SQL 字符串分割表函数

--字符串分割表函数
declare @str varchar(1000)
declare @split varchar(10) 

declare @i int;
declare @count int;

declare @ChildStr varchar(1000);
declare @splitStr varchar(1000);
declare @Index int;

declare @table as table (rowId int,splitStr varchar(1000))
declare @rowID int;

set @str='aaa;bbb;ccc;d;';
set @split=';';
set @i=1;
set @count=LEN(@str);
set @ChildStr=@str;
set @rowID=1;

while @i<=@count
begin
    set @Index= charindex(@split,@ChildStr);
    
    if @Index >0
    begin
        set @splitStr=SUBSTRING(@ChildStr,0,@Index);
        
        insert @table
        select @rowID,@splitStr
        
        set @ChildStr=SUBSTRING(@ChildStr,@Index+1,LEN(@ChildStr));
        
        set @rowID=@rowID+1;
        set @i=@i+1;
    end 
    else if LEN(@ChildStr)>0
    begin
        insert @table
        select @rowID,@ChildStr

        --select * from @table
        return;
    end
    else
    begin
        --select * from @table
        return;
    end
        
end