修复数据比较时，max 比较错误问题

mouyong · web-flow · commit 380c332a1b92 · 2022-09-28T16:58:20.000+08:00
MYSQL数据库max(9)比max(10)大？https://segmentfault.com/a/1190000040411098
diff --git a/src/Utils/Uuid.php b/src/Utils/Uuid.php
@@ -17,7 +17,7 @@ public static function uuid($hex = true)
     
     public static function getCurrentSerialNumber(string $modelClass, $serialNumberField = 'serial_number'): int
     {
-        return $modelClass::whereDate('created_at', now())->max(DB::raw("cast({$serialNumberField} as INTEGER)")) ?? 0;
+        return $modelClass::whereDate('created_at', now())->max(DB::raw("cast({$serialNumberField} as UNSIGNED INTEGER)")) ?? 0;
     }
     
     public static function generateNextSerialNumberNo(int $serialNumber, int $padLength = 3): string

Original file line number	Diff line number	Diff line change
`@@ -17,7 +17,7 @@ public static function uuid($hex = true)`
`17`	`17`
`18`	`18`	`public static function getCurrentSerialNumber(string $modelClass, $serialNumberField = 'serial_number'): int`
`19`	`19`	`{`
`20`		`- return $modelClass::whereDate('created_at', now())->max(DB::raw("cast({$serialNumberField} as INTEGER)")) ?? 0;`
	`20`	`+ return $modelClass::whereDate('created_at', now())->max(DB::raw("cast({$serialNumberField} as UNSIGNED INTEGER)")) ?? 0;`
`21`	`21`	`}`
`22`	`22`
`23`	`23`	`public static function generateNextSerialNumberNo(int $serialNumber, int $padLength = 3): string`