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[XQuery] XQ-IBM-026 Function conversion rules

From: Don Chamberlin <chamberl@almaden.ibm.com>
Date: Thu, 26 Feb 2004 17:29:06 -0500
To: public-qt-comments@w3.org
Message-ID: <OFA9366CFA.5534FC35-ON88256E46.007ADE30-88256E46.007B8003@us.ibm.com>
In XPath/XQuery Section 3.1.5, Function Calls, under "Function Conversion 
Rules", after atomization, we find the following rule: "Each item in the 
atomic sequence that is of type xdt:untypedAtomic is cast to the expected 
atomic type." This is not completely specified for certain built-in 
functions such as fn:abs() in which the expected parameter type is 
"numeric", which includes integer, decimal, float, and double. To complete 
the specification, we should insert the following sentence after the rule 
cited above: "For parameters of built-in functions where the expected type 
is specified as numeric, arguments of type xdt:untypedAtomic are cast to 

--Don Chamberlin
Received on Thursday, 26 February 2004 17:29:09 UTC

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