| '''Summary'''
|Evaluates {{Code|$query}} as XQuery expression at runtime and returns the resulting items.<br/>The function differs from [[#xquery:eval|xquery:eval]] in two ways:
* It is not possible to open new databases, collections, or documents.* In exchange, all All items will be directly returned and not duplicated. This way, queries will be evaluated faster, and database nodes will retain their node identity.* In exchange, it is not possible to open new databases.
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| '''Errors'''