refactor

src/main/java/com/alibaba/druid/sql/ast/expr/SQLIdentifierExpr.java

@@ -33,6 +33,10 @@ public class SQLIdentifierExpr extends SQLExprImpl implements SQLName {
 
         this.name = name;
     }
+    
+    public String getSimleName() {
+        return name;
+    }
 
     public String getName() {
         return this.name;

src/main/java/com/alibaba/druid/sql/ast/expr/SQLPropertyExpr.java

@@ -36,6 +36,10 @@ public class SQLPropertyExpr extends SQLExprImpl implements SQLName {
     public SQLPropertyExpr(){
 
     }
+    
+    public String getSimleName() {
+        return name;
+    }
 
     public SQLExpr getOwner() {
         return this.owner;