Programmatically constructing sequences ("a", "b", "c") for XQuery

[Michael Ludwig]

Andrew Welch schrieb:
> 2009/8/10 Michael Ludwig <http://x-query.com/mailman/listinfo/talk>:

>> Let's say I have a prepared query like this:
>>
>>  collection('import')[//File = $files]
>>
>> Now I would like to be $files a sequence of strings:
>>
>>  ('eins','zwei','drei')
>>
>> Does anyone know of a way to achieve this? It might be at the XQuery
>> level or at the Java (or whatever) level.
>>
>> In Java, would you use java.lang.StringBuilder? And then append
>> quotes and commas? Or is there a better, safer way?

> Pass in a delimited string and tokenize it?

Well, I might be misunderstanding, but I do have the tokens; I want to
join them. It seems wrong to do this manually, as I don't construct my
SQL queries like that, but rather rely on methods like prepare() and
bind_param() in Perl's DBI, which handle escaping and prevent injection.

-- 
Michael Ludwig