refactor

src/main/java/com/alibaba/druid/sql/ast/statement/SQLRollbackStatement.java

@@ -0,0 +1,29 @@
+package com.alibaba.druid.sql.ast.statement;
+
+import com.alibaba.druid.sql.ast.SQLName;
+import com.alibaba.druid.sql.ast.SQLStatementImpl;
+import com.alibaba.druid.sql.visitor.SQLASTVisitor;
+
+public class SQLRollbackStatement extends SQLStatementImpl {
+
+    private static final long serialVersionUID = 1L;
+
+    private SQLName           to;
+
+    @Override
+    protected void accept0(SQLASTVisitor visitor) {
+        if (visitor.visit(this)) {
+            acceptChild(visitor, to);
+        }
+        visitor.endVisit(this);
+    }
+
+    public SQLName getTo() {
+        return to;
+    }
+
+    public void setTo(SQLName to) {
+        this.to = to;
+    }
+
+}

src/main/java/com/alibaba/druid/sql/ast/statement/SQLSavePointStatement.java

@@ -0,0 +1,27 @@
+package com.alibaba.druid.sql.ast.statement;
+
+import com.alibaba.druid.sql.ast.SQLExpr;
+import com.alibaba.druid.sql.ast.SQLStatementImpl;
+import com.alibaba.druid.sql.visitor.SQLASTVisitor;
+
+public class SQLSavePointStatement extends SQLStatementImpl {
+
+    private static final long serialVersionUID = 1L;
+    private SQLExpr           name;
+
+    public SQLExpr getName() {
+        return name;
+    }
+
+    public void setName(SQLExpr name) {
+        this.name = name;
+    }
+
+    @Override
+    protected void accept0(SQLASTVisitor visitor) {
+        if (visitor.visit(this)) {
+            acceptChild(visitor, name);
+        }
+        visitor.endVisit(this);
+    }
+}