Some fixes for pools.

sql/migrations/20241226193319_world.sql

@@ -0,0 +1,42 @@
+DROP PROCEDURE IF EXISTS add_migration;
+DELIMITER ??
+CREATE PROCEDURE `add_migration`()
+BEGIN
+DECLARE v INT DEFAULT 1;
+SET v = (SELECT COUNT(*) FROM `migrations` WHERE `id`='20241226193319');
+IF v = 0 THEN
+INSERT INTO `migrations` VALUES ('20241226193319');
+-- Add your query below.
+
+
+-- Remove empty pools.
+DELETE FROM `pool_template` WHERE `entry` IN (417, 1858, 1864, 1873, 2528, 2530, 2549, 2868, 2869, 2870, 4292, 4293, 14228, 14249, 17005, 21400, 21422, 21424, 21450, 21486, 21526, 21550, 21600, 21650, 25620);
+DELETE FROM `pool_pool` WHERE `pool_id` IN (417, 1858, 1864, 1873, 2528, 2530, 2549, 2868, 2869, 2870, 4292, 4293, 14228, 14249, 17005, 21400, 21422, 21424, 21450, 21486, 21526, 21550, 21600, 21650, 25620);
+
+-- `pool_creature` has guid 40461 for invalid pool 5004, skipped.
+DELETE FROM `creature` WHERE `guid`=40461;
+DELETE FROM `pool_creature` WHERE `guid`=40461;
+DELETE FROM `creature_movement` WHERE `id`=40461;
+
+-- Pool ids are uint16 in core so make db reflect that.
+ALTER TABLE `pool_creature`
+	CHANGE COLUMN `pool_entry` `pool_entry` SMALLINT UNSIGNED NOT NULL DEFAULT '0' AFTER `guid`;
+ALTER TABLE `pool_creature_template`
+	CHANGE COLUMN `pool_entry` `pool_entry` SMALLINT UNSIGNED NOT NULL DEFAULT '0' AFTER `id`;
+ALTER TABLE `pool_gameobject`
+	CHANGE COLUMN `pool_entry` `pool_entry` SMALLINT UNSIGNED NOT NULL DEFAULT '0' AFTER `guid`;
+ALTER TABLE `pool_gameobject_template`
+	CHANGE COLUMN `pool_entry` `pool_entry` SMALLINT UNSIGNED NOT NULL DEFAULT '0' AFTER `id`;
+ALTER TABLE `pool_pool`
+	CHANGE COLUMN `pool_id` `pool_id` SMALLINT UNSIGNED NOT NULL DEFAULT '0' FIRST,
+	CHANGE COLUMN `mother_pool` `mother_pool` SMALLINT UNSIGNED NOT NULL DEFAULT '0' AFTER `pool_id`;
+ALTER TABLE `pool_template`
+	CHANGE COLUMN `entry` `entry` SMALLINT UNSIGNED NOT NULL DEFAULT '0' COMMENT 'Pool entry' FIRST;
+
+
+-- End of migration.
+END IF;
+END??
+DELIMITER ;
+CALL add_migration();
+DROP PROCEDURE IF EXISTS add_migration;