[PATCH] ExternalSortFactory Bug Fix

[Jack Klebanoff]

Class org.apache.derby.impl.store.access.sort.ExternalSortFactory has a 
latent bug. Its canSupport method throws an exception if it is called 
with a null startParams argument. The patch follows.

Jack Klebanoff
Index: ExternalSortFactory.java
===================================================================
--- ExternalSortFactory.java    (revision 47313)
+++ ExternalSortFactory.java    (working copy)
@@ -322,6 +322,8 @@
    public boolean canSupport(Properties startParams) {
+        if( startParams == null)
+            return false;
        String impl = 
startParams.getProperty("derby.access.Conglomerate.type");
        if (impl == null)
            return false;