From 6ff2bb6a5e7787231a145fbc8464ccf99519b056 Mon Sep 17 00:00:00 2001
From: wenshao <szujobs@gmail.com>
Date: Mon, 1 Apr 2013 21:21:35 +0800
Subject: [PATCH] improve wall filter

---
 .../alibaba/druid/sql/ast/statement/SQLUpdateStatement.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/com/alibaba/druid/sql/ast/statement/SQLUpdateStatement.java b/src/main/java/com/alibaba/druid/sql/ast/statement/SQLUpdateStatement.java
index ce6fb1deec..8590529c23 100644
--- a/src/main/java/com/alibaba/druid/sql/ast/statement/SQLUpdateStatement.java
+++ b/src/main/java/com/alibaba/druid/sql/ast/statement/SQLUpdateStatement.java
@@ -64,6 +64,9 @@ public class SQLUpdateStatement extends SQLStatementImpl {
     }
 
     public void setWhere(SQLExpr where) {
+        if (where != null) {
+            where.setParent(this);
+        }
         this.where = where;
     }