declare @str varchar(200)
set @str='' -- 必须先赋值
select @str= @str+ cast(bb as varchar(30)) from #tb
print @str
declare @str varchar(200)
set @str='' -- 必须先赋值
select @str= @str+ cast(bb as varchar(30)) from #tb
print @str
https://github.com/zhangbo2008/Trie_with_informationExtraction_and_fuzzy_matchingv2