bug fixed for SQLUtils.format mysql sharding sql.

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlFormatTest3.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright 1999-2017 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.mysql;
+
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.util.JdbcUtils;
+import junit.framework.TestCase;
+import org.junit.Assert;
+
+public class MySqlFormatTest3 extends TestCase {
+
+    public void test_0() throws Exception {
+        String text = "select * from db_00.t_00_00 where id > 1;";
+        Assert.assertEquals("SELECT *\n" +
+                "FROM db_00.t_00_00\n" +
+                "WHERE id > 1;", SQLUtils.format(text, JdbcUtils.MYSQL));
+    }
+}