From 4ba511d2a931f0af85a033e18e1e272c8c213fae Mon Sep 17 00:00:00 2001
From: wenshao <szujobs@hotmail.com>
Date: Sun, 25 Sep 2016 07:10:59 +0800
Subject: [PATCH] refactor sql parser.

---
 .../visitor/ParameterizedOutputVisitorUtils.java    | 13 -------------
 .../druid/sql/visitor/SQLASTOutputVisitor.java      |  8 +++++++-
 2 files changed, 7 insertions(+), 14 deletions(-)

diff --git a/src/main/java/com/alibaba/druid/sql/visitor/ParameterizedOutputVisitorUtils.java b/src/main/java/com/alibaba/druid/sql/visitor/ParameterizedOutputVisitorUtils.java
index 4873e544cc..9beb00d7e8 100644
--- a/src/main/java/com/alibaba/druid/sql/visitor/ParameterizedOutputVisitorUtils.java
+++ b/src/main/java/com/alibaba/druid/sql/visitor/ParameterizedOutputVisitorUtils.java
@@ -144,19 +144,6 @@ public class ParameterizedOutputVisitorUtils {
         return false;
     }
 
-    public static boolean visit(ParameterizedVisitor v, SQLNumberExpr x) {
-        if (!checkParameterize(x)) {
-            return SQLASTOutputVisitorUtils.visit(v, x);
-        }
-
-        v.print('?');
-        v.incrementReplaceCunt();
-        if( v instanceof ExportParameterVisitor){
-            ExportParameterVisitorUtils.exportParameter(((ExportParameterVisitor)v).getParameters(), x);
-        }
-        return false;
-    }
-
     public static boolean visit(ParameterizedVisitor v, SQLCharExpr x) {
         v.print('?');
         v.incrementReplaceCunt();
diff --git a/src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java b/src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java
index d05294cf3f..05325e0896 100644
--- a/src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java
+++ b/src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java
@@ -639,7 +639,13 @@ public class SQLASTOutputVisitor extends SQLASTVisitorAdapter implements Paramet
     public boolean visit(SQLNumberExpr x) {
         if (this.parameterized
             && ParameterizedOutputVisitorUtils.checkParameterize(x)) {
-            return ParameterizedOutputVisitorUtils.visit(this, x);
+            print('?');
+            incrementReplaceCunt();
+
+            if(this instanceof ExportParameterVisitor) {
+                ExportParameterVisitorUtils.exportParameter((this).getParameters(), x);
+            }
+            return false;
         }
 
         return SQLASTOutputVisitorUtils.visit(this, x);