enhance mapping for ORM

src/test/java/com/alibaba/druid/bvt/mapping/MySqlMappingTest.java

@@ -0,0 +1,31 @@
+package com.alibaba.druid.bvt.mapping;
+
+import junit.framework.TestCase;
+
+import com.alibaba.druid.mapping.Entity;
+import com.alibaba.druid.mapping.MappingEngine;
+import com.alibaba.druid.mapping.Property;
+
+
+public class MySqlMappingTest extends TestCase {
+    MappingEngine engine = new MappingEngine();
+
+    protected void setUp() throws Exception {
+        Entity entity = new Entity();
+        entity.setName("用户");
+        entity.setTableName("user");
+
+        entity.addProperty(new Property("名称", "", "uid"));
+        entity.addProperty(new Property("昵称", "", "name"));
+
+        engine.addEntity(entity);
+    }
+    
+    public void test_0 () throws Exception {
+        String oql = "select * from 用户 u where u.名称 = 'a'";
+        
+        String sql = engine.explainToSelectSQL(oql);
+        
+        System.out.println(sql);
+    }
+}