DB restructuring - world - achievement_reward (#1598)

* Makes table achievement_reward TrinityCore like

* Makes table achievement_reward TrinityCore like

data/sql/updates/pending_db_world/rev_1553131188458998104.sql

@@ -0,0 +1,11 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1553131188458998104');
+
+-- achievement_reward
+ALTER TABLE `achievement_reward` CHANGE `entry` `ID` mediumint(8) unsigned NOT NULL DEFAULT '0';
+ALTER TABLE `achievement_reward` CHANGE `title_A` `TitleA` mediumint(8) unsigned NOT NULL DEFAULT '0';
+ALTER TABLE `achievement_reward` CHANGE `title_H` `TitleH` mediumint(8) unsigned NOT NULL DEFAULT '0';
+ALTER TABLE `achievement_reward` CHANGE `item` `ItemID` mediumint(8) unsigned NOT NULL DEFAULT '0';
+ALTER TABLE `achievement_reward` CHANGE `sender` `Sender` mediumint(8) unsigned NOT NULL DEFAULT '0';
+ALTER TABLE `achievement_reward` CHANGE `subject` `Subject` varchar(255) DEFAULT NULL;
+ALTER TABLE `achievement_reward` CHANGE `text` `Body` text;
+ALTER TABLE `achievement_reward` CHANGE `mailTemplate` `MailTemplateID` mediumint(8) unsigned DEFAULT '0';

src/server/game/Achievements/AchievementMgr.cpp

@@ -2758,7 +2758,7 @@ void AchievementGlobalMgr::LoadRewards()
     m_achievementRewards.clear();                           // need for reload case
 
     //                                               0      1        2        3     4       5        6     7
-    QueryResult result = WorldDatabase.Query("SELECT entry, title_A, title_H, item, sender, subject, text, mailTemplate FROM achievement_reward");
+    QueryResult result = WorldDatabase.Query("SELECT ID, TitleA, TitleH, ItemID, Sender, Subject, Body, MailTemplateID FROM achievement_reward");
 
     if (!result)
     {