CREATE PROCEDURE [dbo].[up_update_reward_coupon]
	@auth_id				uniqueidentifier,
	@character_id			uniqueidentifier,
	@character_name			nvarchar(16),
	@bcust_id				nvarchar(50),
	@IP						varchar(16),
	@coupon_type			int,
	@coupon					nvarchar(50),
	@use_date				datetime,
	
	@no						int output,
	@use					tinyint output,
	@item_code				int output,
	@item_count				smallint output
as
set nocount on

	SET @use        = 0;
	SET @no         = 0;
	SET @item_code  = 0;
	SET @item_count = 0;

	select top 1
	@no          = [no],
	@use		 = [use],
	@item_code   = [item_code],
	@item_count  = [item_count]
	from [dbo].[Coupon] with (READUNCOMMITTED) where [coupon] = @coupon and [coupon_type] = @coupon_type

	if ( @no <> 0 )
	begin
		--search
		if( @use = 0 )
		begin
			--save
			UPDATE [dbo].[Coupon] SET	
			[use]		   = 1,
			[use_date]     = @use_date,
			[AuthID]       = @auth_id,
			[character_id] = @character_id,
			[bcust_id]     = @bcust_id,
			[Name]         = @character_name,
			[IP]           = @IP
			where [coupon] = @coupon and [coupon_type] = @coupon_type;
			
			SET @use = 2
		end
	end
	
	select @no, @use, @item_code, @item_count

return @@error