diff --git a/dbcon/dmlpackage/dml.y b/dbcon/dmlpackage/dml.y
index b26319c0b..73dcf26ea 100644
--- a/dbcon/dmlpackage/dml.y
+++ b/dbcon/dmlpackage/dml.y
@@ -566,17 +566,11 @@ assignment_commalist:
 assignment:
 		column COMPARISON scalar_exp
 		{
-		   $$ = new ColumnAssignment();
-		   $$->fColumn = $1; 
-		   $$->fOperator = $2;
-		   $$->fScalarExpression = $3;
+		   $$ = new ColumnAssignment($1, $2, $3);
 		}
 	|	column COMPARISON NULLX
 		{
-		   $$ = new ColumnAssignment();
-		   $$->fColumn = $1;
-		   $$->fOperator = $2;
-		   $$->fScalarExpression = $3;
+		   $$ = new ColumnAssignment($1, $2, $3);
 		}
 	;
 
diff --git a/dbcon/dmlpackage/dmlpkg.h b/dbcon/dmlpackage/dmlpkg.h
index 924d974fd..82c561b8e 100644
--- a/dbcon/dmlpackage/dmlpkg.h
+++ b/dbcon/dmlpackage/dmlpkg.h
@@ -397,6 +397,14 @@ public:
 class ColumnAssignment
 {
 public:
+    explicit ColumnAssignment(
+        std::string const& column,
+        std::string const& op = "=",
+        std::string const& expr = "") :
+        fColumn(column), fOperator(op), fScalarExpression(expr),
+        fFromCol(false), fFuncScale(0), fIsNull(false)
+        {};
+
     /** @brief dump to stdout
      */
     std::ostream& put(std::ostream &os) const;
@@ -411,7 +419,7 @@ public:
     std::string fScalarExpression;
     bool fFromCol;
     uint32_t fFuncScale;
-    bool fIsNull = false;
+    bool fIsNull;
 };
 
 /** @brief Stores a value list or a query specification
diff --git a/dbcon/mysql/ha_calpont_impl.cpp b/dbcon/mysql/ha_calpont_impl.cpp
index 7bb6ad212..a6cbea6a9 100755
--- a/dbcon/mysql/ha_calpont_impl.cpp
+++ b/dbcon/mysql/ha_calpont_impl.cpp
@@ -928,10 +928,7 @@ uint32_t doUpdateDelete(THD *thd)
             else
                 schemaName = string(item->db_name);
 
-            columnAssignmentPtr = new ColumnAssignment();
-            columnAssignmentPtr->fColumn = string(item->name);
-            columnAssignmentPtr->fOperator = "=";
-            columnAssignmentPtr->fFuncScale = 0;
+            columnAssignmentPtr = new ColumnAssignment(item->name, "=", "");
             Item *value= value_it++;
             if (value->type() ==  Item::STRING_ITEM)
             {