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Description
  • Tests node existence having evaluated given XPATH expression.The member function calculates the given XPATH expression xpath_expn using the XML entity of the instance as a context node. If a namespace_map parameter is given then the function adds namespace declarations from this parameter into the beginning of xpath_expn before the evaluation. The function returns 1 if the first result of XPATH evaluation is a node or 0 if there are no results or if the first result is not a node.
Creator
  • virtuoso.docs@openlinksw.com
Date
  • 2013-07-11T21:22:54Z
  • 2015-02-05T21:17:51Z
Title
  • Function: XMLType.existsNode
type
content:encoded
  • Tests node existence having evaluated given XPATH expression.The member function calculates the given XPATH expression xpath_expn using the XML entity of the instance as a context node. If a namespace_map parameter is given then the function adds namespace declarations from this parameter into the beginning of xpath_expn before the evaluation. The function returns 1 if the first result of XPATH evaluation is a node or 0 if there are no results or if the first result is not a node.
rss:category
  • XML
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