryEngine.java Wed Mar 28 14:23:58 2012
@@ -245,6 +245,11 @@ public class QueryEngine {
         Comparator<Row> rightCo = new RowPathComparator(
                 merger.getRightSelectors());
 
+        if (leftRows == null || leftRows.isEmpty()) {
+            return merger.merge(new RowIteratorAdapter(leftRows),
+                    new RowIteratorAdapter(new TreeSet<Row>()), null, rightCo);
+        }
+
         Set<Row> rightRows = buildRightRowsJoin(csInfo, rightConstraints,
                 isOuterJoin, rightCo, printIndentation + printIndentStep);