修正输出格式

git-svn-id: http://code.alibabatech.com/svn/druid/trunk@163 b9813039-fb51-4c41-a8b9-e21c2acb5095

src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlOutputVisitor.java

@@ -120,7 +120,7 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
             print("SQL_CALC_FOUND_ROWS ");
         }
 
-        printAndAccept(select.getSelectList(), ", ");
+        printSelectList(select.getSelectList());
 
         if (select.getOutFile() != null) {
             println();

src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/visitor/OracleOutputVisitor.java

@@ -646,7 +646,7 @@ public class OracleOutputVisitor extends SQLASTOutputVisitor implements OracleAS
             print("*/ ");
         }
 
-        printAndAccept(select.getSelectList(), ", ");
+        printSelectList(select.getSelectList());
 
         println();
         print("FROM ");