mssql中用xml的方法拆分以不定空格爲分割符號的字符串

---xml拆分以不定空格爲分割符號的字符串

 

--測試數據

if object_id('[tb]') is not null drop table [tb]

create table [tb]([a] varchar(200))

go

insert [tb]

select 'aaaa  bbbb cccc        dddd'

insert [tb]

select 'eeeeee  ffff hhhh        yyyy                '

 

 

--開始查詢

select

  rtrim(A.A) as a,B.A2

from (

  select a,convert(xml,'<root><row>'+replace(replace(rtrim(ltrim(a)),' ','</row><row>'),'<row></row>','')+'</row></root>') AS A1

  from [tb]

   ) a  outer apply (select a2=T.C.value('.','nvarchar(100)') from a.a1.nodes('/root/row')T(C)) B

 

 

 

 

 

/*

a                                                                           A2

--------------------------------------------------------------------------  --------------------

aaaa  bbbb cccc        dddd                                                 aaaa

aaaa  bbbb cccc        dddd                                                 bbbb

aaaa  bbbb cccc        dddd                                                 cccc

aaaa  bbbb cccc        dddd                                                 dddd

eeeeee  ffff hhhh        yyyy                                               eeeeee

eeeeee  ffff hhhh        yyyy                                               ffff

eeeeee  ffff hhhh        yyyy                                               hhhh

eeeeee  ffff hhhh        yyyy                                               yyyy

 

(8 行受影響)

*/