current() or . not working on calculation (bind)

I have a bind (xf:decimal type) and a calculate on it, like this:
<xf:bind id=&quot;my-ref-bind&quot; ref=&quot;my-ref&quot;
type=&quot;xf:decimal&quot; ...
calculate=&quot;if(instance('my_instance')/my-date[@q=current()/@q]) then .
else xs:decimal('0')&quot; ... />
and it doesn't return . (or current()) value.

I've put the same calculation on the form field and it is working.
My form field is like this:
<xf:output
value=if(instance('my_instance')/my-date[@q=current()/@q]) then . else
xs:decimal('0')"/>

I've also tried to return a custom value instead of . (current() value) and
it is working:
calculate="if(instance('my_instance')/my-date[@q=current()/@q]) then
xs:decimal('1') else xs:decimal('0')"

Can someone suggest a solution for this? How can I return the current node
value if a condition is met on 'calculate' of a bind?

Thanks!
Roxana


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Hi Roxana,

So the expression in your calculate is:

if (instance('my_instance')/my-date[@q=current()/@q])
  then .
  else xs:decimal('0')

And you're saying that the `.` part isn't working. What do you mean by "not
working"? You're trying to keep the value as-is in some cases, and change it
to "0" in others. What happens is the value isn't kept?

Alex

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Hi Alessandro,

Yes, that's what I'm saying. The '.' part isn't working, because is not
returning the current value.
The '.' is returning 0 instead of the value from the instance.

So yes, I'm trying to keep the value as-is in some cases, and change it to
"0" in others. And the value isn't kept.

Thanks,
Roxana

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Roxana,

And you were saying that if you replace `.` by `xs:decimal('1')`, then the
value becomes `1` (instead of `0`), so it seems the test is working. Could
you try replacing `.` by `text()` and see if it makes a difference?

Alex

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