[xquery-talk] Add value to result before a for loop
David Carlisle
davidc at nag.co.uk
Wed Jul 18 06:52:17 PDT 2012
On 18/07/2012 14:04, David Carlisle wrote:
>
>
> for is just an expression
true
so you could for example use
false sorry, you can't use concat here, the verions below using
string-join are OK though.
> concat($hdr,for $i in ......)
>
> of course in this simple example you don't need the variable at all as
> $hdr is already just a call to concat you could return the single
> expression
>
> concat('Id', codepoints-to-string(9), 'Name',
> codepoints-to-string(10),
> for $i in$doc/item return
> concat($i/id, codepoints-to-string(9), $i/name, codepoints-to-string(10)
> )
>
> or more simply
>
> string-join(
> ('Id Name',$doc/item/concat(id,' ',name)),'
')
>
> the let and for clauses aren't really needed,
>
> David
>
>
>
>
--
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