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| '''Summary'''
|Evaluates {{Code|$query}} as XQuery expression at runtime and returns the resulting items. In contrast to <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 items will never be copied by this functiondirectly returned and not duplicated. In exchangeThis way, queries will be evaluated faster, no new and database can be opened by this functionnodes will retain their node identity.
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| '''Errors'''