[SPARK-6271][SQL] Sort these tokens in alphabetic order to avoid further duplicate in HiveQl

Author: DoingDone9 <799203320@qq.com>

Closes #4973 from DoingDone9/sort_token and squashes the following commits:

855fa10 [DoingDone9] Update HiveQl.scala
c7080b3 [DoingDone9] Sort these tokens in alphabetic order to avoid further duplicate in HiveQl
c87e8b6 [DoingDone9] Merge pull request #3 from apache/master
cb1852d [DoingDone9] Merge pull request #2 from apache/master
c3f046f [DoingDone9] Merge pull request #1 from apache/master

sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveQl.scala

@@ -55,37 +55,8 @@ private[hive] case object NativePlaceholder extends Command
 /** Provides a mapping from HiveQL statements to catalyst logical plans and expression trees. */
 private[hive] object HiveQl {
   protected val nativeCommands = Seq(
-    "TOK_DESCFUNCTION",
-    "TOK_DESCDATABASE",
-    "TOK_SHOW_CREATETABLE",
-    "TOK_SHOWCOLUMNS",
-    "TOK_SHOW_TABLESTATUS",
-    "TOK_SHOWDATABASES",
-    "TOK_SHOWFUNCTIONS",
-    "TOK_SHOWINDEXES",
-    "TOK_SHOWINDEXES",
-    "TOK_SHOWPARTITIONS",
-    "TOK_SHOW_TBLPROPERTIES",
-
-    "TOK_LOCKTABLE",
-    "TOK_SHOWLOCKS",
-    "TOK_UNLOCKTABLE",
-
-    "TOK_SHOW_ROLES",
-    "TOK_CREATEROLE",
-    "TOK_DROPROLE",
-    "TOK_GRANT",
-    "TOK_GRANT_ROLE",
-    "TOK_REVOKE",
-    "TOK_SHOW_GRANT",
-    "TOK_SHOW_ROLE_GRANT",
-    "TOK_SHOW_SET_ROLE",
-
-    "TOK_CREATEFUNCTION",
-    "TOK_DROPFUNCTION",
-
-    "TOK_ALTERDATABASE_PROPERTIES",
     "TOK_ALTERDATABASE_OWNER",
+    "TOK_ALTERDATABASE_PROPERTIES",
     "TOK_ALTERINDEX_PROPERTIES",
     "TOK_ALTERINDEX_REBUILD",
     "TOK_ALTERTABLE_ADDCOLS",
@@ -102,28 +73,61 @@ private[hive] object HiveQl {
     "TOK_ALTERTABLE_SKEWED",
     "TOK_ALTERTABLE_TOUCH",
     "TOK_ALTERTABLE_UNARCHIVE",
-    "TOK_CREATEDATABASE",
-    "TOK_CREATEFUNCTION",
-    "TOK_CREATEINDEX",
-    "TOK_DROPDATABASE",
-    "TOK_DROPINDEX",
-    "TOK_DROPTABLE_PROPERTIES",
-    "TOK_MSCK",
-
     "TOK_ALTERVIEW_ADDPARTS",
     "TOK_ALTERVIEW_AS",
     "TOK_ALTERVIEW_DROPPARTS",
     "TOK_ALTERVIEW_PROPERTIES",
     "TOK_ALTERVIEW_RENAME",
+    
+    "TOK_CREATEDATABASE",
+    "TOK_CREATEFUNCTION",
+    "TOK_CREATEINDEX",
+    "TOK_CREATEROLE",
     "TOK_CREATEVIEW",
-    "TOK_DROPVIEW_PROPERTIES",
+    
+    "TOK_DESCDATABASE",
+    "TOK_DESCFUNCTION",
+    
+    "TOK_DROPDATABASE",
+    "TOK_DROPFUNCTION",
+    "TOK_DROPINDEX",
+    "TOK_DROPROLE",
+    "TOK_DROPTABLE_PROPERTIES",
     "TOK_DROPVIEW",
-
+    "TOK_DROPVIEW_PROPERTIES",
+    
     "TOK_EXPORT",
+    
+    "TOK_GRANT",
+    "TOK_GRANT_ROLE",
+    
     "TOK_IMPORT",
+    
     "TOK_LOAD",
-
-    "TOK_SWITCHDATABASE"
+    
+    "TOK_LOCKTABLE",
+    
+    "TOK_MSCK",
+    
+    "TOK_REVOKE",
+    
+    "TOK_SHOW_CREATETABLE",
+    "TOK_SHOW_GRANT",
+    "TOK_SHOW_ROLE_GRANT",
+    "TOK_SHOW_ROLES",
+    "TOK_SHOW_SET_ROLE",
+    "TOK_SHOW_TABLESTATUS",
+    "TOK_SHOW_TBLPROPERTIES",
+    "TOK_SHOWCOLUMNS",
+    "TOK_SHOWDATABASES",
+    "TOK_SHOWFUNCTIONS",
+    "TOK_SHOWINDEXES",
+    "TOK_SHOWLOCKS",
+    "TOK_SHOWPARTITIONS",
+    
+    "TOK_SWITCHDATABASE",
+    
+    "TOK_UNLOCKTABLE"
   )
 
   // Commands that we do not need to explain.