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https://issues.apache.org/jira/browse/DERBY-4903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12935205#action_12935205
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Bryan Pendleton commented on DERBY-4903:
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This seems like a pretty reasonable approach, and the test cases look
appropriate, too.
It seems like it would be nice to perform the special character encoding of the
XML attribute strings *prior* to composing them into quoted substrings in the
XML tag string,
since then replaceInAttribute() wouldn't have to go searching for the start and
end of
the attribute string to find it.
But this diff is small and focused on the problem at hand, and that's always
good.
> Plan exporter tool produces broken output if query contains less-than operator
> ------------------------------------------------------------------------------
>
> Key: DERBY-4903
> URL: https://issues.apache.org/jira/browse/DERBY-4903
> Project: Derby
> Issue Type: Bug
> Components: Tools
> Affects Versions: 10.7.1.0
> Reporter: Knut Anders Hatlen
> Assignee: C.S. Nirmal J. Fernando
> Attachments: derby-4903-a.diff
>
>
> The plan exporter tool fails to produce well-formed output for the following
> query:
> ij> select * from sysibm.sysdummy1 where ibmreqd < 'Z';
> The generation of XML doesn't fail, but when I open the file in Firefox, I
> see this message:
> XML Parsing Error: not well-formed
> Location: file:///tmp/plan.xml
> Line Number 9, Column 11:
> Operator: <
> ----------^
> HTML generation prints the following error, and produces an empty file:
> ERROR: 'The value of attribute "scan_qualifiers" associated with an element
> type "null" must not contain the '<' character.'
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