35 lines
1.8 KiB
Transact-SQL
35 lines
1.8 KiB
Transact-SQL
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/****** Object: StoredProcedure [dbo].[SpGetNewCode5] Script Date: 2022/10/23 11:41:19 ******/
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SET ANSI_NULLS ON
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GO
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SET QUOTED_IDENTIFIER ON
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GO
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ALTER PROCEDURE [dbo].[SpGetNewCode5]
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@tableName varchar(50),/*表名*/
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@columnName varchar(30),/*列名*/
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@prefix varchar(50),/*流水号编码前缀*/
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@returnVal nvarchar(50) output
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AS
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/*获取危险源代码的流水号*/
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declare
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@sql nvarchar(500),
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@old nvarchar(50),
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@newid varchar(50),
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@maxId nvarchar(50)/*已分配的最大值*/
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select @sql=N'SELECT @maxId=MAX(right('+@columnName+',9)) from '+@tableName+' where ' + @columnName+' like ' + '''%' + @prefix + '%'''
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EXEC sp_executesql @sql, N'@maxId nvarchar(50) OUTPUT', @maxId OUTPUT
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set @old=@maxId
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IF(@old is null)
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BEGIN
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set @newid=@prefix+'00001'
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END
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ELSE
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BEGIN
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set @newid = (select max(right(@old,5)))+1
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set @newid = @prefix +right('00000'+@newid,5)
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END
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SET @returnVal=@newid
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�
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