/* ===================================================== **Type:function **ObjectName:dbo.Daven_Fun_SplitString **Creater:Daven Shan **Createdate: 2016-07-25 **Description:split string to table **eg:select * from dbo.Daven_Fun_SplitString('1,2,3',',',1) ===================================================== */ if object_id('Daven_Fun_SplitString') is not null drop function Daven_Fun_SplitString go create function Daven_Fun_SplitString( @Input nvarchar(max),--input string to be separated @Separator nvarchar(max)=',', --a string that delimit the substrings in the input string @RemoveEmptyEntries bit=1 --the return value does not include array elements that contain an empty string ) returns @tempTable table( val nvarchar(max) ) as begin declare @Index int, @Entry nvarchar(max) set @Index = charindex(@Separator,@Input) while (@Index>0) begin set @Entry=ltrim(rtrim(substring(@Input, 1, @Index-1))) if (@RemoveEmptyEntries=0) or (@RemoveEmptyEntries=1 and @Entry<>'') begin insert into @tempTable(val) Values(@Entry) end set @Input = substring(@Input, @Index+datalength(@Separator)/2, len(@Input)) set @Index = charindex(@Separator, @Input) end set @Entry=ltrim(rtrim(@Input)) if (@RemoveEmptyEntries=0) or (@RemoveEmptyEntries=1 and @Entry<>'') begin insert into @tempTable(val) Values(@Entry) end return end go