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@@ -11,6 +11,8 @@ class Coupon extends Model
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protected $primaryKey = 'coupon_id';
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protected $primaryKey = 'coupon_id';
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+ protected $keyType = 'string';
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+
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protected $dateFormat = 'U';
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protected $dateFormat = 'U';
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const CREATED_AT = 'coupon_addtimes';
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const CREATED_AT = 'coupon_addtimes';
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