Index: org/postgresql/jdbc2/AbstractJdbc2Statement.java
===================================================================
RCS file: /cvsroot/jdbc/pgjdbc/org/postgresql/jdbc2/AbstractJdbc2Statement.java,v
retrieving revision 1.126
diff -u -r1.126 AbstractJdbc2Statement.java
--- org/postgresql/jdbc2/AbstractJdbc2Statement.java	26 Sep 2011 12:52:30 -0000	1.126
+++ org/postgresql/jdbc2/AbstractJdbc2Statement.java	28 Sep 2011 17:41:50 -0000
@@ -2588,6 +2588,9 @@
 
     public void setPrepareThreshold(int newThreshold) throws SQLException {
         checkClosed();
+        
+        if (ForceBinaryTransfers)
+            newThreshold = 1;
 
         if (newThreshold < 0)
             newThreshold = 0;