Update to XML Column


hi - newbie @ xml coluns in sql 2008 ...

i have xml column user that looks this:

<isirdatavalues xmlns="http://schemas.datacontract.org/2004/07/etc" xmlns:i="http://www.w3.org/2001/xmlschema-instance">
  <valuelist>
    <isirvaluetype>
      <isircode>aai</isircode>
      <isirvalue />
    </isirvaluetype>
    <isirvaluetype>
      <isircode>activedutymilitary</isircode>
      <isirvalue />
    </isirvaluetype>
    <isirvaluetype>
      <isircode>transactionreceiptdate</isircode>
      <isirvalue>20120215</isirvalue>
    </isirvaluetype>
  </valuelist>
</isirdatavalues>

i want write sql statement update 1 of values ... ie: isirvalue isircode of transactionreceiptdate ...

i have seen samples on web can't them work using [columnname].modify(replace value of ...)

could please write quick update statement case me can see i'm doing wrong??

thanks!!!!

try this:

set nocount on  declare @yourtable table ( rowid int primary key, yourxml xml )  insert @yourtable ( rowid, yourxml ) select 1, '<isirdatavalues xmlns="http://schemas.datacontract.org/2004/07/etc" xmlns:i="http://www.w3.org/2001/xmlschema-instance">    <valuelist>      <isirvaluetype>        <isircode>aai</isircode>        <isirvalue />      </isirvaluetype>      <isirvaluetype>        <isircode>activedutymilitary</isircode>        <isirvalue />      </isirvaluetype>      <isirvaluetype>        <isircode>transactionreceiptdate</isircode>        <isirvalue>20120215</isirvalue>      </isirvaluetype>    </valuelist>  </isirdatavalues>'     declare @newvalue varchar(20)  set @newvalue = '20120401'  ;with xmlnamespaces( default 'http://schemas.datacontract.org/2004/07/etc' ) select 'before' s, yourxml.query('isirdatavalues/valuelist/isirvaluetype[isircode[.="transactionreceiptdate"]]/isirvalue') @yourtable  ;with xmlnamespaces( default 'http://schemas.datacontract.org/2004/07/etc' ) update @yourtable set yourxml.modify('replace value of (isirdatavalues/valuelist/isirvaluetype[isircode[.="transactionreceiptdate"]]/isirvalue/text())[1] sql:variable("@newvalue")') rowid = 1  ;with xmlnamespaces( default 'http://schemas.datacontract.org/2004/07/etc' ) select 'after ' s, yourxml.query('isirdatavalues/valuelist/isirvaluetype[isircode[.="transactionreceiptdate"]]/isirvalue') @yourtable



SQL Server  >  SQL Server XML



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