Updating variables in xquery dating sites really work

Posted by / 09-May-2020 20:54

Updating variables in xquery

We use the terminology of "non-updating" for simple expressions.

Because of their side effects, sequential expressions must be evaluated in evaluation order, as defined in this specification.

This requires a number of extensions to the XQuery 3.0 and XQUF processing model.

[A statement is a grammatical construct which does not return anything (no XDM, no PUL) but can have side-effects.

This extension is on in Zorba by default but can be turned off.

This specification defines an extension to XQuery 3.0 and XQuery Update Facility 1.0.

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The XQUF specifications take care of forbidding such ambiguous updates.