diff --git a/dbcon/execplan/predicateoperator.h b/dbcon/execplan/predicateoperator.h
index 70209df5b..daa078948 100644
--- a/dbcon/execplan/predicateoperator.h
+++ b/dbcon/execplan/predicateoperator.h
@@ -456,11 +456,19 @@ inline bool PredicateOperator::getBoolVal(rowgroup::Row& row, bool& isNull, Retu
                 isNull = false;
                 return !ret;
             }
+#if 0   
+                if (isNull)
+                return false;
+
+            const std::string& val1 = lop->getStrVal(row, isNull);
 
             if (isNull)
                 return false;
 
-            std::string val1 = lop->getStrVal(row, isNull);
+            return strCompare(val1, rop->getStrVal(row, isNull)) && !isNull;
+#endif
+	    // MCOL-1559
+	    std::string val1 = lop->getStrVal(row, isNull);
             if (isNull)
                 return false;
 
@@ -472,7 +480,7 @@ inline bool PredicateOperator::getBoolVal(rowgroup::Row& row, bool& isNull, Retu
             boost::trim_right_if(val2, boost::is_any_of(" "));
 
             return strCompare(val1, val2);
-        }
+	}
 
         //FIXME: ???
         case execplan::CalpontSystemCatalog::VARBINARY:
diff --git a/dbcon/joblist/jlf_execplantojoblist.cpp b/dbcon/joblist/jlf_execplantojoblist.cpp
index 24ec7f50e..4bd41530d 100644
--- a/dbcon/joblist/jlf_execplantojoblist.cpp
+++ b/dbcon/joblist/jlf_execplantojoblist.cpp
@@ -1636,7 +1636,7 @@ const JobStepVector doSimpleFilter(SimpleFilter* sf, JobInfo& jobInfo)
         }
 
         string constval(cc->constval());
-        boost::trim_right_if(constval, boost::is_any_of(" "));
+//        boost::trim_right_if(constval, boost::is_any_of(" "));
 
 
         CalpontSystemCatalog::OID dictOid = 0;