Merged V4.0-BUG-FIX to HEAD

37410: ALF-14386 HttpClient returns a null byte array if there is no response body (eg 204), swap that for an empty array to avoid NPEs and better fit the interface contract
   37439: ALF-13979: Schema comparison NPE when encountering a keyless table 
   37443: Hand merge of second round of PATH query improvements for ALF-13404 to doclib2 API scripts
   37480: Merged V4.0 to V4.0-BUG-FIX
      37470: ALF-14434: Specify a START WITH value for the rebuilt alf_acl_change_set primary key on DB2
      37475: ALF-13839: Transaction purging didn't work on SQL Server!
   37484: Merged PATCHES/V3.4.6 to V4.0-BUG-FIX (RECORD ONLY)
      36821: ALF-13827: Make replicated caches recover from temporary comms failures by flushing when a change in peers is detected
         - We do not flush caches who replicate via copy (e.g. tickets cache) as these may not be recoverable
   37487: Merged V3.4-BUG-FIX to V4.0-BUG-FIX
      37225: ALF-13617 Revert To Version functionality incorrectly reverts to the wrong version/file
      37280: Merged DEV to V3.4-BUG-FIX
         37279: ALF-14360 : Missing caches from ehcache-custom.xml.sample.cluster
            org.alfresco.cache.avm.avmVersionRootEntityCache and org.alfresco.cache.tagscopeSummaryCache were added to the ehcache configuration.
      37473: ALF-12081: Ensure that cancel checkout can both unlock and cancel offline edit
      37478: Merged BRANCHES/DEV/BELARUS/V3.4-BUG-FIX-2012_05_22 to BRANCHES/DEV/V3.4-BUG-FIX:
         37471: ALF-9475 : Remove JBPM indexes present from upgrades
      37485: ALF-9475: Fix up schema versions
   37488: Merged V3.4-BUG-FIX to V4.0-BUG-FIX (RECORD ONLY)
      37330: Merged V4.0-BUG-FIX to V3.4-BUG-FIX
         37323: ALF-13247: Two nodes with the same primary path. 
         -Fixed by initializing zone before parallel batch processing begins.
      37356: ALF-14392: Merged V4.0-BUG-FIX to V3.4-BUG-FIX
         36346: Fix for ALF-9466 - We can search contents sorted by categories in Advanced search in Share, but saved search will not be shown in UI.
      37373: Merged PATCHES/V3.4.6 to V3.4-BUG-FIX
         36821: ALF-13827 / ALF-14402: Make replicated caches recover from temporary comms failures by flushing when a change in peers is detected
         - We do not flush caches who replicate via copy (e.g. tickets cache) as these may not be recoverable
         37122: ALF-13919 / ALF-14403: Merged DEV to PATCHES/V3.4.6
         - Rework of Dmitry's implementation
         - Uses dynamic HQL query to retrieve JBPM workflow instances by specified query criteria
         - WorkflowInstancesGet web script no longer has to iterate over every workflow instance in the database!
         - DB index added to enable efficient querying by string variable
         - Hibernate tastic!
         37188: ALF-13919 / ALF-14403: Worked around HQL polymorphism issues by using explicit variable subclass names in from clause
         37204: ALF-13919 / ALF-14403: Fix to date range handling by Dmitry
      37481: Merged HEAD to V3.4-BUG-FIX
         37388: ALF-13545: First attempt at digitally signing the Windows installers
         37391: ALF-13545: Fix quoting and output directory specification
         37393: ALF-13545: Correct deployment installer signcode command


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@37491 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/util/schemacomp/DbObjectXMLTransformer.java

@@ -206,7 +206,10 @@ public class DbObjectXMLTransformer
         simpleEndTag(XML.EL_COLUMNS);
         
         // Output primary key
-        output(table.getPrimaryKey());
+        if (table.hasPrimaryKey())
+        {
+            output(table.getPrimaryKey());
+        }
         
         // Output foreign keys
         simpleStartTag(XML.EL_FOREIGN_KEYS);

source/java/org/alfresco/util/schemacomp/DbObjectXMLTransformerTest.java

@@ -24,6 +24,7 @@ import static org.alfresco.util.schemacomp.SchemaCompTestingUtils.fk;
 import static org.alfresco.util.schemacomp.SchemaCompTestingUtils.fkeys;
 import static org.alfresco.util.schemacomp.SchemaCompTestingUtils.indexes;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.fail;
 
 import java.io.BufferedReader;
@@ -264,6 +265,26 @@ public class DbObjectXMLTransformerTest
         assertEquals("</table>", reader.readLine());
     }
     
+    /**
+     * ALF-13979: empty table causes NPE during schema export.
+     * @throws IOException 
+     */
+    @Test
+    public void transformTableWithoutPrimaryKey() throws IOException
+    {
+        Table table = new Table("my_table");
+        assertFalse(table.hasPrimaryKey());
+        
+        transformer.output(table);
+        
+        BufferedReader reader = new BufferedReader(new StringReader(writer.toString()));
+        dumpOutput();
+        assertHasPreamble(reader);
+        skipUntilEnd("  {columns}", reader, true);
+        skipUntilEnd("  {foreignkeys}", reader, true);
+        skipUntilEnd("  {indexes}", reader, true);
+        assertEquals("</table>", reader.readLine());
+    }
     
     @Test
     public void transformObjectWithValidators() throws IOException
@@ -332,7 +353,7 @@ public class DbObjectXMLTransformerTest
         {
             textToFind = textToFind.trim().
                                 replace("{", "<").
-                                replace("}", "\\s+.*/>");            
+                                replace("}", ".*/>");            
         }
         else
         {

source/java/org/alfresco/util/schemacomp/model/Table.java

@@ -102,6 +102,13 @@ public class Table extends AbstractDbObject
         return this.primaryKey;
     }
 
+    /**
+     * @return Whether there is a primary key on this table.
+     */
+    public boolean hasPrimaryKey()
+    {
+        return (primaryKey != null);
+    }
 
     /**
      * @param primaryKey the primaryKey to set