[jira] [Created] (DERBY-6634) Improve test coverage of SqlXmlUtil.java

["Knut Anders Hatlen (JIRA)" <ji...@apache.org>]

Knut Anders Hatlen created DERBY-6634:
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             Summary: Improve test coverage of SqlXmlUtil.java
                 Key: DERBY-6634
                 URL: https://issues.apache.org/jira/browse/DERBY-6634
             Project: Derby
          Issue Type: Improvement
          Components: Test
    Affects Versions: 10.11.0.0
            Reporter: Knut Anders Hatlen
            Assignee: Knut Anders Hatlen
            Priority: Minor


The test coverage report for SqlXmlUtil indicates that we don't have tests for:

- recompilation of XML queries used in triggers (the code looks dead, and can probably be removed)

- serialization of sequences of atomic values returned by an XPath query (as far as I can see, we only support single atomic values and sequences of documents, so probably that's also code that can be removed, possibly replaced by an assert)

- XMLEXISTS operations where the XPath query returns a scalar (after DERBY-6624, it will take the same code path as a query that returns a non-empty sequence, so it won't show up in the report anymore, but it's still useful to have a test case for it)

- XMLQUERY operations where the XPath query returns a boolean (after DERBY-6624, the same code path will be taken for all data types, so it won't show up in the report anymore, but it's still useful to have a test case for it)



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