Dmitrii created HIVE-20685:
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             Summary: XmlOutputFormat does not escape all required symbols in 
case of attribte/text
                 Key: HIVE-20685
                 URL: https://issues.apache.org/jira/browse/HIVE-20685
             Project: Hive
          Issue Type: Bug
            Reporter: Dmitrii
            Assignee: Dmitrii


Currently it escapes only " and < while & also must be escaped in case of 
attribute/text based on [1].
At the same time both " and ' are not required to be encoded for case of 
element text while for xml attribute one of them should be depending on 
attribute quote type.
Also > must be escaped if there is a sequence ]]> inside text or attribute 
value which is not a part of CDATA

[1] https://www.w3.org/TR/2008/REC-xml-20081126/#syntax



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