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7.14.1.1 xmlcomment

xmlcomment(text)

The function xmlcomment creates an XML value containing an XML comment with the specified text as content. The text cannot contain “--” or end with a “-” so that the resulting construct is a valid XML comment. If the argument is null, the result is null.

Example:

SELECT xmlcomment('hello');

  xmlcomment
--------------
 <!--hello-->