[teiid-issues] [JBoss JIRA] (TEIID-2390) Improve xml/json production

[Steven Hawkins (JIRA)]

Steven Hawkins created TEIID-2390:
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             Summary: Improve xml/json production
                 Key: TEIID-2390
                 URL: https://issues.jboss.org/browse/TEIID-2390
             Project: Teiid
          Issue Type: Enhancement
          Components: Query Engine
            Reporter: Steven Hawkins
            Assignee: Steven Hawkins


The current xml/json logic can produce a lot of intermediate results that are recopied and can result in a slower performance for larger documents.  

The logic could allow for nested evaluations to delay creating their full string forms or simply allow the return values to remain appendable rather than requiring full copies.

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