XQuery delete

• kiril.lazarov.77

  Hall of Fame

  Points: 3742

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  November 20, 2014 at 2:05 pm

  #313276

  Hi all, I'd like to delete A3 from the XML variable below, however I get "XQuery [modify()]: The XQuery syntax '/function()' is not supported."

  Any help is appreciated. Thanks.

  DECLARE @XML XML = '<Attribute>

  <A1>6529</A1>

  <A2>6529</A2>

  <A3>6529</A3>

  </Attribute>'

  DECLARE @n VARCHAR(100) = 'A3'

  SET @XML.modify('delete (/Attribute/sql:variable("@n")[1]) ')

  SELECT @XML

• mister.magoo

  SSC-Forever

  Points: 47068

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  November 20, 2014 at 5:39 pm

  #1759986

  You need to reference the local-name() of the element to use a variable in that way.

  DECLARE @XML XML = '<Attribute>

  <A1>6529</A1>

  <A2>6529</A2>

  <A3>6529</A3>

  </Attribute>';

  DECLARE @n VARCHAR(100) = 'A3';

  SET @XML.modify('delete (/Attribute/*[local-name()=sql:variable("@n")]) ');

  SELECT @XML;

  MM
  

  ---

  
  select geometry::STGeomFromWKB(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