How to use "if statements" in "let" statements in xquery

Question

I wish to do the following:

let $foo :=
    if (5 = 5)
    then
        return <bye/>
    else
        return <hi/>

But unfortunately the above doesn't work.

How do I do if statments for let statements.

It's the "return" that's the problem. Deleting the "saxon" tag as there is nothing here that's specific to Saxon. — Michael Kay, Dec 02 '15 at 09:06

George Sofianos · Accepted Answer · 2015-12-01T20:01:08.857

7

You want to do something like:

let $foo :=
    if (5 = 5) then
        <bye/>
    else
        <hi/>

then you can return the result with

return
  $foo

I suggest you download basex editor from http://files.basex.org/releases/latest/ in order to test any xquery. It's fast, and can highlight errors for you.

Also take a look at http://xqdoc.org/xquery-style.html for examples on writing clean xquery code.

edited Dec 01 '15 at 20:01

answered Dec 01 '15 at 19:55

George Sofianos

Thanks. Realised the `return` should be in FLOWR statements. Not XML on it's own – Yahya Uddin Dec 02 '15 at 13:26

1 Answers1