add sql parser testcases

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

@@ -16,6 +16,27 @@
 package com.alibaba.druid.sql.ast.statement;
 
 public enum SQLObjectType {
-    TABLE, FUNCTION, PROCEDURE, USER, DATABASE, //
-    ROLE, PROJECT, PACKAGE, RESOURCE, INSTANCE, JOB, VOLUME, OfflineModel, XFLOW // for odps
+    TABLE("TABLE"), // 
+    FUNCTION("FUNCTION"), // 
+    PROCEDURE("PROCEDURE"), // 
+    USER("USER"), //
+    DATABASE("DATABASE"), //
+    ROLE("ROLE"), // 
+    PROJECT("PROJECT"), // 
+    PACKAGE("PACKAGE"), // 
+    RESOURCE("RESOURCE"), // 
+    INSTANCE("INSTANCE"), // 
+    JOB("JOB"), // 
+    VOLUME("VOLUME"), // 
+    OfflineModel("OFFLINEMODEL"), // 
+    XFLOW("XFLOW") // for odps
+    ;
+    
+    public final String name;
+    public final String name_lcase;
+    
+    SQLObjectType(String name) {
+        this.name = name;
+        this.name_lcase = name.toLowerCase();
+    }
 }