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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] Closed: (DERBY-4087) Clean up debug printing of the abstract syntax trees after parsing, binding and optimization
Date Mon, 31 Aug 2009 22:38:32 GMT

     [ https://issues.apache.org/jira/browse/DERBY-4087?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dag H. Wanvik closed DERBY-4087.
--------------------------------

    Resolution: Fixed

Closing this issue now, since I have put in all the changes I intended. I am sure there are
more formatting improvements that could be made, though. If/when we feel the need, we could
re-open this issue, or a file new one.


> Clean up debug printing of the abstract syntax trees after parsing, binding and optimization

> ---------------------------------------------------------------------------------------------
>
>                 Key: DERBY-4087
>                 URL: https://issues.apache.org/jira/browse/DERBY-4087
>             Project: Derby
>          Issue Type: Improvement
>          Components: Miscellaneous, SQL
>            Reporter: Dag H. Wanvik
>            Assignee: Dag H. Wanvik
>            Priority: Trivial
>             Fix For: 10.6.0.0
>
>         Attachments: derby-4087-a.diff, derby-4087-a.stat, derby-4087-b.diff, derby-4087-b.stat,
derby-4087-statistics.diff, derby-4087-statistics.stat, dumpquery, sample.log
>
>
> Currently, the printing is often inconsistent:
> - some subtrees not printed
> - wrong indentation due to missing newlines, or lacking level increments
> - redundant printing of subtrees (AST is really a DAG, would be nice to print only once
and then refer back to show aliasing)
> - some items printed twice due to inconsistent usage of pattern

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