Core/ObjectMgr: Refactor sCreatureDataAddonStorage

sql/updates/world/2011_04_28_02_world_creature_addon.sql

@@ -0,0 +1,51 @@
+CREATE TABLE `temp_auras` (
+  `spell` MEDIUMINT(8) UNSIGNED NOT NULL
+) ENGINE=MYISAM DEFAULT CHARSET=utf8;
+
+DELIMITER %%
+
+CREATE FUNCTION `ConvertAuras`(`auras` VARCHAR(1024))
+RETURNS VARCHAR(1024) CHARSET utf8
+DETERMINISTIC
+BEGIN
+  DECLARE tmp VARCHAR(1024);
+  DECLARE curr VARCHAR(10);
+  DECLARE k INT;
+  DECLARE pos INT;
+  DECLARE startp INT;
+
+  SET @k = 0;
+  SET @tmp = '';
+  SET @startp = 1;
+  SET @pos = LOCATE(' ', auras);
+
+  DELETE FROM temp_auras;
+
+  WHILE @pos > 0 DO
+    IF @k = 0 THEN
+      SET @curr = SUBSTR(auras, @startp, @pos - @startp);
+
+      IF NOT EXISTS(SELECT spell FROM temp_auras WHERE spell = @curr) THEN
+        SET @tmp = CONCAT(@tmp, @curr, ' ');
+        INSERT INTO temp_auras VALUES(@curr);
+      END IF;
+    END IF;
+
+    SET @k = 1-@k;
+    SET @startp = @pos+1;
+    SET @pos = LOCATE(' ', auras, @startp);
+  END WHILE;
+
+  SET @tmp = RTRIM(@tmp);
+  RETURN @tmp;
+END%%
+
+DELIMITER ;
+
+UPDATE `creature_addon` SET `auras` = REPLACE(`auras`, '  ', ' ');
+UPDATE `creature_addon` SET `auras` = TRIM(`auras`);
+UPDATE `creature_addon` SET `auras` = NULL WHERE `auras` = '';
+UPDATE `creature_addon` SET `auras` = ConvertAuras(`auras`) WHERE `auras` IS NOT NULL;
+
+DROP FUNCTION `ConvertAuras`;
+DROP TABLE `temp_auras`;