Pass 1 - working hash generator and saving to inventory table

common/database/database_update_manifest.cpp

@@ -7183,6 +7183,20 @@ ALTER TABLE `character_parcels`
 
 ALTER TABLE `character_parcels_containers`
 	ADD COLUMN `evolve_amount` INT UNSIGNED NOT NULL DEFAULT '0' AFTER `quantity`;
+)",
+		.content_schema_update = false
+	},
+	ManifestEntry{
+		.version = 9329,
+		.description = "2025_03_27_implement_item_unique_serial_number.sql",
+		.check = "SHOW COLUMNS FROM `inventory` LIKE 'serial_number'",
+		.condition = "empty",
+		.match = "",
+		.sql = R"(
+ALTER TABLE `inventory`
+	DROP COLUMN `guid`,
+	ADD COLUMN `serial_number` VARCHAR(16) NULL DEFAULT NULL AFTER `ornament_hero_model`,
+	ADD UNIQUE INDEX `idx_serial_number` (`serial_number`);
 )",
 		.content_schema_update = false
 	},