From 7862e719e77a696e29b5430dd090680f6e7c6130 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=B8=A9=E5=B0=91?= <szujobs@hotmail.com>
Date: Thu, 15 Mar 2012 14:12:30 +0800
Subject: [PATCH] refactor

---
 .../ast/stmt/OracleAlterTableStatement.java   | 20 +++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/stmt/OracleAlterTableStatement.java b/src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/stmt/OracleAlterTableStatement.java
index fc121a21ae..b6e2779a09 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/stmt/OracleAlterTableStatement.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/stmt/OracleAlterTableStatement.java
@@ -4,12 +4,13 @@ import java.util.ArrayList;
 import java.util.List;
 
 import com.alibaba.druid.sql.ast.SQLName;
+import com.alibaba.druid.sql.ast.statement.SQLExprTableSource;
 import com.alibaba.druid.sql.dialect.oracle.visitor.OracleASTVisitor;
 
 public class OracleAlterTableStatement extends OracleStatementImpl {
 
     private static final long          serialVersionUID        = 1L;
-    private SQLName                    name;
+    private SQLExprTableSource         tableSource;
     private List<OracleAlterTableItem> items                   = new ArrayList<OracleAlterTableItem>();
 
     private boolean                    updateGlobalIndexes     = false;
@@ -18,7 +19,7 @@ public class OracleAlterTableStatement extends OracleStatementImpl {
     @Override
     public void accept0(OracleASTVisitor visitor) {
         if (visitor.visit(this)) {
-            acceptChild(visitor, name);
+            acceptChild(visitor, tableSource);
             acceptChild(visitor, items);
         }
         visitor.endVisit(this);
@@ -41,11 +42,22 @@ public class OracleAlterTableStatement extends OracleStatementImpl {
     }
 
     public SQLName getName() {
-        return name;
+        if (tableSource == null) {
+            return null;
+        }
+        return (SQLName) tableSource.getExpr();
     }
 
     public void setName(SQLName name) {
-        this.name = name;
+        this.setTableSource(new SQLExprTableSource(name));
+    }
+
+    public SQLExprTableSource getTableSource() {
+        return tableSource;
+    }
+
+    public void setTableSource(SQLExprTableSource tableSource) {
+        this.tableSource = tableSource;
     }
 
     public List<OracleAlterTableItem> getItems() {